15.1 Introduction15.2 Constructional Features15.3 Working Principle15.4 Simple Theory of Aerofoil Blading15.5 Velocity Diagrams15.6 Degree of Reaction15.7 Pressure Rise in Isentropic Flow Through a Cascade15.8 Polytropic Efficiency15.9 Flow Coefficient, Head or Work Coefficient, Deflection Coefficient, and Pressure Coefficient15.10 Pressure Rise in a Stage and Number of Stages15.11 Surging, Choking, and Stalling15.12 Performance Characteristics15.13 Comparison of Axial Flow and Centrifugal Compressors15.14 Applications of Axial Flow Compressors15.15 Losses in Axial Flow CompressorsSummary for Quick RevisionMultiple-choice QuestionsExplanatory NotesReview QuestionsExercisesAnswers to Multiple-choice Questions