HEAT PUMP: USING THE ENERGY OF THE EARTH

Student: Elena KomovnikovaGroup: E4-42Scientific adviser: Lavrov N. A.

Language adviser: Bykovskaya L.I.

Contents

• What is a heat pump?• Principle of operation• Characteristics • Typology• Advantages

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Refrigeration, cryogenics and life support systems subdepartment

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What is a heat pump?

• Uses heat from air, earth or water;• Provides an independent heating

system;• Operates without combustion;• No harmful emissions, etc.

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Principle of operation

1. Environmental energyis supplied;2. Refrigerant gas is heated;3. Energy is supplied to the heating circuit;4. Refrigerant is cooled again.

Fig.1

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Characteristics

Main indicators:1. Power factor2. Coefficient of performance

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Power factor and coefficient of performance

• Power factor, :

• Coefficient of performance, :

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Typology

• Vertical ground probes (Fig.2)• Horizontal collectors (Fig.3)

Fig.2 Fig.3

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How ground sources work

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Advantages

• Cost-effective way of heating houses;• Combination of environmental and consumer

comfort;• Quiet operation.

Thank you !

Sources

http://www.vaillant.ru/

http://www.igshpa.okstate.eu/

http://www.energysavers.gov/