%0 Journal Article %A Fernández Pineda, Cristóbal %A Velasco Maíllo, Santiago %T Application of thermodynamic extremum principles %D 2001 %@ 0002-9505 %U https://hdl.handle.net/20.500.14352/58867 %X A simple system is used to illustrate the application of different extremum principles in thermodynamics. The system consists of an ideal gas contained in an adiabatically isolated cylinder interacting with a constant-pressure work device through an adiabatic movable piston. A kinetic model is also used to analyze the time evolution of the system toward the final equilibrium state. %~