7/25/2019 Solar Cooling Course

1/46

A. A. Argiriou, University of Patras,

SOLAR COOL!"

Dr. Athanassios A. Argiriou

University of Patras, Dept. of Physics

7/25/2019 Solar Cooling Course

2/46

A. A. Argiriou, University of Patras,

#hy Solar Cooling

$ Dramatic increase of air conditioning since theearly %&ies

$ Cost of energy

$ ssues related to environmental pollution' Due to energy production

' Due to the use of C(C)s and *C(C)s

$ +atches demand ith source availa-ility

$ Crucial for improving life standards in developingcountries

7/25/2019 Solar Cooling Course

3/46

A. A. Argiriou, University of Patras,

hermal Comfort

/s that condition of mind that e0presses satisfaction ith thethermal environment1

Depends on may parameters2

+eteorological

Physiological 3 psychological

Clothing

etc

Conclusion2 Concept not easily4uantifia-le5

7/25/2019 Solar Cooling Course

4/46

A. A. Argiriou, University of Patras,

hermal Comfort ' AS*RA6 Approach

7/25/2019 Solar Cooling Course

5/46

A. A. Argiriou, University of Patras,

Underlying Physics

hermodynamics

7stLa2 he change of internal energy 8U9 of a system is e4ual

to the heat a-sor-ed 8:9, plus the e0ternal or; 8#9 done on the

system

#, : related to the changes the system e0periences hen going

from an initial to a final state

7/25/2019 Solar Cooling Course

6/46

A. A. Argiriou, University of Patras,

hermodynamic Cycle

p