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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2012)

ISBN 10: 1481129481 ISBN 13: 9781481129480

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About this Item: Createspace Independent Publishing Platform, 2012. PAP. Condition: New. New Book. Shipped from US within 10 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781481129480

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2011)

ISBN 10: 146813082X ISBN 13: 9781468130829

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About this Item: Createspace Independent Publishing Platform, 2011. PAP. Condition: New. New Book. Shipped from US within 10 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781468130829

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Petrescu, Dr Florian Ion

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ISBN 10: 1467987646 ISBN 13: 9781467987646

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About this Item: Createspace Independent Publishing Platform, 2011. PAP. Condition: New. New Book. Shipped from US within 10 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781467987646

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2013)

ISBN 10: 1494241528 ISBN 13: 9781494241520

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About this Item: Createspace Independent Publishing Platform, 2013. PAP. Condition: New. New Book. Shipped from US within 10 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781494241520

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2012)

ISBN 10: 1481083163 ISBN 13: 9781481083164

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About this Item: Createspace Independent Publishing Platform, 2012. PAP. Condition: New. New Book. Shipped from US within 10 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781481083164

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Dr Florian Ion Petrescu

Published by Createspace Independent Publishing Platform, United States (2011)

ISBN 10: 1467937533 ISBN 13: 9781467937535

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About this Item: Createspace Independent Publishing Platform, United States, 2011. Paperback. Condition: New. Language: English. Brand new Book. This book, try a vision about the tomorrow Earth's energies. Besides the traditional energies, are presented and possible new energies source. The author presents shortly, the annihilation process, which can donate energies obtained by the annihilation process between a particle and its antiparticle. Practically it proposes obtaining energy by the process of annihilation of matter with the antimatter. Another proposed method is the acquiring energy from the source and retransmitting it on the Earth in concentrated form. Energy development is the effort to provide sufficient primary energy sources and secondary energy forms for supply, cost, impact on air pollution and water pollution, mitigation of climate change with renewable energy. Technologically advanced societies have become increasingly dependent on external energy sources for transportation, the production of many manufactured goods, and the delivery of energy services. This energy allows people who can afford the cost to live under otherwise unfavorable climatic conditions through the use of heating, ventilation, and/or air conditioning. Level of use of external energy sources differs across societies, as do the climate, convenience, levels of traffic congestion, pollution and availability of domestic energy sources. All terrestrial energy sources except nuclear, geothermal and tidal are from current solar insolation or from fossil remains of plant and animal life that relied directly and indirectly upon sunlight, respectively. Ultimately, solar energy itself is the result of the Sun's nuclear fusion. Geothermal power from hot, hardened rock above the magma of the Earth's core is the result of the decay of radioactive materials present beneath the Earth's crust, and nuclear fission relies on man-made fission of heavy radioactive elements in the Earth's crust; in both cases these elements were produced in supernova explosions before the formation of the solar system. Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable (naturally replenished). Seller Inventory # APC9781467937535

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Petrescu, Dr. Florian Ion

Published by CreateSpace Independent Publishing Platform 2011-11-12 (2011)

ISBN 10: 1467937533 ISBN 13: 9781467937535

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About this Item: CreateSpace Independent Publishing Platform 2011-11-12, 2011. Paperback. Condition: As New. Books is in new condition. Seller Inventory # DS-1467937533-11

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2011)

ISBN 10: 1467937533 ISBN 13: 9781467937535

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About this Item: Createspace Independent Publishing Platform, 2011. PAP. Condition: New. New Book. Shipped from US within 10 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781467937535

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Dr Florian Ion Petrescu

Published by Createspace Independent Publishing Platform, United States (2011)

