7.1概述 功用:保证发动机正常工作的所需的“神经”系统组成:主要有滑油、起动、燃油与调节系统,以及保证它们正常运行的传动系统。有的机种还有喷水、冷却系统等。(为防内容重复,本章主要介绍滑油、传动系统) 7.2滑油系统

发动机总体结构通常可分为转子、静子与附件及其传动三大部份。发动 机(转子)的支承就是指转子向静子传递负荷的必经的关键部位,也是发动机 的最薄弱环节之一。显然,它的布局(方案)对发动机总体结构至关重要

5.1燃烧室 (本节应注意与燃烧课程的协调,避免重复) 5.1.1概述 (1)功用:将燃的化学能转换成气体的热能并加热到涡轮前允许的温度。 (2)燃烧环境:

3.1概述 (1)功用 利用涡轮传来的旋转机械功,提高流过气体的压力,以提供发动机工作时所需要的压缩空气。 (2)结构形式 1 按气体流动方向

由结构完整性计划看出,载荷与载荷谱的确定是实现计划的首要条件。 2.1载荷、载荷谱及其在结构设计中的作用 2.1.1静载荷是发动机结构静强度设计的基础

1.1基本类型 1.1.1活塞式+螺旋桨 汽油机等容循环(OTTO循环) 柴油机—等压循环(Disel循环) 做功特点: (1)进气量小 (2)各冲(过)程在同一汽缸内按序完成(个体作业”)→功率(生产率)受限

Was sind,, Axiome: eigentlich Behauptungen. Wenn es gelingt, aus einer beschrankten Anzahl solcher Axiome\ einen in sich abgeschlosse- nen Bereich des Denkens zu schaffen( in der Philosophie und in etwas erzwungener Form auch in der Informatik als Onthologie-die Lehre des,,Seins\ bezeichnet). Dann kann man in diesem Bereich im Rahmen der Axiome ,spazieren denken\ Ein Beispiel hierfur ist die analytische

Chapter 1 Aerodynamics: Some Introductory Thoughts The term \aerodynamics\is generally used for problems arising from flight and other topics involving the flow of air. Ludwig Prandtl, 1949 Aerodynamics: The dynamics of gases, especially of atmospheric interactions with moving objects. The American Heritage Dictionary of English Language, 1969

Chapter 2 Aerodynamics: Some Fundamental Principles and Equations There is so great a difference between a fluid and a collection of solid particles that the laws of pressure and of equilibrium of fluids are very different from the laws of the pressure and equilibrium of solids Jean Le Rond d' Alembert, 1768

Chapter 3 Fundamentals of Inviscid, incompressible Flow Theoretical fluid dynamics, being a difficult subject, is for convenience, commonly divided into two branches, one treating frictionless or perfect fluids, the other treating of viscous or imperfect fluids. The frictionles fluid has no existence in nature, but is hypothesized by mathematicians in order to facilitate the investigation of important laws and principles that may be approximately true of viscous or natural fluids