查询词典 turbine-driven

The function of air ejector: The air in the shell must be extracted by air ejector since the commencement of condenser due to the vacuum condition for condenser. During the operation of condenser, the air carried by exhaust steam of steam turbine and the air leaked from imperfect vacuum system must be continuously extracted so as to maintain the condenser vacuum.

抽气器的作用：由于凝汽器处于真空条件下工作，所以在凝汽器开始运行时，必须要用抽气器将其壳体内的空气抽出以建立真空；并在凝汽器运行过程中，将汽轮机排汽中夹带的空气和从真空系统不严密处漏入的空气不断抽出，以维持凝汽器的真空。

The effects of various correction elements and regulation parameters on the reheat steam turbine and their regularity have been discussed in detail according to a dynamic analogy test of the power-frequency electro-hydraulic control equipment for reheat steam turbines.

在中间再过热汽轮机功—频电液调节装置动态模拟试验的基础上，本文着重探讨电液调节装置的各校正元件、各调节参数对中间再过热汽轮机的影响及其规律性，并提出主要调节参数的合理范围。

The numerical calculation method is adopted to study the energy characteristics of axial-flow turbine.

采用数值计算方法研究轴流式水轮机的能量特性。

Numerical simulations on the quasi-steady and unsteady flow in Aachen 1-1/2 Axial-Flow turbine stages are performed in this paper, and the influences of the rotor-stator interaction on the fluctuating velocity, flow angle, wall-pressure and loss mechanism are discussed.

本文对Aachen一级半轴流式透平进行了准定常及非定常流动的数值模拟，讨论了引发动静干涉效应的主要因素，分析了非定常效应对叶栅通道中脉动速度、气流角、型面压力分布以及损失结构的影响。

This paper describes a theoretical two-dimension investigation on the aerodynamics performance of a self-rectifying axial-flow Wells turbine , a device extracting energy from reciprocation air.

文中利用二维模型分析了威尔斯透平的气动力性能，并以此为基础，设计并研制了多用途吸风式稳态透平试验台。

Due to the luck capability in the floating-point operation of PCC, the interpolation method most compatible with the axial-flow adjustable-blade water turbine collaboration can be confirmed, compared with the other collaboration interpolation method. The method is improved on the basis of regular linearity interpolation. It increases the precision of interpolation and rapidity of operation.

2：针对PCC浮点运算能力不够强的特点，通过对比多种协联插值方法，寻找出适合在轴流转桨式水轮机协联运行中运用的插值方法，该方法在常规线性插值的基础上进行了改进，做到了在提高插值精度的同时，又兼顾了一个较快的运算速度。

ZA alloy is based on Zn and composed of Al, Cu, Mg added as alloying elements. It is a kindof environmental friendly material that possesses characteristics of high strength, better plasticity,excellent wear resisting property, low friction coefficient and high specific strength, low meltingpoint and no magnetic. ZA alloy has been widely applicated in the fabrication of mechanical partsand models, such as bearing, axle sleeve, pressing plate and turbine. However, the joiningproblem of ZA alloy that hasnt been solved has limited its application in some fields.

ZA合金是以Zn为基，添加了Al、Cu、Mg等合金元素，具有强度高、塑性好、耐磨性优良、摩擦系数低及较高的比强度、低的熔点、无磁性等特点的环保材料，广泛应用于制造轴承、轴瓦、压板、涡轮等机械零件及模具等，但由于连接问题没有解决限制了ZA合金在一些领域的应用，也因此成为ZA合金急亟待解决的问题之一。

Hydraulic turbine ; Volute casing ; Base ring ; Cement foundation ; Optimal design

水轮机；蜗壳；座环；水泥基础；优化设计

An optimum design for the complex body formed together with the volute casing, base ring and cement foundation of a hydraulic turbine is made by the gradient method and a program is developed on the basis of finite element analysis with the plane and shell element, body element, boundary element and pseudo element.

本文对由水轮机蜗壳、座环和水泥基础所构成的复杂组合体，在采用板壳元、块体元、边界元和伪单元等四类单元进行有限元分析的基础上，选用最速下降法研究了优化设计过程，并编制成程序系统。

For Haiphong, Emerson's comprehensive PlantWeb solution includes deployment of the Ovation control system for data acquisition, as well as for monitoring and control of the sequence control system, furnace safeguard supervisory system, and electrical control system for all major plant components, including the boiler, turbine, flue gas desulphurization system and balance of plant processes.

对于Haiphong，艾默生全面的PlantWeb解决方案包括：Ovation控制系统的部署、为监测和控制的程序控制系统、熔炉保护监督系统和控制所有电厂设备的电气控制系统。这些设备包括锅炉、涡轮、废气脱硫系统和工厂平衡过程。

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。