Effect of Insulation on Heat Retention and Saving of Cooking Fuel for Heating Water

Every day in number of families in Maharashtra, water for bath is heated on the cooking gas from subsidized L. P. G cylinders. Various types of pots and kitchen utensils are used for this purpose. Generally water in the quantity of 3 to 5 liters is heated up to boiling for each person of the family. During the process of heating there is continues heat exchange between heating pot and its environment. This heat is absolutely waste. Here efforts were taken to provide the insulation to the pot and results of heat retention were taken. The retented heat is utilized to heat the water to save the cooking fuel. During present investigation, the pot of 5 liter capacity was heated on high burner and observed for results direct heating as well as with providing insulation to the pot. Cardboard covers of old note books were used for insulation to the pot. Estimation of the saving of cooking fuel and its cost in INR is calculated in present paper. The actual application of this methodology in kitchen may result in solution of energy crisis on large extent.