涡轮发动机

The parametric method is used in the process of turbine parts modeling and tip clearance analysis. Due to the complexity of the turbine parts, some characters are predigested. A simplify high pressure turbine tip clearance model is analyzed with the cyclic symmetry method.

针对涡轮部件的结构特点，进行了适当的简化，利用参数化设计思想建立了涡轮叶尖间隙计算模型，用循环对称的方法分析了某型发动机高压涡轮叶尖间隙在工作过程中变化的情况。

A turbojet engine used to drive an external propeller.

涡轮螺旋桨发动机一种用于推动外部螺旋桨的涡轮喷气式发动机

The reliabilitymethods of calculating the usage life by using the middle rank of incomp lete life data in the statistical field were introduced. The life of the engine gradually develop swith the increases of the reliability growth.

根据发动机短使用寿命这一特点，用威布尔分布模型描述此发动机涡轮叶片寿命分布，建立了发动机寿命可靠性模型，采用不完全寿命数据的中位秩法对发动机叶片寿命进行可靠性计算。

Presensitized plate, wipe-on plateA jet engine having a turbine-driven compressor and developing thrust from the exhaust of hot gases.

涡轮喷气发动机一种喷气式发动机，有一个涡轮推动的压气机，通过排出热气而产生推力

The turboprop engine is very much like the turbojet.

涡轮螺桨发动机与涡轮喷气发动机十分相似。

The vibration characteristics of an oxygen-turbopump rotor with a cantilever turbine disk of rocket engine have been studied on a rotating test rig.

在旋转试验器上研究了带悬臂涡轮盘火箭发动机氧涡轮泵转子的振动特性，并在此基础上完成了氧涡轮泵转子的高速动平衡试验。

The "A" model lacked both the belly turret and powered nose turret of later models, and it had supercharged engines rather than turbocharged engines, so the engine nacelles are round instead of the distinctive horizontal oval nacelles of the later turbocharged models.

的& A &模式的肚子都没有炮塔和供电鼻炮塔的模式后，它已增压发动机，而不是涡轮增压发动机，因此，引擎舱的一轮，而不是独特的横向椭圆舱的后来涡轮增压车型。

The types of jet engine, whether ram jet, pulsejet, rocket, gas turbine, turbo/ram jet or turbo-rocket,differ only in the way in which the 'thrust provider', orengine, supplies and converts the energy into powerfor flight.

不同类型的喷气发动机，无论冲压喷气、脉冲喷气、燃气轮机、涡轮/冲压喷气或者涡轮-火箭，其差别仅在于&推力提供者&即发动机供应能量并将能量转换成飞行动力的方式。

A jet engine having a turbine-driven compressor and developing thrust from the ''.

涡轮喷气发动机一种喷气式发动机，有一个涡轮推动的压气机，通过''。

The Derwent and Nene turbo-jet engines had world-wide military applications; the Dart turbo-propeller engine became world famous asthe power plant for the Vickers Viscount aircraft.

德温特&和&尼恩&涡轮喷气发动机获得了世界性军事应用；&达特&涡轮螺桨发动机作为维克斯公司&子爵飞机的动力装置而闻名于世。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。