ISBN 10: 1467937533 ISBN 13: 9781467937535

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About this Item: Createspace Independent Publishing Platform, United States, 2011. Paperback. Condition: New. Language: English. Brand new Book. This book, try a vision about the tomorrow Earth's energies. Besides the traditional energies, are presented and possible new energies source. The author presents shortly, the annihilation process, which can donate energies obtained by the annihilation process between a particle and its antiparticle. Practically it proposes obtaining energy by the process of annihilation of matter with the antimatter. Another proposed method is the acquiring energy from the source and retransmitting it on the Earth in concentrated form. Energy development is the effort to provide sufficient primary energy sources and secondary energy forms for supply, cost, impact on air pollution and water pollution, mitigation of climate change with renewable energy. Technologically advanced societies have become increasingly dependent on external energy sources for transportation, the production of many manufactured goods, and the delivery of energy services. This energy allows people who can afford the cost to live under otherwise unfavorable climatic conditions through the use of heating, ventilation, and/or air conditioning. Level of use of external energy sources differs across societies, as do the climate, convenience, levels of traffic congestion, pollution and availability of domestic energy sources. All terrestrial energy sources except nuclear, geothermal and tidal are from current solar insolation or from fossil remains of plant and animal life that relied directly and indirectly upon sunlight, respectively. Ultimately, solar energy itself is the result of the Sun's nuclear fusion. Geothermal power from hot, hardened rock above the magma of the Earth's core is the result of the decay of radioactive materials present beneath the Earth's crust, and nuclear fission relies on man-made fission of heavy radioactive elements in the Earth's crust; in both cases these elements were produced in supernova explosions before the formation of the solar system. Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable (naturally replenished). Seller Inventory # APC9781467937535

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2011)

ISBN 10: 1467913774 ISBN 13: 9781467913775

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About this Item: Createspace Independent Publishing Platform, 2011. PAP. Condition: New. New Book. Shipped from US within 10 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781467913775

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2012)

ISBN 10: 1481129341 ISBN 13: 9781481129343

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About this Item: Createspace Independent Publishing Platform, 2012. PAP. Condition: New. New Book. Shipped from US within 10 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781481129343

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Dr. Florian Ion Petrescu

Published by Createspace

ISBN 10: 146813082X ISBN 13: 9781468130829

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About this Item: Createspace. Paperback. Condition: New. This item is printed on demand. 80 pages. Dimensions: 7.8in. x 5.1in. x 0.2in.Energia regenerabila este energia care provine din resursele naturale cum ar fi lumina soarelui, vantul, ploaia, mareele, si caldura geotermala, toate acestea fiind regenerate automat (pe cale naturala). In 2008, circa 19 din consumul total de energie al planetei a provenit din energiile regenerabile, grosul de 13 fiind obtinut din biomasa traditionala, care a fost utilizata in principal pentru incalzire, iar 3. 2 a provenit din hidroelectricitate. Restul de 2, 7 a fost obtinut prin metode moderne ca (micro hidrocentrale, biomasa moderna, vant, soare, geotermal, biocombustibili, etc), dar toate aceste energii regenerabile moderne sunt intr-o permanenta si rapida crestere. In cadrul energiei globale, cea electrica reprezinta circa 18, fiind obtinuta in principal prin hidrocentrale (15), iar restul de 3 prin noile energii regenerabile. Aceasta carte doreste sa propuna noi metode de obtinere a energiilor regenerabile. Dupa 1950 au inceput sa apara uzine nucleare pe fisiune. Energia de fisiune nucleara a reprezentat un rau necesar. Ea a reusit sa lungeasca viata petrolului si sa previna o criza energetica globala foarte grava. Chiar si asa, energia obtinuta din hidrocarburi (petrol, carbune, gaze, biomasa) reprezinta aproximativ 66 din totalul de energie produsa si utilizata astazi la nivel mondial. Daca mentinem acest nivel de productie si consum petrolul se va epuiza in circa 40 ani. Pe de alta parte, astazi, productia de energie nucleara (superioara), bazata pe fuziune nucleara, nu este inca perfect pusa la punct (desi studiile se afla intr-un stadiu foarte avansat). Insa timpul trece repede. Trebuie sa ne grabim sa implementam si sa dezvoltam noile energii regenerabile deja cunoscute, dar si noi posibile energii regenerabile. In aceste conditii, prezenta lucrare vine sa propuna noi posibile surse de energii regenerabile. This item ships from La Vergne,TN. Paperback. Seller Inventory # 9781468130829

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Dr. Florian Ion Petrescu

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ISBN 10: 1481129481 ISBN 13: 9781481129480

