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Condition: As New. Unread book in perfect condition.
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Oil Film Dynamics in Aero Engine Bearing Chambers (Paperback)
Language: English
Published by Logos Verlag Berlin GmbH, Berlin, 2012
ISBN 10: 3832532285 ISBN 13: 9783832532284
Paperback. Condition: new. Paperback. Aero engine bearing chambers are complex machine elements inside the engines, supporting up to three concentric shafts on bearings. For safety reasons, the aero engines always employ rolling-element type bearings and therefore require a sufficient oil supply for lubrication in order to guarantee a reliable operation. As a consequence, a complex two-phase flow consisting of oil and sealing air governs the bearing chambers. A highly dynamic oil film, flowing along the chamber walls, plays a vital role to fulfill the tasks of cooling, lubricating and cleaning the bearing chambers. The design and optimization process of the bearing chambers requires a detailed understanding in order to accurately simulate the film behaviour inside the bearing chambers. Based on the earlier experimental investigations, it is known that near the scavenge off-take a relatively thick film exists. The numerical model to simulate these films must therefore take into account the elliptical behaviour of such films. Among the different models, the Volume Of Fluid (VOF) Model offers the best compromise between accuracy and efforts.However, preliminary attempts to model a fully developed and turbulent test case from literature revealed an unphysical pressure drop and velocity profile in the gas phase above the film flow. An inadequate turbulence modelling near the gas-liquid interface was identified as the problem source. The 2-Equation turbulence models were extended to achieve a substantial improvement. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.
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Oil Film Dynamics in Aero Engine Bearing Chambers
Language: English
Published by Logos Verlag Berlin GmbH, DE, 2012
ISBN 10: 3832532285 ISBN 13: 9783832532284
Paperback. Condition: New.
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Oil Film Dynamics in Aero Engine Bearing Chambers
Language: English
Published by Logos Verlag Berlin GmbH, DE, 2012
ISBN 10: 3832532285 ISBN 13: 9783832532284
Seller: Rarewaves.com USA, London, LONDO, United Kingdom
Seller rating 5 out of 5 stars
Paperback. Condition: New.
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Oil Film Dynamics in Aero Engine Bearing Chambers : Fundamental Investigations and Numerical Modelling
Seller: GreatBookPricesUK, Woodford Green, United Kingdom
Seller rating 5 out of 5 stars
US$ 79.99
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paperback. Condition: New. Special order direct from the distributor.
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Oil Film Dynamics in Aero Engine Bearing Chambers: Fundamental Investigations and Numerical Modelling
Seller: Kennys Bookshop and Art Galleries Ltd., Galway, GY, Ireland
Seller rating 5 out of 5 stars
Condition: New. 2012. Paperback. . . . . .
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Add to basketPaperback. Condition: Brand New. 142 pages. 9.75x7.00x0.50 inches. In Stock.
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Oil Film Dynamics in Aero Engine Bearing Chambers : Fundamental Investigations and Numerical Modelling
Seller: GreatBookPricesUK, Woodford Green, United Kingdom
Seller rating 5 out of 5 stars
US$ 93.46
US$ 20.24 shipping
Ships from United Kingdom to U.S.A.Quantity: 2 available
Add to basketCondition: New.
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Condition: New. 2012. Paperback. . . . . . Books ship from the US and Ireland.
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paperback. Condition: New.
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Oil Film Dynamics in Aero Engine Bearing Chambers
Language: English
Published by Logos Verlag Berlin GmbH, DE, 2012
ISBN 10: 3832532285 ISBN 13: 9783832532284
Paperback. Condition: New.
-
Oil Film Dynamics in Aero Engine Bearing Chambers (Paperback)
Language: English
Published by Logos Verlag Berlin GmbH, Berlin, 2012
ISBN 10: 3832532285 ISBN 13: 9783832532284
Paperback. Condition: new. Paperback. Aero engine bearing chambers are complex machine elements inside the engines, supporting up to three concentric shafts on bearings. For safety reasons, the aero engines always employ rolling-element type bearings and therefore require a sufficient oil supply for lubrication in order to guarantee a reliable operation. As a consequence, a complex two-phase flow consisting of oil and sealing air governs the bearing chambers. A highly dynamic oil film, flowing along the chamber walls, plays a vital role to fulfill the tasks of cooling, lubricating and cleaning the bearing chambers. The design and optimization process of the bearing chambers requires a detailed understanding in order to accurately simulate the film behaviour inside the bearing chambers. Based on the earlier experimental investigations, it is known that near the scavenge off-take a relatively thick film exists. The numerical model to simulate these films must therefore take into account the elliptical behaviour of such films. Among the different models, the Volume Of Fluid (VOF) Model offers the best compromise between accuracy and efforts.However, preliminary attempts to model a fully developed and turbulent test case from literature revealed an unphysical pressure drop and velocity profile in the gas phase above the film flow. An inadequate turbulence modelling near the gas-liquid interface was identified as the problem source. The 2-Equation turbulence models were extended to achieve a substantial improvement. Shipping may be from our Sydney, NSW warehouse or from our UK or US warehouse, depending on stock availability.
