An Integral Analysis of Boundary Layers on Moving Walls PDF Download
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Author: Kevin S. Fansler
Publisher:
ISBN:
Category : Boundary layer
Languages : en
Pages : 128
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Book Description
An integral method for calculating the nonsimilar steady two-dimensional boundary-layer development on both upstream and downstream moving walls has been developed. Separation from moving walls is briefly reviewed and a separation criterion for the technique is developed that conforms with some accepted ideas on boundary-layer separation. The integral-momentum and integral-energy boundary-layer equations have been integrated simultaneously by using the shape factor relationships derived from moving-wall similarity solutions. The results are found to compare favorably with an exact solution and an approximate solution. The stability of the boundary-layer development calculations is also examined.
Author: Kevin S. Fansler
Publisher:
ISBN:
Category : Boundary layer
Languages : en
Pages : 128
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Book Description
An integral method for calculating the nonsimilar steady two-dimensional boundary-layer development on both upstream and downstream moving walls has been developed. Separation from moving walls is briefly reviewed and a separation criterion for the technique is developed that conforms with some accepted ideas on boundary-layer separation. The integral-momentum and integral-energy boundary-layer equations have been integrated simultaneously by using the shape factor relationships derived from moving-wall similarity solutions. The results are found to compare favorably with an exact solution and an approximate solution. The stability of the boundary-layer development calculations is also examined.
Author: Hermann Schlichting (Deceased)
Publisher: Springer
ISBN: 366252919X
Category : Technology & Engineering
Languages : en
Pages : 814
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Book Description
This new edition of the near-legendary textbook by Schlichting and revised by Gersten presents a comprehensive overview of boundary-layer theory and its application to all areas of fluid mechanics, with particular emphasis on the flow past bodies (e.g. aircraft aerodynamics). The new edition features an updated reference list and over 100 additional changes throughout the book, reflecting the latest advances on the subject.
Author: James Edward Danberg
Publisher:
ISBN:
Category : Boundary layer
Languages : en
Pages : 42
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Book Description
The nonsimilar moving wall stagnation point solution derived by Rott has been redefined so as to show that a second related solution exists. Rott's solution corresponds to a constant wall velocity with an external velocity proportional to the distance from the stagnation point. A counterpart solution corresponds to the case of a constant edge velocity proportional to the wall coordinate. Numerical and analytical solutions of the equations have defined the characteristics of the boundary layer including their integral properties.
Author: Cornell Aeronautical Laboratory
Publisher:
ISBN:
Category : Compressors
Languages : en
Pages : 118
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Book Description
Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 592
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 500
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Book Description
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 878
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Book Description
Author: James Jones
Publisher: Taylor & Francis
ISBN: 1000656136
Category : Architecture
Languages : en
Pages : 229
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Book Description
Aeroform: Designing for Wind and Air Movement provides a comprehensive introduction to applying aerodynamic principles to architectural design. It presents a challenge to architects and architectural engineers to give shape to the wind and express its influence on architectural form. The wind pushes and pulls on our buildings, infiltrates and exfiltrates through cracks and openings, and lifts roofs during storm events. It can also offer opportunities for resource conservation through natural ventilation or a biophilic connection between indoors and out. This book provides basic concepts in fluid mechanics such as materials, forces, equilibrium, pressure, and hydrostatics; introduces the reader to the concept of airflow; and provides strategies for designing for wind resistance, especially in preventing uplift. Natural ventilation and forced airflow are explored using examples such as Thomas Herzog’s Hall 26 in Hanover, RWE Ag building in Essen Germany, and the Kimbell Art Museum in Texas. Finally, issues of wind and airflow measurement are addressed. A reference for students and practitioners of architecture and architectural engineering, this book is richly illustrated and presents complex concepts of aerodynamic engineering in easy-to-understand language. It prepares the architect or architectural engineer to design buildings that are visually expressive of a dialogue between wind and built form.
Author: Heinrich Görtler
Publisher: Springer Science & Business Media
ISBN: 3642458858
Category : Technology & Engineering
Languages : en
Pages : 423
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Book Description
Der BeschluB des Generalrats der Internationalen Union fill Theo retische und Angewandte Mechanik (IUTAM), ein Symposium tiber Grenzschichtforschung vorzubereiten, war von dem Wunsch getragen, Wissenschaftlern aus aller Welt, die in eigenen Arbeiten zu den neueren Fortschritten auf diesem wichtigen Gebiet der Stromungsmechanik wesentlich beigetragen haben, zu grtindlichen Diskussionen Gelegenheit zu geben. Die grundsatzlichen Probleme der Grenzschichtforschung soUten bei der Aussprache im V ordergrund stehen, die technischen An wendungen muBten im Hintergrund bleiben. Da eine echte Diskussion nur in einem relativ kleinen Kreis moglich ist, hat das Wissenschaftliche Komitee den Kreis der Teilnehmer be schrankt, dabei aber nach Moglichkeit Vertreter aus allen an den Fort schritten der Grenzschichtforschung beteiligten Nationen zusammenge fUhrt. Die Teilnehmer wurden in Beratungen des Wissenschaftlichen Komitees ausgewahlt und entweder zur Erstattung eines allgemeinen oder eines speziellen Berichtes eingeladen bzw. zur Teilnahme an den Diskussionsveranstaltungen aufgefordert. Das Ergebnis dieser Tagung legen wir hiermit vor. 1m Druck sind aIle jene Fragen und Bemerkungen aus den Diskussionen weggelassen wor den, die sich durch das V orliegen des voUen V ortragstextes in diesem Buch von selbst erledigen, bzw. die durch nachtragliche Bearbeitung des Manuskriptes von den Autoren beriicksichtigt worden sind. Wir empfinden es mit Dank als eine Ehrung, daB die erste Veranstal tung der IUTAM in Deutschland die Grenzschichtforschung behandelt und damit das Gedenken an LUDWIG PRANDTL wachhalt, den Begriinder der Grenzschichtforschung und den Forderer der modernen Stromungs forschung.
Author: Noor A Ahmed
Publisher: CRC Press
ISBN: 0429805438
Category : Science
Languages : en
Pages : 266
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Book Description
Coanda effect is a complex fluid flow phenomenon enabling the production of vertical take-off/landing aircraft. Other applications range from helicopters to road vehicles, from flow mixing to combustion, from noise reduction to pollution control, from power generation to robot operation, and so forth. Book starts with description of the effect, its history and general formulation of governing equations/simplifications used in different applications. Further, it gives an account of this effect’s lift boosting potential on a wing and in non-flying vehicles including industrial applications. Finally, occurrence of the same in human body and associated adverse medical conditions are explained.
