FIELD: aircraft engineering.
SUBSTANCE: inflight measurements are used to define magnitude Rn.p. of ideal engine thrust as Rn.p.=Rcn.p.-GAVF, where Rcn.p. is conventional thrust of jet nozzle corresponding to full expansion of exhaust jet therein to barometric pressure, GA air flow rate at engine inlet, VF is aircraft flight velocity. In diagnostics, engine thrust is controlled by departure of Rn.p from reference value corresponding to engine thrust prior to engine operation.
EFFECT: higher accuracy of diagnostics.
1 dwg
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Authors
Dates
2013-02-27—Published
2011-05-19—Filed