Author(s):

AJ Dere, SR Kalbande and AJ Dhondge

Abstract: The Solar Fresnel lens system was designed and developed at Department of Unconventional Energy Sources & Electrical Engineering, Dr. PDKV, Akola. The dual axis Fresnel lens solar concentrator (FLSC) system was integrated with dual axis control panel system, lens, heat exchanger, cooking pot with fluid pipe network and insulation. The study on dual axis solar Fresnel lens system was conducted for cooking application. The effect of parameter viz., flow rate, focal length and oil type was studied for water temperature in cooking pot. Selected oil flow rate range were 0.5, 1 and 1.5 lpm, Focal length of the lens were 1450, 1650 and 1850 mm and oil type were 66, 68 and 15W40, respectively. The food material like tea, rice, eggs, mung dal, tur dal and chicken were cooked in the system took 20, 25, 30, 45, 60 and 75 min, respectively for complete cooking. Based on optimized parameter maximum cooking pot efficiency, temperature of oil and temperature of water in cooking pot were found to be 25.50 per cent, 108.60 ⁰C and 102.261 ⁰C, respectively.

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