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About this Item: Createspace. Paperback. Condition: New. This item is printed on demand. 40 pages. Dimensions: 8.5in. x 5.5in. x 0.1in.Motoarele termice cu ardere interna in linie (fie ca lucreaza in patru timpi, ori in doi timpi, motoare de tip Otto, Diesel, sau Lenoir) sunt in general cele mai utilizate. Problema echilibrarii lor este una extrem de importanta pentru buna lor functionare. Exista doua tipuri de echilibrari posibile: statice si dinamice. Echilibrarea statica (totala) face ca suma fortelor inertiale dintr-un mecanism sa fie zero. Exista insa si echilibrari statice partiale. Echilibrarea dinamica inseamna anularea tuturor momentelor (sarcinilor) inertiale din mecanism. This item ships from La Vergne,TN. Paperback. Seller Inventory # 9781481129480

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Dr. Florian Ion Petrescu

Published by CreateSpace Independent Publishing Platform

ISBN 10: 1481083163 ISBN 13: 9781481083164

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About this Item: CreateSpace Independent Publishing Platform. Paperback. Condition: New. This item is printed on demand. 88 pages. Dimensions: 11.0in. x 8.5in. x 0.2in.In the first chapter the authors present an original method to calculate the efficiency of the cams mechanisms. The second chapter presents an original method in determining a general, dynamic and differential equation for the motion of machines and mechanisms, particularized for the mechanisms with rotation cams and followers. The third chapter presents an original method to determine the general dynamics of mechanisms with rotation cams and followers, particularized to the plate translated follower. First, it presents the dynamics kinematics. Then it solves the Lagrange equation and using an original dynamic model with one degree of freedom, with variable internal amortization, it makes the dynamic analysis. The fourth chapter briefly presents an original method for determining the dynamics of mechanisms with rotation cam and translated follower with roll. First, one presents the dynamics kinematics. Then one performs the dynamic analysis of a few models, for some movement laws, imposed on the follower, by the designed cam profile. The fifth chapter presents an original methods to determine the dynamic parameters at the classic distribution, and a new method is presented in the sixth chapter. The seventh chapter presents an original methods to determine the dynamic parameters at the camshaft with rotary cam and translated follower with roll. This item ships from La Vergne,TN. Paperback. Seller Inventory # 9781481083164

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Dr. Florian Ion Petrescu

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ISBN 10: 1494241528 ISBN 13: 9781494241520

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About this Item: CreateSpace Independent Publishing Platform. Paperback. Condition: New. This item is printed on demand. 116 pages. Dimensions: 9.2in. x 6.1in. x 0.3in.LAWS OF ROBOTICS: 1. The robot must not harm humans or through inaction allow anything to happen to a human being. 2. The robot must obey human commands, but only when they do not contradict the Law 1. 3. The robot must protect its existence, but only when self-care law does not contradict the law of 1 or 2. Moving mechanical structures are used increasingly in almost all vital sectors of humanity. The robots are able to process integrated circuits sizes micro and nano, on which the man they can be seen even with electron microscopy. Dyeing parts in toxic environments, working in chemical and radioactive environments, or at depths and pressures at the bottom of huge oceans, or even cosmic space conquest and visiting exo-planets, are now possible, and were turned into from the dream in reality, because mechanical platforms sequential gearbox. Robots were developed and diversified, different aspects, but to-day, they start to be directed on two major categories: systems serial and parallel systems. Parallel systems are more solid, but more difficult to designed and handled, which serial systems were those which have developed the most. In medical operations or radioactive environments are preferred mobile systems parallel to their high accuracy positioning. This item ships from La Vergne,TN. Paperback. Seller Inventory # 9781494241520

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Dr. Florian Ion Petrescu

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ISBN 10: 1467937533 ISBN 13: 9781467937535

