FIELD: aeronautical engineering. SUBSTANCE: fluctuations of total (or static) pressure are measured at gas-turbine engine inlet, then spectral density of power in working frequency range is calculated and is compared with standard value at specific frequencies (at boundary of gas-dynamic stability) and signals are furnished to gas-turbine engine automatic control system for change of angles of compressor guide devices. EFFECT: extended range of gas dynamic stability of engine operation. 4 dwg
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Authors
Dates
1998-09-10—Published
1997-04-28—Filed