An Experimental Investigation of Thermal Performance of Solar Air Heater with ‘W’ Wire Mesh
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 11
Abstract
Solar air heater is one of the most valuable heat sources with variety of applications such as space heating, industrial process heating and drying of fruits and vegetables etc. Needless to say that it is a renewable and pollution free method to produce space heating and when is used in commercial buildings or industries could be very cost effective. The solar air heating is a technology in which the radiant energy emitted by the sun is captured in an absorber plate and is used for space heating. Improvement in the thermal performance of a solar air heater can be done by enhancing the heat transfer. Providing an artificial roughness on a heat transferring surface is one of the methods for effective passive heat transfer, the other is to introduce the copper wire mesh screen matrix to enhance the rate of heat transfer by passing the fluid through it. Conventionally, flat plate collectors are used but several modifications in design have been made in which a wire mesh absorber matrix collector is used instead of a flat plate collector. Our project deals with the utilization of solar energy by creating wshaped turbulator artificial roughness geometry on solar air heater using a copper wire mesh matrix collector. Our objective is to absorb the maximum possible solar radiations to heat the air for effective working of solar dryer. This heated air is then used in Forced convection active mixed mode type Solar dryer for drying of various agricultural products.
Authors and Affiliations
Madhav Durusoju, Chetan Goyal, Imran Sheikh, Akash Dongre, Lalit Marbate
Keywords
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