0.1 Definition of a Turbomachine
Turbomachines are defined as all those devices in which energy is transferred to or froma continuously flowing fluid by the dynamic action of one or more moving blade rows. Theword “turbo” or “turbinis” is of Latin origin and implies that which spins or w...查看详细>>
标签:水轮机与水泵专业英语0.2.1 According to Power Conversion Directions
Two main categories of turbomachines are identified: firstly, those absorb power toincrease the fluid pressure or head (fans, compressors, and pumps); secondly, those producepower by expanding fluid to a lower pressure or head (wind, hydraulic, steam, and...查看详细>>
标签:水轮机与水泵专业英语0.2.2 According to Flow Paths
Turbomachines are further categorized according to the nature of the flow paths throughthe passages of the rotor. When the path of the through-flow is wholly or mainly parallel to theaxis of rotation, the device is termed an axial flow turbomachine [e.g.,...查看详细>>
标签:水轮机与水泵专业英语0.2.3 According to Pressure Changes
All turbomachines can be classified as either impulse or reaction machines according towhether pressure changes are absent or present in the flow through the rotor. In an impulsemachine all the pressure changes take place in one or more nozzles, the fluid...查看详细>>
标签:水轮机与水泵专业英语Questions
1. Define turbomachines.2. Classify turbomachines according to power, flow path and pressure changes....查看详细>>
标签:水轮机与水泵专业英语Reference
[1] S. L. Dixon and C. A. Hall. Fluid Mechanics and Thermodynamics of Turbomachinery[M]. 6th ed. Oxford: Butterworth-Heinemann, 2010....查看详细>>
标签:水轮机与水泵专业英语Important Words and Phrases
absent 缺少的axial flow 轴流;轴向流动axis of rotation 旋转轴;转动轴blade row 叶栅;叶片排category 种类;分类centrifugal compressor 离心式压缩机compressor 压缩机diffuser 扩散器;导轮draft tube 尾水管dynamic action 动力作用;动态作用enthalpy 焓e...查看详细>>
标签:水轮机与水泵专业英语1.1 Introduction
Hydraulic machine is a device in which mechanical energy is transferred from the liquidflowing through the machine to its operating member (runner, piston and others) or from theoperating member of the machine to the liquid flowing through it. Hydraulic m...查看详细>>
标签:水轮机与水泵专业英语1.2 Development History
The hydraulic turbine has a long period of development. Its oldest and simplest form isthe water wheel, which was firstly used in ancient Greece and subsequently adoptedthroughout medieval Europe for the grinding of grain, etc. It was a French engineer, B...查看详细>>
标签:水轮机与水泵专业英语1.3.1 According to the Direction of Flow through Runner
Tangential flow turbines: In this type of turbines, the water strikes the runner in thetangential direction to the wheel. Example: Pelton wheel turbine (Fig.1.2).Fig.1.2 A simplified Pelton turbineRadial flow turbines: In this type of turbines, the water ...查看详细>>
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