查询词典 turbine

Shell Aviation specially developed AeroShell Turbine Oil 555 lubricant for Rolls Royce for use in supersonic transport.

这种航空润滑油是壳牌航空为罗尔斯·罗易斯公司生产的超音速飞机发动机专门研制的。

Based on the example of turbine reverse engineering , the general procedure that can be used to translate the physical object into CAD datum by Surfacer software is determined in this paper1 By going deep into the vector of point-cloud , it's parametrization can be gained by adopting the precept of accumulating chordal parametrization1 According to the principle of const ructing curve using the least square method , the high quality-curve can be gained by modifying curve's parameter1 This paper also empha2sizes on some methods about processing point-cloud , const ructing curve and const ructing surface1 And it can provide several methods to const ruct high quality2CAD model for mould machining1

此栏目为免费论文，可自行复制获取，如需要其他完整论文，可点击论文范文查找摘要本文就涡轮反求造型的实例，采用Surfacer 软件规划出由实物转化为工程CAD 资料的一般流程。在深入分析点云数据的矢量方向基础上，采用积累弦长参数化方案实现点云的参数化；根据最小二乘法曲线拟合原理，修改曲线参数获得高品质曲线；并重点论述了点云处理、曲线生成、建构曲面的方法，为模具加工提供了建构高品质CAD 模型的有效途径。

For this, the United States is implementing a multipurpose, economy in the round but susceptive is advanced turbine engine plan.

为此，美国正在全面实施一项多用途、经济可承受的先进涡轮发动机计划。

In the research of advanced key techniques, the technique of nano-catalyst is developed and tested according to the requirement for the catalytic flame stablizer gas turbine and the related reaction model wil be fully construced. In the aspect of hydrogen shift and separation process, we are going to probe into various operating parameters for the water shift reaction and the membrane reactor alread constructed. Also, the high efficiency DPMS-based hydrogen shift and separation system that carry out both water gas shift and pressure swing absorption will be tested. The main task this year is to construct the proto-type clean hybrid power generation system.

前瞻关键技术研究方面，奈米触媒制备技术将依触媒驻焰气涡轮引擎之需求进行开发与测试，并建立相关反应模式；气化合成气转化与分离技术部分，将进行已建立水气转移反应与薄膜反应器之各项操作参数探讨，并进行以双孔径分子筛为担体，附加水气转移反应与变压吸附分离所建立之高效率分离富集H2方法之系统实测。

In this paper,the performance of the turbine flow transducer under the swirl flow is studied,both in theory and experiment.

本文对涡轮流量传感器在旋转来流中的特性进行了理论和实验研究。

According to the configuration of the wind turbine and it's movement feature, a system of four coordinates is established.

根据风力机系统的结构形式、运动特点和计算需要，建立了一个四坐标系系统。

Wind turbine ; load calculation ; the system of coordinates

风力机；载荷计算；坐标系

Based on the analysis of theories, methods and problems about many kinds of PD monitoring and fault diagnosis ES in China and foreign countries, a combination scheme about PD on-line monitoring and diagnostic system of large turbine generators was put forward to supply the technical base for the reliable running of generators.

在分析总结了国内外发电机局部放电监测与故障诊断专家系统的理论与技术以及存在的问题后，提出了大型汽轮发电机局部放电在线监测与诊断系统的组合解决方案，为实现发电机的可靠运行提供了技术基础。

After the characteristics and development of excitation system of synchronous generators are analyzed, micro-computer regulating theory of excitation system is discussed, this dissertation presents a scheme of designing excitation system with Programmable Computer Controller and IGBT, and PCC IGBT excitation system of turbine generator is also developed according to the above mentioned.

本文在全面分析同步发电机微机励磁装置特点及发展现状的基础上，论述了微机励磁调节的原理，提出基于可编程计算机控制器控制的绝缘栅双极晶体管励磁系统的设计方法，并在此基础上开发了基于PCC控制的水轮发电机IGBT励磁系统。

Taking into the feature of computer computing method, using Stress solution of elasticity theory and according to different method of solving of system of second order ordinary differential equations , this article provides two numerical value computing method as for the stress and deformation of the turbine impeller which is within the scope of elasticity .

从计算机计算的特点出发，采用应力法，根据二阶常微分方程组的不同解法，给出了透平机叶轮在弹性范围内应力和变形计算的两种数值计算方法。

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。