航空发动机

National Key Laboratory on Aircraft Engines, School of Jet Propulsion,Beijing University of Aeronautics and Astronautics, Beijing 100191,China

北京航空航天大学能源与动力工程学院，航空发动机气动热力重点实验室，北京 100191

The material is especially suitable for manufacturing the skin of supersonic speed transport aircraft and aerospacepiston and components of aero-engine with the working temperature of 650-1000℃.

特别适合于制造超高音速运输飞机和航空航天飞机的蒙皮以及航空发动机工作温度为650-1000℃的部件。

The method of constructing arithmetic of oil system steady model for aero engine has been elaborated in this paper, which is based on the analyses of different parts characteristics that show monotone variation relationship and which introduces the notion "balanced calculation" to replace traditional iteration with vector calculus and various interpolation algorithms.

在分析滑油系统部附件的基础上，根据部附件特性单调变化的特点，提出了"平衡计算"的概念，应用向量运算方法和多种插值算法取代传统的迭代算法来构造航空发动机滑油系统稳态模型算法的思路和方法，并用该算法编制程序对发动机在海平面最大状态下滑油系统性能参数进行了验算。

With the aim of control pneumatic stability fault and ensure the safety and function of aero-engine,The method To survey and change The two pneumatic stability faults include speed lost and pant vibratility of aero-engine has been an important researchful subject matter.

如何对航空发动机失速和喘振这两类气动失稳进行测量、变换，以便对气动失稳进行控制，确保发动机安全和性能是当前国内外航空界的一项重要研究内容。

At the region of air ,for developing the fatigue strength and the using life of components , shot peening had been used for some important components , such as air engine vane、 undercarriage and aerofoil wainscot.

在航空领域，传统喷丸技术已经被广泛应用于一些重要零部件如航空发动机叶片、起落架和机翼壁板等的表面强化处理，以达到提高疲劳强度、延长零件使用寿命的目的。

In this paper, data mining techniques were introduced to investigate the test-driving database of WS9 aero-engines.

本文结合WS9发动机试车数据库，对航空发动机试车数据库的数据挖掘技术应用作了尝试性的研究。

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。

The widely used impellers and blisks are ones of the most important components in aero-engines.

广泛应用于航空发动机的整体叶轮是发动机的关键部件之一。

The terminological behavior of high carbon chromium molybdenum steel used for guide pin of delivery valve in aeroengine, as well as the production, constitution and microstructure of hard phases in this material has been studied.

高碳高铬钼合金钢(Cr18Mo16V)具有较高的耐磨性，成为航天、航空和石油化工装置中有关零部件的关键材料之一，而且需要量也越来越大，尤其是用于航空发动机供油系统阀体导销，更表现出了该材料的良好使用性能。

20Th century 80's, companies have developed 5 series of aero-engine turboprop and licensing micro Dongan Automotive Engine family of products, forming a combination of military and civilian product mix and a new management system.

进入20世纪80年代，公司相继研制开发了涡桨5系列航空发动机和东安牌微型汽车发动机系列产品，形成了军民结合的产品结构和新型管理体制。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。