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A Review to Enhance the Efficiency of Double Pass Solar Air Heater

, , and . International Journal on Recent and Innovation Trends in Computing and Communication, 3 (2): 712--715 (February 2015)
DOI: 10.17762/ijritcc2321-8169.150259

Abstract

Solar air heater is a most popular device in the space heating and industrial processes applications. But solar air heater has lower heat-transfer coefficient between the absorber plate and the air stream, which results in a lower thermal efficiency of the heater. The solar air heaters efficiency can be affected by various parameters such as collector length, number of channels, depth of channels, type of absorber plate, number and material of glass covers, air inlet temperature and air velocity. The effect of fins, Baffles and porous media on double pass solar air heater will measured by this research study. This aim is to analyze the thermal efficiency of double pass solar air heater and measured the effect of different type of media on the efficiency of it. The effects of major parameters temperature difference, air velocity, pressure difference, mass flow rate of the air has been observed for these perform study

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