24-08-2013, 04:52 PM
SEMINAR ON SOLAR REFRIGRATOR
SOLAR REFRIGRATOR[.pptx (Size: 3.2 MB / Downloads: 110)
Introduction of solar energy
Solar energy is radiant energy that produced by sun.
Production of energy by nuclear fusion process in sun.
Nuclear fusion is a process in which two small nuclei combine to form a big nuclei in this process a huge amount of energy produced.
It is non-conventional source type energy.
Reflector
the reflector material is chromium coated aluminium sheet which had the highest reflectivity compared to other reflector materials (0.9-0.95).
Design of Electrolux system
condenser-A condenser is a heat exchanger in which de-superheating of high temperature vapour changes the phase from vapour to liquid and sub-cooling of condensate occurs.
Types of condenser-
1.Air cooled condenser
2.Water cooled condenser
3.Eaporative cooled condenser
Advantage of solar refrigerator
No moving parts.
No vibration or noise on small system.
Small systems can operate without electricity using only
Can make use of solar heat.