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Applicant:
Central University of Tamil Nadu 
Author:
M Ponmurugan 
Corresponding Authors:
M Ponmurugan 
DOI #:
https://doi.org/10.1515/jnet-2018-0009 
Title:
Attainability of Maximum Work and the Reversible Efficiency of Minimally Nonlinear Irreversible Heat Engines 
Journal:
Journal of Non-Equilibrium Thermodynamics 
Year:
2019 
Volume:
44(2) 
Page:
143 
Keywords:
heat engine, irreversible thermodynamics, exergy, efficiency 
Abstract:
We use the general formulation of irreversible thermodynamics and study the minimally nonlinear irreversible model of heat engines operating between a time-varying hot heat source of finite size and a cold heat reservoir of infinite size. We find the criterion under which the optimized efficiency obtained by this minimally nonlinear irreversible heat engine can reach the reversible efficiency under the tight coupling condition: a condition of no heat leakage between the system and the reservoirs. We assume the rate of heat transfer from the hot to the cold heat reservoir obeys Fourier’s law and discuss physical conditions under which one can obtain the reversible efficiency in a finite time with finite power. We also calculate the efficiency at maximum power for the minimally nonlinear irreversible heat engine under the non-tight coupling condition. 
Entered by:
M Ponmurugan on 2020-09-06 
 
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