| 摘要 |
There is provided a control apparatus for a gas-turbine engine which is configured in such a manner that a portion of compressed air from a compressor is supplied to a combustion chamber and the other portion of the compressed air is sent to the outside of the engine to be used as source of energy, and a turbine is rotated by combustion gas produced in the combustion chamber. The control apparatus executes the optimum combustion control in an extraction engine. The control apparatus calculates the physical quantity related to the air in the gas-turbine engine using the turbine flow-rate coefficient in the range in which the turbine chokes.
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