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HEAT PUMP: USING THE ENERGY OF THE EARTH
Student: Elena KomovnikovaGroup: E4-42Scientific adviser: Lavrov N. A.
Language adviser: Bykovskaya L.I.
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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.
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Thank you !
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Sources
http://www.vaillant.ru/
http://www.igshpa.okstate.eu/
http://www.energysavers.gov/