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Developing an appropriate system for onion grading: Handling,save time and costs, decrease losses - Softcover
Onion (Allium cepa,L)is a crop of warm climate and it is grown worldwide. Manual grading of onion is a labor-consuming and tedious operation coming with many losses. Sizing is one of the most important operations affecting onion export. It determines the weight of standard sale package and simplifies the mechanization of different handling systems. Sizing also has an effect on heat transfer processes, since size-graded produce allows heat transfer uniformity during drying, cooling and freezing processes.The aim of this work was to develop an appropriate machine for sizing onions, reduce losses and reduce grading costs. Maximum sizing efficiency obtained was 94.9% at zero longitudinal angle and at a belt speed of (0.23 m/s), while it was 94.5% at 10o longitudinal angle for the same belt speed. The overall average of the sizing efficiency (94.33%) was recorded at 20o side angle and the highest grading capacity (1.72 t/h) was obtained at 10o side angle and 10o longitudinal angle. Total costs of grading the produce were 3.89 LE/t.(0.7 US$/t). This machine has the potential to size other crops like potatoes, tomatoes, apples and citrus fruits.
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About the Author:
Harby Mostafa: Master of agricultural engineering and assoc. lecturer of Agricultural Engineering, Agric. Science, Benha Univ. Egypt.Dr. Adel Bahnasawy is Assoc. Prof. of Agricultural Engineering. They are having a huge experience, published and participated in many journals & conferences.
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- PublisherVDM Verlag
- Publication date2009
- ISBN 10 363920266X
- ISBN 13 9783639202663
- BindingPaperback
- Number of pages96
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Developing an appropriate system for onion grading
Published by
VDM Verlag Dr. Müller
(2009)
ISBN 10: 363920266X
ISBN 13: 9783639202663
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Book Description Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Onion (Allium cepa,L)is a crop of warm climate and it is grown worldwide. Manual grading of onion is a labor-consuming and tedious operation coming with many losses. Sizing is one of the most important operations affecting onion export. It determines the weight of standard sale package and simplifies the mechanization of different handling systems. Sizing also has an effect on heat transfer processes, since size-graded produce allows heat transfer uniformity during drying, cooling and freezing processes.The aim of this work was to develop an appropriate machine for sizing onions, reduce losses and reduce grading costs. Maximum sizing efficiency obtained was 94.9% at zero longitudinal angle and at a belt speed of (0.23 m/s), while it was 94.5% at 10o longitudinal angle for the same belt speed. The overall average of the sizing efficiency (94.33%) was recorded at 20o side angle and the highest grading capacity (1.72 t/h) was obtained at 10o side angle and 10o longitudinal angle. Total costs of grading the produce were 3.89 LE/t.(0.7 US$/t). This machine has the potential to size other crops like potatoes, tomatoes, apples and citrus fruits. 96 pp. Englisch. Seller Inventory # 9783639202663
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Developing an appropriate system for onion grading : Handling,save time and costs, decrease losses
Published by
VDM Verlag Dr. Müller
(2009)
ISBN 10: 363920266X
ISBN 13: 9783639202663
New
Taschenbuch
Quantity: 2
Seller:
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Book Description Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Onion (Allium cepa,L)is a crop of warm climate and it is grown worldwide. Manual grading of onion is a labor-consuming and tedious operation coming with many losses. Sizing is one of the most important operations affecting onion export. It determines the weight of standard sale package and simplifies the mechanization of different handling systems. Sizing also has an effect on heat transfer processes, since size-graded produce allows heat transfer uniformity during drying, cooling and freezing processes.The aim of this work was to develop an appropriate machine for sizing onions, reduce losses and reduce grading costs. Maximum sizing efficiency obtained was 94.9% at zero longitudinal angle and at a belt speed of (0.23 m/s), while it was 94.5% at 10o longitudinal angle for the same belt speed. The overall average of the sizing efficiency (94.33%) was recorded at 20o side angle and the highest grading capacity (1.72 t/h) was obtained at 10o side angle and 10o longitudinal angle. Total costs of grading the produce were 3.89 LE/t.(0.7 US$/t). This machine has the potential to size other crops like potatoes, tomatoes, apples and citrus fruits. Seller Inventory # 9783639202663
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Developing An Appropriate System For Onion Grading: Handling,Save Time And Costs, Decrease Losses
Published by
Vdm Verlag Dr. Müller
(2009)
ISBN 10: 363920266X
ISBN 13: 9783639202663
New
Paperback
Quantity: 1
Seller:
Rating
Book Description Paperback. Condition: Brand New. 96 pages. 8.66x5.91x0.22 inches. In Stock. Seller Inventory # zk363920266X
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