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About this Item: Createspace. Paperback. Condition: New. This item is printed on demand. 132 pages. Dimensions: 8.5in. x 5.5in. x 0.3in.This book, try a vision about the tomorrow Earths energies. Besides the traditional energies, are presented and possible new energies source. The author presents shortly, the annihilation process, which can donate energies obtained by the annihilation process between a particle and its antiparticle. Practically it proposes obtaining energy by the process of annihilation of matter with the antimatter. Another proposed method is the acquiring energy from the source and retransmitting it on the Earth in concentrated form. Energy development is the effort to provide sufficient primary energy sources and secondary energy forms for supply, cost, impact on air pollution and water pollution, mitigation of climate change with renewable energy. Technologically advanced societies have become increasingly dependent on external energy sources for transportation, the production of many manufactured goods, and the delivery of energy services. This energy allows people who can afford the cost to live under otherwise unfavorable climatic conditions through the use of heating, ventilation, andor air conditioning. Level of use of external energy sources differs across societies, as do the climate, convenience, levels of traffic congestion, pollution and availability of domestic energy sources. All terrestrial energy sources except nuclear, geothermal and tidal are from current solar insolation or from fossil remains of plant and animal life that relied directly and indirectly upon sunlight, respectively. Ultimately, solar energy itself is the result of the Suns nuclear fusion. Geothermal power from hot, hardened rock above the magma of the Earths core is the result of the decay of radioactive materials present beneath the Earths crust, and nuclear fission relies on man-made fission of heavy radioactive elements in the Earths crust; in both cases these elements were produced in supernova explosions before the formation of the solar system. Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable (naturally replenished). This item ships from La Vergne,TN. Paperback. Seller Inventory # 9781467937535

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Dr Florian Ion Petrescu

Published by Createspace Independent Publishing Platform, United States (2012)

ISBN 10: 1470034042 ISBN 13: 9781470034047

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About this Item: Createspace Independent Publishing Platform, United States, 2012. Paperback. Condition: New. Language: English. Brand new Book. By this book the author propose a new pulse engine which works with beam or ionic (ionic beam) pulses. With a new ionic engine one builds a new aircraft (a new ship). The principal characteristic of this kind of engine is the high power (energy) which accelerates the beam at very high energy, in circular accelerators, in modern linear accelerators (LINAC), or in both. One can use accelerators similar with the static physics accelerators (synchrotron, synchrocyclotron or isochronous cyclotron). Ionic engine (ion thruster, which accelerates the positive ions through a potential difference) is about 10 times more effective than classic system based on combustion. We can still improve the efficiency of 10-50 times if one uses positive ions accelerated in a cyclotron mounted on the ship; the efficiency can easily grow for 1000 times if the positive ions will be accelerated in a high energy synchrotron, synchrocyclotron or isochronous cyclotron (1-100 GeV). Future (ionic) engine will have mandatory a circular particle accelerator (high or very high energy). Sure that the difficulties will arise from design, but they need to be resolved step by step. We can thus increase the speed and autonomy of the ship using a less quantity of fuel. It can use synchrotron radiation (synchrotron light, high intensity beams), like high intensity (X-ray or Gamma ray) radiation, as well. In this case will be a beam engine (not an ionic engine). A linear particle accelerator (also called a LINAC) is an electrical device for the acceleration of subatomic particles. This sort of particle accelerator has many applications. It used recently as to an injector into a higher energy synchrotron at a dedicated experimental particle physics laboratory. In this, the big classic synchrotron is reduced to a ring surface (magnetic core). The design of a LINAC depends on the type of particle that is being accelerated: electron, proton or ion. It proposes using a powerful LINAC at the exit of synchrotron (especially when one accelerates electrons) to not lose energy by photons premature emission. One can use a LINAC in the entry in the Synchrotron and one at out. To use a small entrance LINAC, between him and synchrotron, one put an additional speed circuit in a stadium form. The end LINAC can be reduced if one put more end LINACs. Speaking about a new ionic engine means to speak about a new aircraft. This book (shortly) presents the actual ionic engines (called ion thrusters) and the new ionic (pulse) engines proposed by the authors. This new aircraft will can accelerate directly, without an additional combustion engine and without gravity assists from other planets. The compact engine, tightly closed, does not need air (oxygen). The ship passes through clouds of dust without any problems. The passage from the air into the water and vice versa can be peaceful or even accelerated, without any problems. Increasing more the energy (and also the impulse) can reach the necessary forces and acceleration (the growth will need to be very high, 100 PeV-1000 PeV). Particles energy increased can be made with accelerators circular and or modern linear. Particles energy increased will be huge and in addition will need to grow and the flow of accelerated particles (and the tor diameter; if one increases enough the flow, the necessary energy increased, will be less, 10 GeV-10 TeV). We can increase the number of particles per pulse, the number of pulses per second, and the particle energy. Immediate consequence of increasing particle energy will be the increasing of speeds and autonomy of the ship. Now we can achieve huge speeds in a very short time. The ship will pass through any atmosphere (including water) with great ease. The ship can take off or land directly. Initially one can use to ships the old forms (the old design) which adapts and the accelerator(s). Seller Inventory # APC9781470034047

