This is a preview. Log in through your library . Abstract It is shown that, in addition to the static Emden solution, a self-gravitating polytropic gas has a dynamic option in which there is ...

This is a preview. Log in through your library . Abstract We prove the existence of global weak solutions to the Navier-Stokes equations for a one-dimensional viscous polytropic ideal gas. We require ...

Compressor speed as a function of molecular weight, while maintaining the same suction and discharge pressure and mass flow rate. Polytropic head and efficiencies as a function of gas molecular weight ...