Polytropic Definition and 52 Threads

A polytropic process is a thermodynamic process that obeys the relation:




p

V


n


=
C


{\displaystyle pV^{\,n}=C}
where p is the pressure, V is volume, n is the polytropic index, and C is a constant. The polytropic process equation can describe multiple expansion and compression processes which include heat transfer.

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  1. A

    Only quasistatic process can be a polytropic process

    We may say a process is adiabatic if it occurs fast enough such that no heat is exchanged from the system.But we also say a process is quasi-static when it occurs very slow. Then how can PV^gamma = c hold for a fast occurring adiabatic process because a polytropic process should be...
  2. T

    Polytropic Process: Solving for p1 with p2, T1, T2 & n

    Hi, I have a question relating to a polytropic process. The question consists of two parts. It says that the pressure (p) and the volume (v) of a gas undergoing a polytropic process are related by the equation: p1V1^n = p2V2^n (where P1, P2 etc are individual variables as i don't know...
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