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2012)

ISBN 10: 1470034042 ISBN 13: 9781470034047

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About this Item: Createspace Independent Publishing Platform, 2012. PAP. Condition: New. New Book. Shipped from US within 10 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781470034047

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Dr Florian Ion Petrescu

Published by Createspace Independent Publishing Platform, United States (2012)

ISBN 10: 1470034042 ISBN 13: 9781470034047

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About this Item: Createspace Independent Publishing Platform, United States, 2012. Paperback. Condition: New. Language: English. Brand new Book. By this book the author propose a new pulse engine which works with beam or ionic (ionic beam) pulses. With a new ionic engine one builds a new aircraft (a new ship). The principal characteristic of this kind of engine is the high power (energy) which accelerates the beam at very high energy, in circular accelerators, in modern linear accelerators (LINAC), or in both. One can use accelerators similar with the static physics accelerators (synchrotron, synchrocyclotron or isochronous cyclotron). Ionic engine (ion thruster, which accelerates the positive ions through a potential difference) is about 10 times more effective than classic system based on combustion. We can still improve the efficiency of 10-50 times if one uses positive ions accelerated in a cyclotron mounted on the ship; the efficiency can easily grow for 1000 times if the positive ions will be accelerated in a high energy synchrotron, synchrocyclotron or isochronous cyclotron (1-100 GeV). Future (ionic) engine will have mandatory a circular particle accelerator (high or very high energy). Sure that the difficulties will arise from design, but they need to be resolved step by step. We can thus increase the speed and autonomy of the ship using a less quantity of fuel. It can use synchrotron radiation (synchrotron light, high intensity beams), like high intensity (X-ray or Gamma ray) radiation, as well. In this case will be a beam engine (not an ionic engine). A linear particle accelerator (also called a LINAC) is an electrical device for the acceleration of subatomic particles. This sort of particle accelerator has many applications. It used recently as to an injector into a higher energy synchrotron at a dedicated experimental particle physics laboratory. In this, the big classic synchrotron is reduced to a ring surface (magnetic core). The design of a LINAC depends on the type of particle that is being accelerated: electron, proton or ion. It proposes using a powerful LINAC at the exit of synchrotron (especially when one accelerates electrons) to not lose energy by photons premature emission. One can use a LINAC in the entry in the Synchrotron and one at out. To use a small entrance LINAC, between him and synchrotron, one put an additional speed circuit in a stadium form. The end LINAC can be reduced if one put more end LINACs. Speaking about a new ionic engine means to speak about a new aircraft. This book (shortly) presents the actual ionic engines (called ion thrusters) and the new ionic (pulse) engines proposed by the authors. This new aircraft will can accelerate directly, without an additional combustion engine and without gravity assists from other planets. The compact engine, tightly closed, does not need air (oxygen). The ship passes through clouds of dust without any problems. The passage from the air into the water and vice versa can be peaceful or even accelerated, without any problems. Increasing more the energy (and also the impulse) can reach the necessary forces and acceleration (the growth will need to be very high, 100 PeV-1000 PeV). Particles energy increased can be made with accelerators circular and or modern linear. Particles energy increased will be huge and in addition will need to grow and the flow of accelerated particles (and the tor diameter; if one increases enough the flow, the necessary energy increased, will be less, 10 GeV-10 TeV). We can increase the number of particles per pulse, the number of pulses per second, and the particle energy. Immediate consequence of increasing particle energy will be the increasing of speeds and autonomy of the ship. Now we can achieve huge speeds in a very short time. The ship will pass through any atmosphere (including water) with great ease. The ship can take off or land directly. Initially one can use to ships the old forms (the old design) which adapts and the accelerator(s). Seller Inventory # APC9781470034047

