论文部分内容阅读
从热力学、气体动力学和发动机基本原理出发,对基于流量法的齿轮传动涡扇发动机动态性能建模技术展开了研究,并推导出了基于流量法的齿轮传动涡扇发动机动态数学模型的求解方程组.基于该模型方程组,利用C++面向对象编程语言,建立起了某齿轮传动涡扇发动机的动态模型.该发动机动态模型与著名的商业化发动机性能计算软件Gasturb 10进行的比对显示:该模型的运算结果与Gasturb 10的运算结果具有良好的一致性,最大误差不大于1.5%.证明了基于流量法的齿轮传动涡扇发动机动态数学模型求解方程组的正确性和适用性.
Based on the principles of thermodynamics, gas dynamics and engine, the dynamic performance modeling of gear-driven turbofan engine based on flow method is studied and the equation of dynamic mathematical model of gear-driven turbofan engine based on flow method is derived Based on the model equations, a dynamic model of a gear-driven turbofan engine is built using the C ++ object-oriented programming language.The comparison of the engine dynamic model with the well-known commercialized engine performance calculation software Gasturb 10 shows that the The results of the model are in good agreement with those of Gasturb 10, and the maximum error is less than 1.5%. The correctness and applicability of the dynamic mathematical model of gear-driven turbofan engine based on flow method are proved.