Krank Benjamin (17 results)

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  • Language: English

    Published by Grin Verlag, 2013

    3656409315 / 9783656409311

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  • Language: English

    Published by GRIN Verlag, 2013

    3656409315 / 9783656409311

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    Taschenbuch. Condition: Neu. Druck auf Anfrage Neuware - Printed after ordering - Diploma Thesis from the year 2013 in the subject Engineering - Aerospace Technology, grade: 1,0, Technical University of Munich (Lehrstuhl für Aerodynamik und Strömungsmechanik), course: Computational Aeroacoustics, language: English, abstract: Stretched grids as non-reflecting boundary conditions aim at gradual under-resolution and dissipation of sinusoidal waves and are computationally costly and ineffective if not implemented properly. This defines a need for insight to enable efficient implementation. Two methods of predicting the behavior of sinusoidal waves propagating through stretched grids are presented, an initial value and a boundary value approach. The initial value problem is an approximation and has the advantage that it can be applied with many higher order accurate finite difference schemes. The boundary value problem is more exact but is not applicable for higher order methods. Both methods are verified using a two-dimensional linearized Navier-Stokes solver, which is implemented in the framework of this study. Further, acoustic black hole layers are introduced as an alternative to stretched grids. Using both methods in combination reduces the number of grid points necessary in a boundary domain drastically. All methods are improved with respect to available parameters and their performance is compared using benchmark flows. Explicit recommendations for implementation are developed. …

  • Language: German

    Published by Grin Verlag, 2011

    365602183X / 9783656021834

    • Softcover

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  • Language: German

    Published by Grin Verlag 12/29/2011, 2011

    365602183X / 9783656021834

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    Paperback or Softback. Condition: New. Simulation und Optimierung der Gemischbildung bei �berschall. Book.

  • Language: German

    Published by Grin Verlag, 2011

    365602183X / 9783656021834

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  • Language: German

    Published by Grin Verlag, 2011

    365602183X / 9783656021834

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  • Language: German

    Published by GRIN Verlag, GRIN Verlag, 2011

    365602183X / 9783656021834

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    Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH

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    Taschenbuch. Condition: Neu. Druck auf Anfrage Neuware - Printed after ordering - Studienarbeit aus dem Jahr 2010 im Fachbereich Ingenieurwissenschaften - Luft- und Raumfahrttechnik, Note: 1,0, Technische Universität München (Lehrstuhl für Flugantriebe), Sprache: Deutsch, Abstract: Am Lehrstuhl für Flugantriebe der Technischen Universität München wurden während der letzten Jahre Versuche mit einer SCRamjet Brennkammer durchgeführt. Die Brennkammer verfügt über eine Mittelstrebe, englisch Strut, die die Flamme in der überschallschnellen Strömung stabilisieren soll. Bei Versuchen zeigte sich, dass bereits geringfügige Änderungen an der Geometrie des Struts großen Einfluss insbesondere auf die Flammstabilität haben.Im Rahmen dieser Arbeit wurde das Strömungsfeld verschiedener Strutgeometrien mittels CFD simuliert und die Einflüsse der Geometrie auf die Strömung und die Gemischbildung analysiert. Es hat sich gezeigt, dass durch die Hinterkante des Struts wirbel erzeugt werden können, die das Verhalten der Strömung positiv beeinflussen. Das Verständnis über die Geometrieeinflüsse wurde schließlich dazu verwendet, eine neue Geometrie zu entwickeln.…

  • Language: German

    Published by Grin Verlag, 2011

    365602183X / 9783656021834

    • Softcover

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  • Language: German

    Published by GRIN Verlag, 2011

    365602183X / 9783656021834

    • Softcover

    Seller: Mispah books, Redhill, SURRE, United KingdomMispah books

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    Paperback. Condition: Like New. LIKE NEW. SHIPS FROM MULTIPLE LOCATIONS. book.

  • Language: German

    Published by Grin Verlag, 2011

    365602183X / 9783656021834

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    Seller: GreatBookPrices, Columbia, MD, U.S.A.GreatBookPrices

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  • Language: English

    Published by GRIN Verlag, GRIN Verlag Apr 2013, 2013

    3656409315 / 9783656409311

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    Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.

