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- FARNBOROUGH, England, July 13 -- FARNBOROUGH AIR SHOW -- Pratt &Whitney's Geared Turbofan engine will power Lufthansa's new Bombardier CSeries aircraft. 英格兰范堡罗，7月13日-范堡罗航空展-普拉特-惠特尼的齿轮传动涡扇发动机将为汉莎航空新的庞巴迪C系列飞机提供动力。
- Geared turbofan engine 齿轮传动涡轮风扇发动机
- A full-scale Geared Turbofan demonstrator engine recently completed a 250-hour ground test program and is scheduled for flight testing this month. 全尺寸的齿轮传动涡扇发动机验证机已经完成了250小时的地面试车项目，并且计划将在本月进行试飞。
- Power will be provided by a single turbofan engine. 电力将提供一个单一的涡扇发动机。
- But the geared turbofan and the open rotor are so different from each other that they will need different airframes. 但是齿轮传动涡扇发动机以及开放转子发动机之间如此巨大的差异使得他们将需要不同的飞机构型。
- The mathematical model of turbofan engine transient process with thrust vectoring nozzle was established. 建立带矢量喷管的涡扇发动机动态数学模型。
- The method was satisfactorily applied to the windmilling characteristics test of a turbofan engine. 该方法在某型涡扇发动机风车特性试验中得到了成功应用。
- The development and design features of the high bypass ratio turbofan engine in foreign are comprehensively summarized. 较为系统地总结了国外大涵道比涡扇发动机的研制特点和设计特点。
- Simulation results of LTR control for a turbofan engine show the effectiveness of the approach. 将此设计方法应用于某型涡扇发动机的LTR控制，取得了良好的控制效果。
- The new starting model can be applied to other turbofan engine"s starting processes" numerical simulation and design. 可以把这个起动模型应用到其它涡扇发动机的起动过程的模拟和设计中。
- The research of this paper is useful for improving design of turbofan engine control system. 本文的研究工作对 今后涡轮风扇发动机控制系统的设计改进是有一定的意义。
- The effects of thrust vectoring angle and angular velocity of vectoring on turbofan engine operation were investigated. 研究了矢量喷管偏转角和偏转角速度对涡扇发动机工作的影响。
- In this paper,the integrated flight/propulsion control system of a new fighter and its new turbofan engine are studied. 文中采用遗传算法实现了对PID参数的最佳整定。
- FSQP algorithm based multivariable optimal control method for the acceleration process of turbofan engine is developed. 提出了一种基于FSQP算法的涡扇发动机多变量最优加速控制方法。
- Finally one of the principia overall structure design of this kind of turbofan engine was worked out. 最后拟出了相应的发动机主体结构。
- A method for incorporating linear state inequality constraints in a Kalman filter is proposed and applied to turbofan engine health estimation. 提出了一种加入线性不等式约束的卡尔曼滤波方法,并用于涡扇发动机的健康状况估计。
- A fault diagnosis equation for the twin-spool mixed flow turbofan engine was established based on the simulation and gas path analysis. 并以此为基础运用气路分析原理,选取表征发动机性能参数变化的症兆变量和测量参数,建立了发动机故障诊断小偏差方程。
- In the end, a turbofan engine"s starting process with the new starting process model is simulated and the new model gives reasonable results. 最后利用建立的模型对某型涡扇发动机的起动过程进行了数值模拟,得到了合理准确的结果。
- The nozzle flow is composed of the main gas stream and the secondary air stream in order to simulate the nozzle of turbofan engine. 喷管中的气流由主流燃气和次流空气组成，用以模拟涡扇发动机的喷管。
- The application of the approach to establishing the small perturbation SVM for a turbofan engine shows its effectiveness. 应用该方法建立某型涡扇发动机的小偏差状态变量模型，具有较高的精度，从而验证了该方法的有效性。
