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Entropy 2016, 18(8), 279; doi:10.3390/e18080279

Entropy Generation through Non-Equilibrium Ordered Structures in Corner Flows with Sidewall Mass Injection

Mechanical Engineering, University of Utah, 2067 Browning Avenue, Salt Lake City, UT 84108, USA
Academic Editor: Brian Agnew
Received: 22 June 2016 / Revised: 24 July 2016 / Accepted: 25 July 2016 / Published: 28 July 2016
(This article belongs to the Special Issue Advances in Applied Thermodynamics II)
View Full-Text   |   Download PDF [3798 KB, uploaded 28 July 2016]   |  

Abstract

Additional entropy generation rates through non-equilibrium ordered structures are predicted for corner flows with sidewall mass injection. Well-defined non-equilibrium ordered structures are predicted at a normalized vertical station of approximately eighteen percent of the boundary-layer thickness. These structures are in addition to the ordered structures previously reported at approximately thirty-eight percent of the boundary layer thickness. The computational procedure is used to determine the entropy generation rate for each spectral velocity component at each of several stream wise stations and for each of several injection velocity values. Application of the procedure to possible thermal system processes is discussed. These results indicate that cooling sidewall mass injection into a horizontal laminar boundary layer may actually increase the heat transfer to the horizontal surface. View Full-Text
Keywords: corner flow mass injection; non-equilibrium ordered structures; empirical entropies; entropy generation rates; laminar-turbulent transition corner flow mass injection; non-equilibrium ordered structures; empirical entropies; entropy generation rates; laminar-turbulent transition
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Isaacson, L.K. Entropy Generation through Non-Equilibrium Ordered Structures in Corner Flows with Sidewall Mass Injection. Entropy 2016, 18, 279.

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