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TEMPERATURE INVERSION DETECTION AND MITIGATION STRATEGIES TO AVOID COMPRESSOR SURGE
TEMPERATURE INVERSION DETECTION AND MITIGATION STRATEGIES TO AVOID COMPRESSOR SURGE
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机译:温度反转检测和缓解策略,以避免压缩机浪涌
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摘要
A system and method for controlling compressor inlet guide vanes of a gas turbine engine in an aircraft includes supplying, to a compressor inlet guide vane control algorithm, an inlet temperature value that is at least representative of sensed engine inlet total temperature. One or more gas turbine engine parameters are sensed with one or more sensors during operation of the gas turbine engine. The one or more gas turbine engine parameters are processed in the engine control unit to determine an inlet temperature modifier value that is an estimate of a difference between the sensed engine inlet total temperature and actual engine inlet total temperature. The inlet temperature modifier value is added to the inlet temperature value to derive a modified engine inlet total temperature. The modified engine inlet total temperature is used in the compressor inlet guide vane control algorithm, which controls the compressor inlet guide vanes.
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