New edition of a text which provides material for an understanding of concepts of use in finding approximate solutions to problems involving the flow of a compressible, viscous, inhomogenous gas. The first six chapters are devoted to a study of the flow of a perfect fluid and to the application of a perfect-fluid theory to the prediction of the lifting characteristics of wings. Chapters 7 to 13 deal with the compressible inviscid fluid and its application to the flow through channels and about wings. The effects of viscosity on the flow of incompressible and compressible fluids are addressed in chapters 14 through 19. Includes illustrative examples, problems of practical interest, and a new section on supersonic wind tunnels. Ends with two appendices, tables, and an oblique shock chart. Annotation c. by Book News, Inc., Portland, Or.