Vocabulary

mean средний to cause вызывать, заставлять

hence следовательно relative motion относительное дви- transformation process процесс пре- жение

образования varied различный, разнообразный ^to require требовать

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Section I. Power Engineering

Unit 13. Wave Energy

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comprehensive review всесторонний,

полный обзор to deploy размещать shoreline береговая линия in height по высоте to comprise включать to submerge погружать (под воду) incident wave падающая волна

to draw тащить

application применение

to hinge прикреплять

to envisage рассматривать

to complement дополнять

potable water питьевая вода

to swing качаться, раскачиваться

12) air chamber	10) промежуток времени
13) axial-flow turbine	11) воздушная камера
14) rectifying air valves	12) процесс преобразования
15) rectangular concrete box	13) поглощающая структура
16) device	14) длина по гребню (волны)
17) in comparison with	15) устройство
	16) осевая гидротурбина
	17) небольшая высота

EXERCISES

1. Give the Russian equivalents to the following word combinations from the text:

Find in the text the synonyms to the following words:

4. decrease

5. detailed 0 include

wave energy

wind speed

original solar power levels

wave energy converters

mean sea level

conventional low-head

hydroelectric generator

1. to transmit

2. quantity

3. space of time

3. Find in b) the Russian equivalents to

a)

1. water particles

2. wind speed

3. the length of time

4. transformation process

5. crest length

6. to extract

7. fluid pressure

8. interface

9. absorber

10. small height

11. submerged structure

• self-rectifying air turbine

• axial-flow turbine

• steel pendulum flap

• wave power generation

g) use

h) anticipate

the English words and word combinations in a).

b)

1. поверхность раздела

2. давление жидкости

3. поглотитель

4. частицы воды

5. по сравнению с

6. скорость ветра

7. прямоугольный бетонный ящик

8. извлекать

9. ректификационные воздуш­ные клапаны

4. Read the text above and say whether the following statements are true or false.

1. Wave energy can be considered as a concentrated form of lunar energy.

2. Energy is stored in waves as both potential energy and kinetic energy.

3. Power is concentrated at each stage in the transformation process.

4. Wave energy converters extract energy from the Earth and con­vert it to a more useful form, usually as fluid pressure or mechan­ical motion.

5. There are over 1000 patents for very varied designs of wave ener­gy converters.

6. Wave energy is mainly at the construction stage.

7. The water trapped in the reservoir flows back to the sea through a conventional collector.

h) Many energy and engineering companies are starting to show a growing interest in these technologies.

5. Answer the questions using the information from the text.

1. What is the process of wave forming?

2. What does the size of the resulting waves depend on?

3. What is the role of energy converters?

4. How many patents are there for very varied designs of wave ener­gy converter?

5. What stage is wave energy mainly at?

6. What can you say about tapered channel?

g) What is the difference between OWC and pivoting flap devices? h) When will wave energy start to play an increasingly important

role complementing other renewable and conventional energy technologies?

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Unit 13. Wave Energy

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6. Make up an outline of the text above and retell the text using it.

7. Discuss the future applications of wave energy. Use the following phrases and word combinations:

in my opinion to start with I believe

to my mind I think the thing is

the fact is as far as I know