Abstract

Aircraft environmental control system uses the engine compressor air source in general, through the air compressor air conditioning and pressure regulation, and then sent bleed air into the cockpit and equipment cabin. This kind of system is Known as bleed-air environment control system. The system requires an air bleed from the engine compressor, which can adversely affect the performance of the engine: as the air intake increases, the effective power of the engine decreases and the actual thrust is reduced. To enhance the performance of the engine, should try to reduce the amount of bleed air. Based on Flowmaster, the environmental control system of a certain type of aircraft is simulated and the bleed air volume is reduced through the optimal design, which can provide some reference for the modification of the environmental control system of aircraft.

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