Travail : W = - p dv
TDC = Toc Dead Center ( Point Mort Haut)
BDC = Bottom Dead Center (Point Mort bas)
CI Compression ignition engine (Diesel engine)
SI. Spark ignition engine ( Gasoline / Otto engine)

Constant volume addition cycle (Otto - Beau de Rochas)Constant pressure addition cycle (Diesel cycle)Cycle mixte de Sabathé - Limited pressure cycle