An infinitesimal change in heat flux Q is shown, in terms of entropy flux to have two parts, the first part being the thermal displacement and the second part being the thermal deformation. Only the second part dissipates into internal energy and generates entropy. This generation is shown to be Thermodynamic arguments are extended to transport phenomena. It is shown that a part of local rate of entropy generation is related to local rate of thermal deformation by where being the rate of heat flux.
Thermal Deformation: From Thermodynamics to Heat Transfer
Contributed by the Heat Transfer Division for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received by the Heat Transfer Division February 8, 2000; revision received February 20, 2001. Editor: V. K. Dhir.
Arpacı, V. S. (February 20, 2001). "Thermal Deformation: From Thermodynamics to Heat Transfer ." ASME. J. Heat Transfer. October 2001; 123(5): 821–826. https://doi.org/10.1115/1.1379953
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