Abstract
AbstractThere are various ways of enhancing the thermal efficiency of an LPG gas stove like variation of gas pressure, varying loading weight or loading height. This paper deals with the improvement of the thermal efficiency of LPG gas stoves by varying the loading height. Loading height is defined as the distance between the burner top and the bottom surface of the vessel when the vessel is kept on the stove. The experiment was performed as prescribed by the Bureau of Indian Standard (BIS). It was found that with an increase in the loading height there was an increase in thermal efficiency up to the optimum loading height of 17.5 mm at which maximum thermal efficiency was achieved. Further increase in the loading height resulted in a decrease in the thermal efficiency. A mathematical analysis was carried, and a correlation is developed which is compared with the experimental results. The maximum efficiency achieved was comparable to the value predicted from correlation. Uncertainty analysis was also computed for the efficiency obtained.KeywordsGas stoveOptimum loading heightThermal efficiencyFlameCorrelationUncertainty analysis
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