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Terms and Vocabulary

air valve

воздуховыпускной клапан

cavitation

кавитация

check valve

обратный клапан

control valve

распределительный клапан

flow control valve

дроссель, регулятор потока

repair

ремонт

excessive (pressure)

избыточное давление

expel (v)

исключать

operation

работа / процесс

collapsing

разрушающий

replacement

замена

pressure transient

неустановившееся давление / давление в

переходном режиме

release valve

выпускной клапан

reverse flow

обратный поток

relief valve

перепускной клапан

isolation (block) valve

стопорный (запорный) клапан

4. Find terms which are used with the following words.

Example: flow control valve

  • flow

  • valve

  • fluid

5. Compose collocations from the following words.

Example: fully developed

flow entrance velocity developed

region cross mechanic motion fully profile boundary

fluid section reverse layer

laminar turbulent

6. Match the definitions with the following terms.

Example: 11. laminar flow - G. a smooth flow of fluid in which no turbulence or cross flow of fluid particles occurs between adjacent stream line

1.

pipe flow

A.

the speed at which a fluid moves or passes through an object

2.

fluid

B.

nonlinear flow of a fluid, caused by high velocity

3.

flow

C.

a scale of pressure differences in which there is a uniform variation of pressure from point to point

4.

valve

D.

a pipe through which a fluid flows without completely filling the pipe

5.

velocity profile

E.

a pipe is completely filled with the fluid being transported

6.

shear stress

F.

a substance that flows and yields to any force tending to change its shape

7.

turbulent flow

G.

a smooth flow of fluid in which no turbulence or cross flow of fluid particles occurs between adjacent stream line

8.

fitting

H.

a current or stream of fluid

9.

open-channel flow

I.

a device used to control the rate of flow on a line to open or shut off a line completely or to serve as an automatic / semi-automatic safety device

10.

pressure gradient

J.

a smaller, standardized part (valve, gauge) installed in a larger part (device / apparatus)

11.

laminar flow

K.

force applied to a liquid to cause it to flow

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