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Keywords: entropy
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Journal Articles
Article Type: Research Papers
J. Fluids Eng. June 2011, 133(6): 061203.
Published Online: June 16, 2011
...Edmond J. Walsh; Donald M. Mc Eligot; Luca Brandt; Phillip Schlatter The objective of the present research is to develop new fundamental knowledge of the entropy generation process in laminar flow with significant fluctuations (called pre-transition) and during transition prematurely induced...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. May 2011, 133(5): 051201.
Published Online: May 31, 2011
... as an alternative, is closer to the physics of flow losses, however. This definition is based upon the dissipation of mechanical energy as main quantity. With the second law of thermodynamics this dissipation can be linked to the local entropy generation in the flow field. For various conduit components K values...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. 101202.
Published Online: September 2, 2008
...Aytac Arikoglu; Guven Komurgoz; Ibrahim Ozkol In this study, it is the first time that the effect of slip on the entropy generation is investigated for the flow over a rotating single free disk. The problem is considered for steady and axially symmetrical case in a Newtonian ambient fluid...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. June 2008, 130(6): 061205.
Published Online: June 5, 2008
...Donald M. McEligot; Edmond J. Walsh; Eckart Laurien; Philippe R. Spalart The local (pointwise) entropy generation rate per unit volume S ‴ is a key to improving many energy processes and applications. Consequently, in the present study, the objectives are to examine the effects of Reynolds number...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. May 2007, 129(5): 659–664.
Published Online: January 8, 2007
...Edmond J. Walsh; Kevin P. Nolan; Donald M. McEligot; Ralph J. Volino; Adrian Bejan Conditionally-sampled boundary layer data for an accelerating transitional boundary layer have been analyzed to calculate the entropy generation rate in the transition region. By weighing the nondimensional...
Journal Articles
Article Type: Article
J. Fluids Eng. November 2004, 126(6): 893–899.
Published Online: March 11, 2005
...O. B. Adeyinka; G. F. Naterer This article presents new modeling of turbulence correlations in the entropy transport equation for viscous, incompressible flows. An explicit entropy equation of state is developed for gases with the ideal gas law, while entropy transport equations are derived...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. July 2004, 126(4): 700–703.
Published Online: September 10, 2004
.... 27 June 2002 05 March 2004 10 09 2004 laminar flow boundary layer turbulence laminar to turbulent transitions wakes entropy aerodynamics An increase in the free-stream turbulence level from 0.8% to 5.0% resulted in almost a 45% increase in suction surface boundary...