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Basic Thermal Science
Published in T. Agami Reddy, Jan F. Kreider, Peter S. Curtiss, Ari Rabl, Heating and Cooling of Buildings, 2016
T. Agami Reddy, Jan F. Kreider, Peter S. Curtiss, Ari Rabl
Reducing irreversibility directly improves cycle efficiency. The property called entropy S was described previously in Section 2.1 as a measure of macroscopic molecular chaos. The absolute incremental entropy change dS for a closed system can be determined from dS=dQT
A report on entropy generation and Arrhenius kinetics in magneto-bioconvective flow of Cross nanofluid over a cylinder with wall slip
Published in International Journal of Ambient Energy, 2022
Asgar Ali, Soumitra Sarkar, Sanatan Das, Rabindra Nath Jana
Entropy generation is an instantly promising area focused mainly on by researchers and engineers due to its importance in the stability of industry systems. In thermodynamic systems, entropy can be illustrated as the measure of molecular chaos or disorganisation in a system. For irreversible processes, entropy rate is termed entropy production or generation. Energy can be destroyed due to many irreversible functions like the friction of solid surfaces, viscous dissipation, Joule heating, thermal gradient, diffusion, and chemical reactions. Higher entropy production reduces the efficiency of engineering equipment. Therefore, a diminution in entropy generation for industrial processes is an innovative idea to boost productivity in thermal systems. Butt and Ali (2014) reported the entropy analysis in a magnetised fluid flow over an extending cylinder. Their results exposed that viscous effectiveness is also accountable for entropy generation. Naz et al. (2019) presented a numerical simulation of entropy production in magneto-Cross nanofluid with swimming gyrotactic microorganisms. Their outcomes explored that temperature difference parameters can control entropy production. Entropy production in magneto-Carreau nanofluid flow within the existence of swimming gyrotactic microorganisms was premeditated by Naz et al. (2020). Some recent related works of entropy production are alluded in refs. Hayat et al. (2019), Naz et al. (2020), Sarkar, Jana, and Das (2020) and Ali, Jana, and Das (2021).