Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
Angl._mova_za_pr._sp._Posibnuk_dlya_styd.2kyrsy...doc
Скачиваний:
0
Добавлен:
01.05.2025
Размер:
1.49 Mб
Скачать

Vocabulary

heat transfer перенос тепла

solid boundary надійний кордон

vapour, steam пара

absorb всотувати

waves хвилі

sink желоб

heat exchanger теплообмінник

shell, casing кожух

handle liquid працювати з рідиною

bundle пучок

tube handle важіль труби

annulus кільце, зазор, зубчасте колесо

із внутрішнім зачепленням

tube / pipe sheet полотно труби

Test

  1. Match the titles to the parts of the text:

1). Radiation.

2). A Method of Calculating Film Coefficients.

3). Two Mechanisms of Heat Transfer.

4). Shell-and-Tube Exchangers.

5). Double-Pipe Heat Exchangers.

A

B

C

D

E

  1. Match the notions to their definitions:

1. Conduction

a)turbulent transfer, the transfer of heat by a mixing process.

2. Convection

the b)transfer of heat by emission and

absorption of energy without

physical contact.

3.Radiation

c)a method of calculating film coefficient.

4.Heat-transfer coefficient

d)the transfer of heat by molecular action.

1

2

3

4

  1. What statements are true or false:

1). Molecular ─ the transfer of heat by molecular action.

2). Turbulent ─ the transfer of water by a mixing process.

3). These two mechanisms can occur simultaneously or individually.

4). radiation depends upon electric waves as a means for transferring thermal energy.

5). A method of calculating film coefficients was proposed by Wilson for condensing vapors.

6) The simplest type of heat exchanger is the double-pipe heat exchanger as the basis for others.

1

2

3

4

5

6

4. Choose the right statement:

1). Rc = … resistance Rw = wall resistance Rd = scale or dirt resistance RL = liquid-side resistance.

a)concrete,

b)construction,

c) condensate.

2). The double-pipe heat exchanger is essentially two concentric pipes with one fluid flowing through the …pipe.

a) center,

b) additional,

c) side.

3). If the required area is too large, a double-pipe exchanger … .

a) have been recommended,

b) were recommended

c) is not recommended.

Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]