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为研究内燃波转子技术提高燃气涡轮发动机性能变化规律,建立内燃波转子燃气涡轮发动机热力循环分析模型,开展内燃波转子通道出口气流马赫数、压气机压比等参数变化对燃气涡轮发动机性能的影响研究,探讨了内燃波转子燃气涡轮发动机热力循环状态参数变化规律.研究结果表明:当压气机压比等于3.6时,发动机比推力和热循环总效率最大提高23.709%,耗油率最大减少19.165%;当通道出口气流马赫数等于0.6时,发动机比推力最大增幅达23.736%,此时压气机压比为4.4、发动机热循环总效率32.216%和耗油率减少24.366%,熵增减少7.864%,验证了内燃波转子技术能够提高燃气涡轮发动机总体性能.研究结果为深入开展内燃波转子燃气涡轮发动机基础理论和关键技术研究奠定基础.
In order to study the internal combustion wave rotor technology to improve the performance of gas turbine engine performance changes, the establishment of internal combustion rotor gas turbine engine thermodynamic cycle analysis model to carry out the internal combustion rotor channel exit airflow Mach number, compressor pressure ratio and other parameters on the gas turbine engine performance The results show that when the pressure ratio of the compressor is equal to 3.6, the maximum specific thrust of the engine and the thermal cycle are increased by 23.709% and the maximum fuel consumption is reduced by 19.165% ; When the Mach number of outlet air flow equals to 0.6, the maximum specific thrust of engine increases by 23.736%, the compressor pressure ratio is 4.4, the total thermal cycle efficiency of engine is 32.216%, the fuel consumption rate is reduced by 24.366% and the entropy increase is 7.864% It is verified that the internal combustion rotor technology can improve the overall performance of the gas turbine engine.The research results lay a foundation for further research on the basic theory and key technologies of the internal combustion rotor gas turbine engine.