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2011)

ISBN 10: 1467987646 ISBN 13: 9781467987646

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About this Item: Createspace Independent Publishing Platform, 2011. PAP. Condition: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781467987646

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2012)

ISBN 10: 1481129481 ISBN 13: 9781481129480

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About this Item: Createspace Independent Publishing Platform, 2012. PAP. Condition: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781481129480

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2011)

ISBN 10: 146813082X ISBN 13: 9781468130829

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About this Item: Createspace Independent Publishing Platform, 2011. PAP. Condition: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781468130829

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2012)

ISBN 10: 1481083163 ISBN 13: 9781481083164

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About this Item: Createspace Independent Publishing Platform, 2012. PAP. Condition: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781481083164

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2013)

ISBN 10: 1494241528 ISBN 13: 9781494241520

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About this Item: Createspace Independent Publishing Platform, 2013. PAP. Condition: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781494241520

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Dr. Florian Ion Petrescu

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ISBN 10: 1481129341 ISBN 13: 9781481129343

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About this Item: Createspace. Paperback. Condition: New. This item is printed on demand. 40 pages. Dimensions: 8.5in. x 5.5in. x 0.1in.Motoarele termice cu ardere interna in linie (fie ca lucreaza in patru timpi, ori in doi timpi, motoare de tip Otto, Diesel, sau Lenoir) sunt in general cele mai utilizate. Problema echilibrarii lor este una extrem de importanta pentru buna lor functionare. Exista doua tipuri de echilibrari posibile: statice si dinamice. Echilibrarea statica (totala) face ca suma fortelor inertiale dintr-un mecanism sa fie zero. Exista insa si echilibrari statice partiale. Echilibrarea dinamica inseamna anularea tuturor momentelor (sarcinilor) inertiale din mecanism. Partile din relatiile fortelor care sunt egale in modul dar au semne contrare se anuleaza reciproc producand o echilibrare statica (partiala) a motorului. Celelalte doua parti din expresiile fortelor care au acelasi semn, desi sunt egale nu se anuleaza reciproc ci dimpotriva se aduna, producand o dezechilibrare statica (partiala) a motorului. Motoarele in V sunt dificil de echilibrat, deoarece au doi cilindri cu doua pistoane pe acelasi fus maneton. Fiecare din ele trage pe directia lui si produce forte si momente de inertie pe directii total diferite situate in plane diferite, foarte greu de echilibrat chiar si partial, atat static cat si dinamic. This item ships from La Vergne,TN. Paperback. Seller Inventory # 9781481129343

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Dr. Florian Ion Petrescu

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ISBN 10: 1481826883 ISBN 13: 9781481826884

