Abstract
Problems and solutions presented in this chapter deal with the preliminary design of axial-flow pumps, fans, and compressors. They include performing an analysis of a high-performance axial-flow air compressor, determining the overall compressor efficiency for a four-stage compressor, comparing efficiencies of two axial compressors for bidding, analyzing two axial-flow compressors operating in series, finding the compressor pressure ratio for the maximum net work output in a gas turbine engine with and without reheat, drawing root, mean, and tip velocity diagrams for an axial-flow compressor, performing meanline analysis of an axial-flow compressor, determining the number of stages needed for an axial-flow compressor, finding the response of an axial-flow compressor to mass flow rate reduction, computing the hydraulic efficiency of an axial-flow water pump, performing an analysis of a four-bladed axial-flow fan, and quickly drawing velocity diagrams from given flow coefficient, loading coefficient, and stage reaction. Detailed discussions of various concepts behind the problems and solutions presented in this chapter may be found in Logan’s Turbomachinery: Flowpath Design and Performance Fundamentals, Third Edition, by Bijay K. Sultanian, published by Taylor & Francis in 2015.
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