Question

what is polytropic and non polytropic process....

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Answer 1

HERE IS UR ANSWER

A polytropic process is a thermodynamicprocess that obeys the relation: where p is the pressure, V is volume, n is the polytropic index , and C is a constant. The polytropic processequation can describe multiple expansion and compression processes which include heat transfer.

difference

Adiabatic process or non polytropic can be considered to be the processwhere no heat transfer can take place across the boundary. ... Polytropic process is a general process for which PV^n=constant. But adiabatic process is a particular case of polytropic process for which n=gamma, i.e., PV^gamma=constant.

Answer 2

POLYTROPIC

A polytropic process is a thermodynamic process that obeys the relation: p V n = C ... In the absence of forces except pressure, such a spontaneous process is not allowed by the second law of thermodynamics;

NON POLYTROPIC

The term "polytropic" was originally coined to describe any reversible process on any open or closed system of gas or vapor which involves both heat and work transfer, such that a specified combination of properties were maintained constant throughout the process

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