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This article mainly is through the analysis aircraft engine on turbine disk key way unique feature, situations and so on processing craft, determined the design proposal, has completed the processing turbine disk key way horizontal-type broaching machine tongs design.

毕业论文字数：28301 页数：64 带图纸任务书阐明书）摘要：本文重要是通过火析航空发动机上的涡轮盘榫槽的结构特点，加工工艺等情形，断定设计方案，完成了加工涡轮盘榫槽的卧式拉床夹具的设计。

This article mainly is through the analysis aircraft engine on turbine disk key way unique feature, situations and so on processing craft, determined the design proposal, has completed the processing turbine disk key way horizontal-type broaching machine tongs design.

毕业论文字数：28301 页数：64 带图纸任务书说明书）摘要：本文主要是通过分析航空发动机上的涡轮盘榫槽的结构特点，加工工艺等情况，确定设计方案，完成了加工涡轮盘榫槽的卧式拉床夹具的设计。

Structure of aero- engine case under the effect of combined axial pressure and end twist;2. The integration of CAD parametric modeling,finite element method,classical strength calculation theory with modern optimal design techniques produces a complete and systematic design procedure for performing parametric optimal design of turbine disk, engine case and turbine shaft.

开发了基于大型有限元分析软件Ansys的燃气涡轮发动机辅助设计系统，该系统将CAD参数建模技术、工程有限元数值计算方法、经典强度计算理论与现代优化设计技术相结合，实现了涡轮盘、机匣和涡轮轴典型零件的参数优化设计的完整设计流程，建立了结构优化设计平台；并通过机匣的结构优化设计实例，验证了燃气涡轮发动机辅助设计系统的有效性。

This paper describes and compares 4 streamtube models (single-disk single-streamtube, double-disk single-streamtube, single-disk multi-streamtube and double-disk multi-streamtube models) based on the momentum theory for the hydrodynamic performance prediction of the vertical-axis variable-pitch turbine that may be employed to tap tidal stream energy resources, especially for the prediction of the overall turbine power coefficient.

以潮流发电水轮机的设计为研究背景，分析和总结了基于动量定理方法的四种流管模型(单盘面-单流管模型、双盘面-单流管模型、单盘面-多流管模型和双盘面-多流管模型)在竖轴变攻角水轮机的水动力性能计算中的应用，特别是能量利用率预报方面的应用。

Based on the simulation results, the region and the degree of cavitation occurred in the flow passage of the turbine with a low water level at the outlet of the draft tube are examined, the cavitation performance of the turbine is also evaluated.

根据模拟结果，考察了水轮机在低尾水位下运行时流道内空化发生的部位和程度，并对水轮机的空化性能进行了预估。

Sufficient propellants to drive the turbine are removed from the pump discharge, combusted in the gas generator, and expanded through the turbine to atmospheric pressure.

有足够的推进剂来驱动涡轮机是从泵的放电，燃烧，在燃气发生器，扩大通过汽轮机大气压力。

The RDF can also be converted into synthesis gas for combustion in a gas turbine or combusted in a waste heat boiler to generate steam for use in a steam turbine.

RDF 也可以转化为合成气体，用于在燃气涡轮机和废热锅炉中燃烧以生成用于蒸汽涡轮机的蒸汽。

Therefore, in this thesis, a new derived nonlinear dynamic mathematical model of a double extraction steam turbine is used for the certification of the feasibility of the linear one which is widely used, in steam turbine plants.

本文从工程应用的角度出发，较为全面地讨论了抽汽式汽轮机的动态性能和控制问题，同时对单元抽汽供热机组的协调控制系统设计进行了深入的理论研究。

The heat efficiency of the condensing steam turbine and the middle extraction steam turbine are analyzed by using heat economics and energy lever principles.

利用热经济学和能级原理对凝汽式汽轮机和中间抽汽式汽轮机的热效率进行了分析。

Keenan's Concept of "Lost Kilowatts", a loss in power generation due to steam extraction from the turbine for heat supply as its opportunity cost which plus the accouting cost special for heat supply will be its overall cost,furthermore, a study on how to assign the price of the lost kilowatts is proceeded, and three methods of assignment are put forward, namely to assign the price according to the average price of electricity within the power network in which the turbine gen...

Keenan所提出的&损失功率&的概念作为确定供热成本的基础，确认因供热抽汽而引起的作功不足少发电能为供热的机会成本，再加专为供热而消耗的会计成本即为供热的总成本，对因损失功率而少发的电能的定价进行了深入的探讨，提出了以本机组所在网中平均电价定价，以边际价格定价和以影子价格定价三种定价方法，并以实例计算进行分析、比较，得出以影子价格定价比较合理的结论。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。