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    Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Diploma Thesis from the year 2013 in the subject Engineering - Aerospace Technology, grade: 1,0, Technical University of Munich (Lehrstuhl für Aerodynamik und Strömungsmechanik), course: Computational Aeroacoustics, language: English, abstract: Stretched grids as non-reflecting boundary conditions aim at gradual under-resolution and dissipation of sinusoidal waves and are computationally costly and ineffective if not implemented properly. This defines a need for insight to enable efficient implementation. Two methods of predicting the behavior of sinusoidal waves propagating through stretched grids are presented, an initial value and a boundary value approach. The initial value problem is an approximation and has the advantage that it can be applied with many higher order accurate finite difference schemes. The boundary value problem is more exact but is not applicable for higher order methods. Both methods are verified using a two-dimensional linearized Navier-Stokes solver, which is implemented in the framework of this study. Further, acoustic black hole layers are introduced as an alternative to stretched grids. Using both methods in combination reduces the number of grid points necessary in a boundary domain drastically. All methods are improved with respect to available parameters and their performance is compared using benchmark flows. Explicit recommendations for implementation are developed. 152 pp. Englisch.…

  • Language: English

    Published by GRIN Verlag, 2013

    3656409315 / 9783656409311

    • Softcover
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    Seller: Majestic Books, Hounslow, United KingdomMajestic Books

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    Condition: New. Print on Demand pp. 152 424:B&W 5.83 x 8.27 in or 210 x 148 mm (A5) Perfect Bound on Creme w/Matte Lam.

  • Language: English

    Published by GRIN Verlag, 2013

    3656409315 / 9783656409311

    • Softcover
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    Seller: Books Puddle, Woodside, NY, U.S.A.Books Puddle

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    Condition: New. Print on Demand pp. 152.

  • Language: English

    Published by GRIN Verlag, 2013

    3656409315 / 9783656409311

    • Softcover
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    Seller: Biblios, frankfurt am main, HESSE, GermanyBiblios

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    Condition: New. PRINT ON DEMAND pp. 152.

  • Language: English

    Published by GRIN Verlag, 2013

    3656409315 / 9783656409311

    • Softcover
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    Seller: preigu, Osnabrück, Germanypreigu

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    Taschenbuch. Condition: Neu. Analyzing stretched grids and introducing acoustic black hole layers as non-reflecting boundary conditions | Benjamin Krank | Taschenbuch | Aus der Reihe: [.] stipendiaten-wissen | 152 S. | Englisch | 2013 | GRIN Verlag | EAN 9783656409311 | Verantwortliche Person für die EU: GRIN Publishing GmbH, Waltherstr. 23, 80337 München, info[at]grin[dot]com | Anbieter: preigu Print on Demand.…

  • Language: German

    Published by GRIN Verlag Dez 2011, 2011

    365602183X / 9783656021834

    • Softcover
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    Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.

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    Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Studienarbeit aus dem Jahr 2010 im Fachbereich Ingenieurwissenschaften - Luft- und Raumfahrttechnik, Note: 1,0, Technische Universität München (Lehrstuhl für Flugantriebe), Sprache: Deutsch, Abstract: Am Lehrstuhl für Flugantriebe der Technischen Universität München wurden während der letzten Jahre Versuche mit einer SCRamjet Brennkammer durchgeführt. Die Brennkammer verfügt über eine Mittelstrebe, englisch Strut, die die Flamme in der überschallschnellen Strömung stabilisieren soll. Bei Versuchen zeigte sich, dass bereits geringfügige Änderungen an der Geometrie des Struts großen Einfluss insbesondere auf die Flammstabilität haben.Im Rahmen dieser Arbeit wurde das Strömungsfeld verschiedener Strutgeometrien mittels CFD simuliert und die Einflüsse der Geometrie auf die Strömung und die Gemischbildung analysiert. Es hat sich gezeigt, dass durch die Hinterkante des Struts wirbel erzeugt werden können, die das Verhalten der Strömung positiv beeinflussen. Das Verständnis über die Geometrieeinflüsse wurde schließlich dazu verwendet, eine neue Geometrie zu entwickeln. 80 pp. Deutsch. …

  • Language: German

    Published by GRIN Verlag, 2011

    365602183X / 9783656021834

    • Softcover
    • Print on Demand

    Seller: preigu, Osnabrück, Germanypreigu

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    Taschenbuch. Condition: Neu. Simulation und Optimierung der Gemischbildung bei Überschall | Benjamin Krank | Taschenbuch | Aus der Reihe: [.] stipendiaten-wissen | 80 S. | Deutsch | 2011 | GRIN Verlag | EAN 9783656021834 | Verantwortliche Person für die EU: GRIN Publishing GmbH, Waltherstr. 23, 80337 München, info[at]grin[dot]com | Anbieter: preigu Print on Demand. …