![]() ![]() before tackling flow features in a blade passage and the loss elements themselves. We give a brief history of mean line design codes and their intrinsic loss models. We then discuss preliminary compressor design addressing diffusing flow, limits on turning, deviation and the resulting blockage and mean line analysis. ![]() We derive and explain the three non-dimensional stage characteristics loading coefficient, flow coefficient and stage reaction. We emphasize the construction and interpretation of velocity diagrams, a vital element in any engineer’s understanding, from which a great deal can be learned about performance and trends caused by simple changes. ![]() In this chapter we address the duties and lay out the fundamentals of compressor design and definitions of performance parameters. Its successful operation in all segments of a mission is critical. The compression system is a major working part of any gas turbine and, aerodynamically, it is the most complex. ![]()
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March 2023
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