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Erschienen in:
2018 | OriginalPaper | Buchkapitel
Spreadsheet Calculations
verfasst von : Dr. Joachim Kurzke, Dr. Ian Halliwell
Erschienen in: Propulsion and Power
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D2 Spreadsheet Calculations We first summarize the equations used for describing component performance, including non-dimensional parameters, such as corrected mass flow, Mach number total/static ratios. The isentropic and polytropic efficiency definitions for compressors and turbines, are compared. We then follow with a detailed hand-calculation through the cycle of a turbojet engine in-flight. We cover each component from the inlet to the nozzle and evaluate the differences caused by using the mean specific heat rather than the entropy function (as used in GasTurb).