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About this Item: CreateSpace Independent Publishing Platform. Paperback. Condition: New. This item is printed on demand. 112 pages. Dimensions: 11.0in. x 8.5in. x 0.3in.Lockheed Martin (NYSE: LMT) is an American global aerospace, defense, security, and advanced technology company with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta in March 1995. It is headquartered in Bethesda, Maryland, in the Washington Metropolitan Area. Lockheed Martin employs 123, 000 people worldwide. Robert J. Stevens is the current Chairman and Chief Executive Officer. Lockheed Martin is one of the worlds largest defense contractors; In 2009, 74 of Lockheed Martins revenues came from military sales. It received 7. 1 of the funds paid out by the Pentagon. Lockheed Martin operates in four business segments. These comprise, with respective percentages of 2009 total net sales of 45. 2 billion, Aeronautics (27), Electronic Systems (27), Information Systems and Global Solutions (27), and Space Systems (19). In 2009 US Government contracts accounted for 38. 4 billion (85), foreign government contracts 5. 8 billion (13), and commercial and other contracts for 900 million (2). In both 2009 and 2008 the company topped the list of US Federal Contractors. The company has received the Collier Trophy six times. Most recently (in 2001) for being part of developing the X-35F-35B LiftFan Propulsion System, and again in 2006 for leading the team that developed the F-22 Raptor fighter jet. Lockheed Martin is currently developing the F-35 Lightning II. Merger talks between Lockheed Corporation and Martin Marietta began in March 1994, with the companies announcing their 10 billion planned merger on August 30, 1994. The deal was finalized on March 15, 1995 when the two companies shareholders approved the merger. The segments of the two companies not retained by the new company formed the basis for the present L-3 Communications, a mid-size defense contractor in its own right. Lockheed Martin later spun off the materials company Martin Marietta Materials. Both companies contributed important products to the new portfolio. Lockheed products included the Trident missile, P-3 Orion, F-16 Fighting Falcon, F-22 Raptor, C-130 Hercules, A-4AR Fightinghawk and the DSCS-3 satellite. Martin Marietta products included Titan rockets, Sandia National Laboratories (management contract acquired in 1993), Space Shuttle External Tank, Viking 1 and Viking 2 landers, the Transfer Orbit Stage (under subcontract to Orbital Sciences Corporation) and various satellite models. On April 22, 1996, Lockheed Martin completed the acquisition of Loral Corporations defense electronics and system integration businesses for 9. 1 billion, the deal having been announced in January. The remainder of Loral became Loral Space and Communications. Lockheed Martin abandoned plans for a 8. 3 billion merger with Northrop Grumman on July 16, 1998, due to government concerns over the potential strength of the new group; LockheedNorthrop would have had control of 25 of the Department of Defenses procurement budget. Lockheed Martin provided NASA with measurements in US Customary force units when metric was expected, resulting in the loss of the Mars Climate Orbiter at a cost of 125 million. The cost for spacecraft development was 193. 1 million. In May 2001, Lockheed Martin sold Lockheed Martin Control Systems to BAE Systems. On November 27, 2000, Lockheed completed the sale of its Aerospace Electronic Systems business to BAE Systems for 1. 67 billion, a deal announced in July 2000. This group encompassed Sanders Associates, Fairchild Systems, and Lockheed Martin Space Electronics and Communications. In 2001, Lockheed Martin won the contract to build the F-35 Lightning II; this was the largest fighter aircraft procurement project since the F-16, with an initial order of 3, 000 worth some 200 billion before export orders. In 2001, Lockheed Martin settled a nine year investigation conducted by NASAs Office of Inspector Gener This item ships from La Vergne,TN. Paperback. Seller Inventory # 9781481826884

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2011)

ISBN 10: 1467937533 ISBN 13: 9781467937535

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About this Item: Createspace Independent Publishing Platform, 2011. PAP. Condition: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781467937535

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Petrescu, Dr Florian Ion

Published by Createspace Independent Publishing Platform (2011)

ISBN 10: 1467948802 ISBN 13: 9781467948807

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About this Item: Createspace Independent Publishing Platform, 2011. PAP. Condition: New. New Book. Shipped from US within 10 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000. Seller Inventory # IQ-9781467948807

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Dr. Florian Ion Petrescu

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ISBN 10: 1470034042 ISBN 13: 9781470034047