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Oil Film Dynamics in Aero Engine Bearing Chambers
Language: English
Published by Logos Verlag Berlin GmbH, DE, 2012
ISBN 10: 3832532285 ISBN 13: 9783832532284
US$ 93.45
US$ 87.70 shipping
Ships from United Kingdom to U.S.A.Quantity: 1 available
Add to basketPaperback. Condition: New.
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Paperback. Condition: new. Paperback. Dieses Werk befasst sich mit der Bearbeitung von Case Studies, wie sie fur die betriebswirtschaftliche Aus- und Weitebildung an internationalen Business Schools, beispielsweise der weithin bekannten Harvard Business School, typisch sind. An "klassischen" deutschen Universitaten und Fachhochschulen finden solche Case Studies vom "Harvard-Typ" nur zogerlich Einsatz. Insbesondere fehlt es im deutschsprachigen Raum an einschlagigen Fach- und Lehrbuchern, die sich mit der Bearbeitung solcher Case Studies in wirtschaftswissenschaftlichen Lehrveranstaltungen intensiv befassen. Das hier vorgelegte Werk zielt darauf ab, diese Lucke zu schliessen. In erster Linie wendet sich dieses Werk an die Zielgruppe von Studierenden der Betriebswirtschaftslehre und "benachbarter" wirtschaftswissenschaftlicher Studiengange, wie etwa Wirtschaftsinformatik, Volkswirtschaftslehre, Medizinmanagement und Lehramt mit wirtschaftswissenschaftlicher Ausrichtung. Als zweite Zielgruppe sollen sich auch Hochschulabsolventen angesprochen fuhlen, die sich anlasslich ihres Ubergangs in das Berufsleben auf Assessment Center vorbereiten mochten, in denen heutzutage immer ofter die Bearbeitung und Prasentation "kleiner" Case Studies verlangt wird. Eine dritte Zielgruppe bilden "Profis" aus der betrieblichen Praxis, die sich -- beispielsweise in Unternehmensberatungen -- auch in ihrer taglichen Arbeit mit komplexen Case Studies auseinandersetzen. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.
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Condition: As New. Unread book in perfect condition.
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Case-Study-Guide: Grundlagen -- Anschauungsbeispiele -- Hinweise fur Seminararbeiten
Seller: Kennys Bookshop and Art Galleries Ltd., Galway, GY, Ireland
Seller rating 5 out of 5 stars
Condition: New. 2012. Paperback. . . . . .
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Condition: New. 2012. Paperback. . . . . . Books ship from the US and Ireland.
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Paperback. Condition: new. Paperback. Dieses Werk befasst sich mit der Bearbeitung von Case Studies, wie sie fur die betriebswirtschaftliche Aus- und Weitebildung an internationalen Business Schools, beispielsweise der weithin bekannten Harvard Business School, typisch sind. An "klassischen" deutschen Universitaten und Fachhochschulen finden solche Case Studies vom "Harvard-Typ" nur zogerlich Einsatz. Insbesondere fehlt es im deutschsprachigen Raum an einschlagigen Fach- und Lehrbuchern, die sich mit der Bearbeitung solcher Case Studies in wirtschaftswissenschaftlichen Lehrveranstaltungen intensiv befassen. Das hier vorgelegte Werk zielt darauf ab, diese Lucke zu schliessen. In erster Linie wendet sich dieses Werk an die Zielgruppe von Studierenden der Betriebswirtschaftslehre und "benachbarter" wirtschaftswissenschaftlicher Studiengange, wie etwa Wirtschaftsinformatik, Volkswirtschaftslehre, Medizinmanagement und Lehramt mit wirtschaftswissenschaftlicher Ausrichtung. Als zweite Zielgruppe sollen sich auch Hochschulabsolventen angesprochen fuhlen, die sich anlasslich ihres Ubergangs in das Berufsleben auf Assessment Center vorbereiten mochten, in denen heutzutage immer ofter die Bearbeitung und Prasentation "kleiner" Case Studies verlangt wird. Eine dritte Zielgruppe bilden "Profis" aus der betrieblichen Praxis, die sich -- beispielsweise in Unternehmensberatungen -- auch in ihrer taglichen Arbeit mit komplexen Case Studies auseinandersetzen. Shipping may be from our Sydney, NSW warehouse or from our UK or US warehouse, depending on stock availability.
