Contents: Preface,Introduction,Physical properties of gases and simple kinetic theory of gases,Generalization of laws of friction and of heat conduction,Fundamental equations of fluid dynamics of viscous compressible fluids,Some exact solutions of navier-stokes equations,Reynolds laws of similarity and dimensional analysis,Properties of the navier-stokes differential equations,Theory of very slow motion,The boundary layer equations,Exact solutions of two-dimensional boundary layer equations of steady flow,Approximate solutions of two-dimensional boundary layer equations of steady flow,Axially symmetrical and three-dimensional boundary layer flows,Unsteady flows in boundary layer,Boundary layer flows with suction and with injection,Linearized theory of viscous compressible fluid,Index.