涡轮发动机

In order to deduce the engine control law during the helicopter autorotation, simulation was made to demonstrate the transient process of the engine when entering the helicopter autorotation condition using normal control law. Based on the existing control law, an improved law was brought forward by magnifying the differential gain of collective pitch "anticipator" and broadening the deceleration limitation.

为确定直升机自转下滑训练过程发动机的控制规律，分析了采用正常控制规律进入自转状态时涡轴发动机的变化过程，提出了在现有控制规律基础上增强动力涡轮转速控制模块中总矩"提前器"作用和适当放宽速率限制值的控制对策。

It is applied to all kinds of turbocharged or natural aspirator gas car and gas fuel (including natural gas and liqufied natural gas ) cars' engine, and shall provide excellent protection for engine no matter under general state, wretched temperatureand working situation.

可以广泛用于各类自然吸气及涡轮增压的汽油车辆和各类气体燃料车辆的发动机，无论在常规状态或恶劣温度和工况下都能为发动机提供卓越的保护。

To deal with the lack of fault samples in the fault detection of a Liquid Rocket Engine turbopump, a detection model based on one-class support vector machines was founded.

针对在火箭发动机涡轮泵的故障检测过程中缺乏故障样本的问题，应用单类支持向量机，为高速涡轮泵试车数据分析建立了一种新异类检测超球模型。

To improve the economy, larger bypass ratio has been adopted in the turbofan engine design, leading to a larger fan high, larger speed gap between HP and LP turbines, the meridian geometry of the engine will be excurvature at a high degree, which brings problem for the design of LP turbines, transition section between HP and LP turbines.

在现代高性能的航空涡扇发动机设计中，为了提高经济性，采用较大涵道比，导致风扇高度增加较大，高低压涡轮转速差距较大，高低压过渡段采用大子午扩张型线结构，给低压涡轮及过渡段气动设计带来较大的困难。

The big kahuna of the range is the Ford Mondeo XR5 Turbo ($41,990), which adds the bigger, brawnier turbo petrol engine, a sweet shifting 6-speed manual Getrag gearbox, and it gets a far more aggressive look with 18-inch alloy wheels and a sports body kit complete with rear spoiler, rear diffuser, and twin tail pipes.

该范围巨无霸的就是福特蒙迪欧XR5涡轮（41990美元），它增加了更大的，强壮涡轮增压汽油发动机，一甜转移6速手动格特拉克变速箱，并得到一英寸的合金车轮更积极寻求与18和体育健身包扩完成后扰流板，车尾和双尾管。

The engine has a low pressure compressor driven by a multi-stage turbine; the power to drive the turbine is derived from combustion of kerosine and liquid oxygen in a rocket-type combustion chamber.

这种发动机有一多级涡轮驱动的低压压气机；而驱动涡轮的功率是在火箭型燃烧室中燃烧煤油和液氧产生的。

An aircraft in which a turboprop is used.

涡轮螺旋桨飞机一种带涡轮螺旋桨发动机的飞行器

The latest "high bypass" turbofans, such as the Rolls-Royce Trent, push around nine times more air around the core of the engine than through it.

像 Rolls-Royce Trent这样最新型的高旁通比涡扇发动机，在涡轮四周流过的气体是通过涡轮气体的9倍。

Results show that the convergence is improved evidently.(3). The hybrid model which combines three-dimensional simulation in turbine and zero-dimensional simulation in the other engine components is built in the present paper after learning the zooming technique from NASA. The matching between components in a single-shaft turbojet engine after the turbine retrofitting is studied.

在对以上三种不同层次的数学模型及其解法进行了研究的基础上，鉴于NASA的部件一维仿真与总体零维仿真相结合的ZOOMING技术，本文采用将涡轮的全三维仿真与发动机总体的零维仿真相结合的方案，对某单轴涡喷发动机在涡轮改型后的匹配问题进行了研究。

In developed country, Nickel-base single crystal superalloy have been widely used as turbine blades and vanes of aero-engines and ground gas-turbine engines because their high-temperature properties are superior to those of polycrystalline nickel-base superalloy.

在发达国家，镍基单晶高温合金因其卓越的高温性能被广泛应用于航空发动机及地面燃气轮机的关键部件—涡轮转子叶片；在国内，某些发动机上亦开始使用单晶涡轮转子叶片。

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。