A polytropic process is a thermodynamic process that obeys the relation: pv^{n= C }(Constant), where p is the pressure, v is specific volume, and n is the polytropic index.

×

**Forms of energy**

**Energy sources**

**Energy distribution and utilization**

**Oil and gas - Hydrocarbons**

**Other fuels**

**Substance turnover**

A polytropic process is a thermodynamic process that obeys the relation: pv^{n= C }(Constant), where p is the pressure, v is specific volume, and n is the polytropic index.