EXPERIMENTAL ANALYSIS OF AUTOMOBILE CABIN TEMPERATURE VARIATION WITH DIFFERENT SUN SHADES FOR ITS WINDOWS AND REAR WIND SCREEN GLASSESM. ASHOK, N. SHENBAGAVINYAGAMOORTHI, NEELAKRISHNAN AND S.V. SARAVANANAbstract In this paper, the temperature variations inside a passenger cabin of an automobile parked in the open sun with different sun shades for its window were analyzed. The car door windows and rear wind screen glasses account for nearly 30% of the total heat gain area. These glasses are given shades having different percentage of heat transmittance and the temperature variations for a period of time of the day is recorded corresponding to the ambient temperature. The analysis reveals that cloth curtain as sunshade significantly reduces the cabin temperature. This analysis will be helpful in deciding on the material to cover the window glasses so as to reduce the car air conditioner load which in turn helps to improve the mileage of the automotive.
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