1. HEAT PUMP: USING THE ENERGY OF THE EARTH Student: Elena Komovnikova Group: E4-42 Scientific adviser: Lavrov N. A. Language adviser: Bykovskaya L.I.

2. Contents What is a heat pump? Principle of operation Characteristics Typology Advantages

3. Refrigeration, cryogenics and life support systems subdepartment 3

4. What is a heat pump? Uses heat from air, earth or water; Provides an independent heating system; Operates without combustion; No harmful emissions, etc. 4

5. Principle of operation 1. Environmental energy is supplied; 2. Refrigerant gas is heated; 3. Energy is supplied to the heating circuit; 4. Refrigerant is cooled again. Fig.1 5

6. Characteristics Main indicators: 1. Power factor 2. Coefficient of performance 6

7. Power factor and coefficient of performance 7

8. Typology Vertical ground probes (Fig.2) Horizontal collectors (Fig.3) Fig.2 Fig.3 8

9. How ground sources work 9

10. Advantages Cost-effective way of heating houses; Combination of environmental and consumer comfort; Quiet operation. 10

11. Thank you !

12. Sources http://www.vaillant.ru/ http://www.igshpa.okstate.eu/ http://www.energysavers.gov/