The maintenance of the HIGHEST POSSIBLE power values For low-sized TURBOSHAFT AIRCRAFT ENGINE with the free turbine in conditions of WARM AMBIENT air TEMPERATURES

O.V. Vedernikov, R.A. Shevchenko, A.A. Shtikov

The possibility of maintenance the maximum power values for turboshaft aircraft engine in the conditions of warm temperatures of ambient air by use of the law of control with indirect determination (recalculation through measured parameters) of the total gas temperature upstream the compressor turbine is considered. The appropriateness and application range of the given control law are defined. The design procedure used in practice for indirect determination parameters of the total gas temperature upstream the compressor turbine by measured parameters for one of turboshaft aircraft engines, which are developed by JSC "Motor Sich", is described.

Key words: turboshaft engine, warm temperature of ambient air, power, gas temperature, law of control, indirect determination.