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About this Item: CreateSpace Independent Publishing Platform. Paperback. Condition: New. This item is printed on demand. 292 pages. Dimensions: 9.1in. x 6.1in. x 0.8in.By this book the author propose a new pulse engine which works with beam or ionic (ionic beam) pulses. With a new ionic engine one builds a new aircraft (a new ship). The principal characteristic of this kind of engine is the high power (energy) which accelerates the beam at very high energy, in circular accelerators, in modern linear accelerators (LINAC), or in both. One can use accelerators similar with the static physics accelerators (synchrotron, synchrocyclotron or isochronous cyclotron). Ionic engine (ion thruster, which accelerates the positive ions through a potential difference) is about 10 times more effective than classic system based on combustion. We can still improve the efficiency of 10-50 times if one uses positive ions accelerated in a cyclotron mounted on the ship; the efficiency can easily grow for 1000 times if the positive ions will be accelerated in a high energy synchrotron, synchrocyclotron or isochronous cyclotron (1-100 GeV). Future (ionic) engine will have mandatory a circular particle accelerator (high or very high energy). Sure that the difficulties will arise from design, but they need to be resolved step by step. We can thus increase the speed and autonomy of the ship using a less quantity of fuel. It can use synchrotron radiation (synchrotron light, high intensity beams), like high intensity (X-ray or Gamma ray) radiation, as well. In this case will be a beam engine (not an ionic engine). A linear particle accelerator (also called a LINAC) is an electrical device for the acceleration of subatomic particles. This sort of particle accelerator has many applications. It used recently as to an injector into a higher energy synchrotron at a dedicated experimental particle physics laboratory. In this, the big classic synchrotron is reduced to a ring surface (magnetic core). The design of a LINAC depends on the type of particle that is being accelerated: electron, proton or ion. It proposes using a powerful LINAC at the exit of synchrotron (especially when one accelerates electrons) to not lose energy by photons premature emission. One can use a LINAC in the entry in the Synchrotron and one at out. To use a small entrance LINAC, between him and synchrotron, one put an additional speed circuit in a stadium form. The end LINAC can be reduced if one put more end LINACs. Speaking about a new ionic engine means to speak about a new aircraft. This book (shortly) presents the actual ionic engines (called ion thrusters) and the new ionic (pulse) engines proposed by the authors. This new aircraft will can accelerate directly, without an additional combustion engine and without gravity assists from other planets. The compact engine, tightly closed, does not need air (oxygen). The ship passes through clouds of dust without any problems. The passage from the air into the water and vice versa can be peaceful or even accelerated, without any problems. Increasing more the energy (and also the impulse) can reach the necessary forces and acceleration (the growth will need to be very high, 100 PeV-1000 PeV). Particles energy increased can be made with accelerators circular and or modern linear. Particles energy increased will be huge and in addition will need to grow and the flow of accelerated particles (and the tor diameter; if one increases enough the flow, the necessary energy increased, will be less, 10 GeV-10 TeV). We can increase the number of particles per pulse, the number of pulses per second, and the particle energy. Immediate consequence of increasing particle energy will be the increasing of speeds and autonomy of the ship. Now we can achieve huge speeds in a very short time. The ship will pass through any atmosphere (including water) with great ease. The ship can take off or land directly. Initially one can use to ships the old forms (the old design) which adapts and the accelerator(s). This item ships from La Vergne,TN. Paperback. Seller Inventory # 9781470034047

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Dr Florian Ion Petrescu

Published by Createspace Independent Publishing Platform, United States (2011)

ISBN 10: 1467948802 ISBN 13: 9781467948807

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About this Item: Createspace Independent Publishing Platform, United States, 2011. Paperback. Condition: New. Language: English. Brand new Book. The movement of an electron around the atomic nucleus has today a great importance in many engineering fields. Electronics, aeronautics, micro and nanotechnology, electrical engineering, optics, lasers, nuclear power, computing, equipment and automation, telecommunications, genetic engineering, bioengineering, special processing, modern welding, robotics, energy and electromagnetic wave field is today only a few of the many applications of electronic engineering. This first chapter presents shortly a new and original relation which calculates the radius with that the electron is running around the atomic nucleus. The second chapter presents, shortly, a new and original relation (20) which calculates the Doppler Effect exactly. This new relation (20) is the exact form and the classical expression (10) is an approximate relation. Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable (naturally replenished). The share of renewables in electricity generation is around 18%, with 15% of global electricity coming from hydroelectricity and 3% from new renewables. The third chapter aims to disseminate new methods of obtaining energy. After 1950, began to appear nuclear fission plants. The fission energy was a necessary evil. In this mode it stretched the oil life, avoiding an energy crisis. Even so, the energy obtained from oil represents about 66% of all energy used. At this rate of use of oil, it will be consumed in about 40 years. Today, the production of energy obtained by nuclear fusion is not yet perfect prepared. But time passes quickly. We must rush to implement of the additional sources of energy already known, but and find new energy sources. In these circumstances this chapter comes to proposing possible new energy sources, like energies obtained by the annihilation of a particle with its antiparticle. Seller Inventory # APC9781467948807

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