查询词典 windmilling

Windmilling characteristics are one of the important performance indices to engine design and assessment. It is very difficult to accurately determine engine windmilling characteristics, in particular windmilling drag, for the windmilling state seriously deviates from the engine design point.

风车特性是航空发动机设计和考核的重要性能指标，由于风车状态严重偏离发动机的设计工作状态，因此很难准确确定发动机的风车特性尤其是风车阻力特性。

Firstly,based on the WR Sexton method,the method and mathematic models of supplementing the sub-idle rotating component characteristics is presented.Secondly,the turbofan windmilling high-low pressure rotor co-working equations and the whole engine co-working equations are established.lastly,a turbofan engine windmilling characteristics under various windmilling conditions are simulated and analyzed.

首先，基于不可压流理论，附以可压缩效应修正的指数法发展了补充慢车转速以下部件特性的计算模型和计算程序；其次，根据流量连续、压力平衡、功率平衡、燃烧室进出口总温相等及转速相等等约束条件建立了风车状态时涡扇发动机高低压转子及整机的共同工作方程；最后发展了具有一定计算精度的涡扇发动机风车状态特性计算模型和程序，并以某型涡扇发动机为例，计算分析了不同飞行条件下发动机的风车特性，从计算结果看，其趋势是合理的。

This paper described the mechanism of the aero-engine windmilling drag, and theoretically deduced the formula for determining it in the simulated altitude test, and finally the experimental method for determining the engine windmilling drag was introduced.

本文分析了航空发动机风车阻力的产生机理，推导了发动机高空台试验中风车阻力确定的计算公式，介绍了航空发动机风车阻力确定的试验方法。

You're in the batter's box when the 6-ft., 1 in. pitcher unleashes a bundle of blonde fury: whippet arm windmilling across the mound, ball screaming toward the plate at some 65 m.p.h. Because of the short, 40-ft. mound distance in softball, that's like trying to hit a 90 m.p.h. pitch in baseball. Swing and a miss.

当你在击球区看着一位六尺一英寸的投手释放出金色美女的激情：她轻盈的臂膀在投手土墩（mound：投手所站在的小高地）旋转，球以65英里/小时的速度呼啸着向垒板而来，因为垒球中土墩距离只有40英里，65英里/小时速度在棒球里相当于90英里/小时。

Pitcher unleashes a bundle of blonde fury: whippet arm windmilling across the mound, ball screaming toward the plate at some

芬奇，她那惊为天人的外表让她充斥在杂志的封面，成为垒球的象征。

He dangles wildly upside-down for a moment, arms windmilling, then gets his hands pressed firmly against the opposite wall. The rat scurries off, pissed.

他摇晃着、手臂挥动着倒挂了一会儿，然后用手使劲的抵住对面的墙，那老鼠匆匆地跑掉了。

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。

This paper has applieded the latest research achievements to model a turbofan engine windmilling performance.

借助涡扇发动机风车特性研究的最新成果，开展了某型涡扇发动机的风车性能数值模拟研究。

In this paper,a method for computing windmilling drag is described.

李特维诺夫提出的计算发动机风车特性的方法，计算了燃气涡轮发动机风车状态时的内阻力。

The estimation result of starting characteristics of certain turbofan under windmilling condi...

将仿真结果与试验数据和已有的部件级起动模型仿真结果进行了对比，验证了方法的正确性、可行性。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。