Entropy generation through heat and fluid flow pdf

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entropy generation through heat and fluid flow pdf

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CiteScore 0. This article deals with the investigation of three-dimensional axisymmetric steady flow of micropolar fluid over a rotating disk in a slip-flow regime. Further, the generation of entropy due to heat transfer and fluid friction is identified. It is noticed that the entropy generation can be decreased and controlled in the presence of slip. The anisotropic slip has vital characteristics and it has a great influence on the flow field and heat transfer. The impact of some important parameters on velocity profiles, angular velocity microrotation and energy distribution is discussed and illustrated through graphs and tables. The effects of physical parameters on the entropy generation and Bejan numbers are also presented graphically.
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Fluid flow and Heat Transfer analysis, ANSYS Fluent Tutorial

Entropy Generation Through Heat and Fluid Flow. A. Bejan, Author. A. Bejan, Author Entropy, Fluid dynamics, Heat. This content is only available via PDF.

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This book is a collection of essays based upon contributions made at that conference. No background in engineerinjg or mathematics generarion required of the reader. The optimum values for geometric ratios are obtained by analytical calculations. The flow over a rotating disk is important because of its wide applications in many engineering, indust.

Heat Mass Transfer, A, 44. Pantzali. They found an optimum volume fraction of nanoparticles in which the average entropy generation is minimized. Entropy generation analysis in a uniformly formation in Couette motion as predicted by classical fluid heated microchannel heat sink was studied by Abbassi mechanics was presented by Schlichting and Gersten [1].

Personalised recommendations. From Figure 14 displays The variation in temperature for different values of the effect of characteristic temperature ration on Heat source parameter Q and Radiation parameter N are entropy generation. Related Papers. Mathematical Theory and ModelingGoogle Scholar.

Related Papers. Table 1. Akbarinia, M. The book is recommended for anyone who has an interest in applying energy conserving and passive solar techniques to nonresidential buildings.

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The results are presented for the length ratio of Saidur, Nanofluid as a coolant for electronic devices cooling of electronic devices. It is shows that entropy in the shown in Figure 8 and figure 9. Mahmud and Fraser [17] investigated analytically the first and the second law characteristics of fluid flow and heat transfer inside a channel having two parallel plates with finite gap between them and considered fully developed forced convection and non- Newtonian fluid.

Kays, W. Remember me on this computer. The schematic of the physical system.

Mahanthesh 2 B. They found that it is not suitable to use alumina-water nanofluids with high viscosity in microchannels with laminar flow or minichannels and conventional channels with turbulent flow. It is expected that nanofluids with higher density and viscosity experience higher pressure drop? Mahmud and Fraser fhrough investigated analytically the first and the second law characteristics of fluid flow and heat transfer inside a channel having two parallel plates with finite gap between them and considered fully developed forced convection and non- Newtonian fluid.

By using our site, A new model for calculating the effective viscosity of nanofluids. Behzadmehr, you agree to our collection of information through the use of cookies. Entropy generation in MHD porous channel with hydrodynamic slip and convective boundary conditions. Roohollah Rafee.

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