查询词典 turbine

With the quotation of three pulse coefficients, the fluctuating turbine is regarded as isobaric turbine.

引入三个脉冲系数将脉冲涡轮按等压涡轮计算。

Each feed pump turbine is equipped with a set of turning gear to prevent kinetic and static friction while the turbine is being unevenly heated.

为此，在对珠海发电厂汽轮机盘车结构和工作原理介绍的基础上，探讨了2号机组B汽动给水泵汽轮机运行时盘车异常的原因，并提出了改进建议。

The analogue results obtained from the water turbine in Gezhouba have been used by the author in his evaluation of the vibration characteristic of turbine blade and a nomographic chart indicating the relationshi...

作者将葛洲坝水轮机叶片模态分析结果，应用到叶片振动特性的估价中，绘制了转速及其派生的频率，卡曼涡频率与叶片固有频率关系的诺模图，可供设计参考。

It is proved that the flow of silt-laden liquid is a separate flow, namely,the flow rate and flow angle of silt and liquid are nonidentical in hydraulic turbine. The greater the mass content of silt,the greater is their D-value. Moreover,it is point out that the efficiency of hydraulic turbine operated with ...

推证了含沙水流在水轮机中流动时，其沙子和液体的流动属于分离流动，即沙子和液体的运动速度和运动角是不相同的，且沙子质量越大，差值越大；并指出在水头相同时，水中含沙时水轮机的效率一般低于清水时的效率；进而分析了水轮机各过流部件的泥沙摩损规律。

How to decrease the overspeed while the steam turbine suddenly lose full load is one of the important problems to design the control system of the steam turbine.

如何降低甩负荷时汽轮机组的动态超速始终是汽轮机控制系统设计的重要任务之一。

The small size of the conventional micro/small gas turbine results in blade path of small dimensions for the conventional turbine. The small dimensions have a deleterious effect on component efficiency. In the APGC operating under ambient pressure, larger specific volume results in large dimension of blade path and higher component efficiency, and the higher overall thermal efficiency also.

由于传统的微型和小型燃机体积小，通流部分尺寸相对窄小，造成燃机元件的效率不高；而环境压力下吸热燃气轮机循环在低于环境压力下工作，因此，流经透平和压缩机的体积流量增加，提高了通流部分尺寸，有助于提高元件的内效率，进而提高装置的循环效率。

Some new method is presented in this paper: A. An Integrated parameters computation method to analysis asynchronous operation of the turbine generator is given, including the equivalence of short circuit and open circuit of field windings, deducing boundary condition of 〓 method and computing frequency parameters. B. A new memory structure for sparse complex matrix and a PCCG method based on it are introduced to save memory and computation time. C. An equivalent method of vacuum is presented, and effectively eliminate the effect of corner point and accelerate convergence of PCCG method. D. Coupling the computation of electromagnetic and temperature field is discussed and model for computing temperature field of the turbine generator rotor at asynchronous operation is built.

文中提出了以下新方法：(1)在失磁异步运行转子三维涡流场计算中提出了完整的参数计算方法，其中包括励磁绕组开、短路的等效，〓法边界条件的推导及频率参数的计算方法；(2)提出了铁心内空气域的等效方法，有效地解决了开槽引起的角点奇异问题，并提高了方程组的迭代收敛速度；(3)在〓法有限元模型中，创立了一种能节约内存、提高计算速度的压缩存储矩阵格式，并建立了基于该格式的方程组解法；(4)提出了涡流电磁场和温度场两种不同场计算的合理结合方法，建立了转子三维稳态和时变温度场的有限元计算模型。

A method of CNC turbine blade profile abrasive belt grinding is introduced based on optimum grinding effect, where the direction of the axis of trolley wheel is consistent with that of minimum principal curvature on the contact point of turbine blade. And the cutter location path is determined, and then the NC code is derived from post-processing.

根据接触轮轴线与叶片型面接触点处最小主曲率方向重合可以达到最好的切削效果，设计了叶片磨削加工过程的运动方式，以此计算出刀位轨迹并进行后置处理得到 NC 代码。

Because turbine based combined cycle has mature turbine technology, being contrasted with other types of combined cycle engines it has more attraction for hypersonic speed prolusion system.

美国、日本等国都在涡轮冲压组合发动机方面做出了重大的技术突破。

It has important significance and rangy applying prospect. Based on the theory of engineering thermodynamics, this paper profoundly analyzed the work theory of torpedo turbine engine and established the mathematics model of turbine engine.

本文以工程热力学为指导，在紧密剖析涡轮机工作原理的基础上，建立了轴流式部分进气纯冲动式复速级涡轮发动机的数学模型。

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。