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Energy and Exergy Analysis of ETC Based Solar Air Dryer

Journal: International Research Journal of Advanced Engineering and Science (IRJAES) (Vol.1, No. 1)

Publication Date:

Authors : ; ; ;

Page : 17-24

Keywords : Evacuated tube collector; solar air dryer; Solar Radiation.;

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Most parts of India are blessed with an ample amount of sunshine, with around 300 sunny days per year and the peak value of solar radiations reaching as high as 800 W/m2 to 1000 W/m2. This indicates the potential use of solar radiations for direct thermal applications. Besides the availability of solar radiations resource, there are large energy consumptions in heating the fluid for their personnel use or for ample of application, due to large population and the crisis of energy in our world. The solar air dryer is the better substitute for heating the air and that dry air can be used for drying the wood as well the system can be used for heating water in the winter. On the basis of experimental study based on energy and exergy analyses of a typical solar air dryer it’s showed the result of first and the second law efficiencies are calculated with respect to the available solar radiation. It is found that the second law efficiency is much less than the first law efficiency irrespective of the mass flow rate of the circulating fluid. It is also found that both efficiencies are an increasing function with respect to the mass flow rate of the working fluid. For a particular day, it is also found that first and second law efficiencies fluctuate according to radiation.

Last modified: 2016-04-29 01:40:18