PJST 2 JUNE.pmd
نویسندگان
چکیده
The aim of this experimental work was to achieve improvement the thermal efficiency of LPG stove and to save fuel. Due to the shortage of petroleum resources and its high prices, it is the duty of each and every person to save it. Most of the families in rural areas use wood or cow-dung for cooking purposes but it is not possible in urban areas. In urban areas, 90% houses consume LPG, as its usage is effortless, time saving and less polluting. Porous medium combustion technique enhances the rate of heat transfer and improves combustion efficiency. In this paper, this technique was implemented to LPG stove. Further enhancing thermal efficiency and to minimize heat losses, the bottom base and the side of the mixing chamber were insulated. After insulating bottom base and sides of the mixing chamber of stove, the thermal efficiency value for conventional LPG stove increases from 49% to 54%. The thermal efficiency for insulated LPG stove filled with ball bearings was found to be 67%.
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