Overview

Intended for senior undergraduate students of mechanical, civil and aeronautical engineering and for postgraduate students of applied mathematics and physics for an advanced course in Fluid Mechanics focusing on the physics of turbulent fluid flow, this text shows the fundamental difference between the conventional approach and the pragmatic approach.Professor Persen explains the concept of virtual velocities replacing the concept of Reynolds stresses. In addition, the book analyses free jet flow and shows that the discrepancies that originate from the concept of Reynolds stresses are nonexistent with the new interpretation of fluctuation terms. Professor Persen also provides a detailed account of his own approach to the turbulent boundary layer problem. Finally, the book demonstrates the possibility of finding the regions of similarity conditions in energy transfer in complex situations.Illustrated with cases and a large number of diagrams, the book emphasises the importance of a proper understanding of the physics of flow based on logic and mathematical interpretation of experimental data.

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9788120340923

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Leif N. Persen is Professor Emeritus Department of Energy and Process Engineering Norwegian University of Science and Technology (NTNU) Trondheim Norway. Earlier he was the Head of the Institutt for Mekanikk of the Norwegian Institute of Technology (NTH) of Trondheim from 1957 and in 1960 he became full-time Professor at the same institute a position he held until 1989. In 1960 he spent his second year as Visiting Professor at Brown University (USA). From 1964a""69 he was a Visiting Scientist at the Wrighta""Patterson AFB Dayton Ohio. During 1973a""74 he was a Visiting Scientist at the University of Rhode Island (USA) having been awarded a grant by the national science foundation (NSF). During 1985a""90 he was appointed to the W.A. a���Montya��� Moncrief Centennial Chair in Petroleum Engineering at the University of Texas at Austin. He was also the Norwegian representative to AGARD (Advisory Group for Aerospace Research and Development) for 20 years (1966a""1986).A

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