Thermal Performance of Autoclaved Aerated Concrete (AAC) Box Type Solar Cooker

In many villages of our nation people are diverting towards LPG and gober gas for preparation of their food, still firewood is the basic fuel used for cooking purpose. There are several drawbacks of burning wood as fuel, such as it creates lot of smoke, clinkers, un-burnt carbon due to which carbon monoxide is liberated which is highly dangerous to living organisms this causes suffocation too. Also extensive cutting of trees, leading to deforestation increases pollution to large extent; depletion of ozone layer by increase in global warming is very harmful for environment. The main purpose of the present study is to develop low cost, eco-friendly solar cooker. Commercial solar cookers are costlier since made from high grade materials which a common man cannot afford. To overcome this problem an innovative low cost, eco-friendly autoclave aerated concrete (AAC) brick box type solar cooker with side loading arrangement is developed. It has been tested and parameters like efficiency, cooking power and figure of merits are evaluated. It is very difficult to calculate and analyze the thermal behavior of the side walls of different materials attached to each other. The study of composite materials thermal behavior is useful for the determination of heat transfer rate. These composite materials which can be implemented to many applications such as thermal Insulators, multiwall thermal protection systems, etc. In this study the thermal behavior of composites materials side wall of box type solar cooker is analyzed. The experimental test is carried out for finding heat loss coefficient of autoclave aerated concrete (AAC) brick box type solar cooker.