1. In the name of god

2. energy and exergy analysis of geothermal heat pump Supervisor : Dr. Ali Sarreshtehdari Student : Mohammad Kalami energy and exergy analysis of geothermal heat pump Supervisor : Dr. Ali Sarreshtehdari Student : Mohammad Kalami

3. Directory Geothermal Heat Pump introduction Geothermal energy Exergy analysis

4. introduction Limitation of fossil fuel No carbon emissions Relatively cheaply Control Temperature and humidity 4

5. v v Geothermal energy Magma Use of geothermal energy Heating (buildings,greenhouse,melting of snow,...) Power plant 5

6. 6 47° 42° 37° 42° 57° 52° 62° 67° 72° Range of temperatures in different regions of the United States

7. Geothermal heat pump 0°30°60°70°80° Depth 6ft 13ft 20ft 26ft 7

8. Heat Up to 80% of the cooling and heating needs of a building can readily come free from the constant temperature of the earth. We’re just moving it. Heating cooling 8

9. Heating and cooling systems Ground Loops Heat Pumps Heat Distribution Systems 9

10. Horizontal vertical closed Loop Geothermal Systems 10 Ground Loops

11. Open Loop Geothermal System 11

12. 12 Heat Pumps

13. 13 Heat Distribution Systems Air Water-to water unit Cold warm Hot water tank Water to air distribution system Water to water distribution systems 1 2 3

14. Exergy analysis of geothermal heat pump Exergy efficiency η= Exergy loss coefficient d = Exergy loss ratio λ = Thermodynamic perfect degree ε com = Exergy loss ΔE o x = Ʃ E o x in - Ʃ E o x out - Q o (1 - ) + W o in Exergy loss ΔE o x = Ʃ E o x in - Ʃ E o x out - Q o (1 - ) + W o in 14

15. 78 = ( - ) + ( 1 - ) = = = = = = = = 15

16. [1] Egg J., Clark H.B.;"Geothermal HVAC,Green Heating and Cooling", Copyright by The McGraw-Hill Companies, 2011,United States [2] Fan R., Jiang Y., Yao Y., Shiming D., Ma Z.;" A study on the performance of a geothermal heat exchanger under coupled heat conduction and groundwater advection", Energy 32,2007. [3] صنایع، سپهر و نیرومند، بهزاد؛" مدل سازي و بهينه سازي فني و اقتصادي پمپ گرمايي با مبدل زميني افقي"،ششمین همایش ملی انرژی،1386. [1] Egg J., Clark H.B.;"Geothermal HVAC,Green Heating and Cooling", Copyright by The McGraw-Hill Companies, 2011,United States [2] Fan R., Jiang Y., Yao Y., Shiming D., Ma Z.;" A study on the performance of a geothermal heat exchanger under coupled heat conduction and groundwater advection", Energy 32,2007. [3] صنایع، سپهر و نیرومند، بهزاد؛" مدل سازي و بهينه سازي فني و اقتصادي پمپ گرمايي با مبدل زميني افقي"،ششمین همایش ملی انرژی،1386. REFERENCES 16

17. Thank you for your attention The finest steel has to go through the hottest fire...