Design and Experimental Testing of Dish Type Solar Thermal Collector for Cooking Application
Résumé
Abstract Ethiopia is the country which use fossil fuel as main source of energy. About 83% people of the country live in countryside area and use fossil fuel as a source energy for both baking and cooking purpose. Among this 70% of the energy is used for baking injera which needs a high temperature in range of 180–220℃ in a control environment. Thus, substituting it by renewable energy is an admirable solution of the season. The thermal energy is collected using 2𝑚2 area parabolic dish collector to the heat transfer fluid through spiral copper coil absorber. The experimental setup is manufactured from locally available material. Leakage of fluid was difficult to control during experimental test. Instruments like thermocouple, infrared thermometer and Pyranometer are used in the experimental test. Thus, HTF is heated by parabolic dish collector at the absorber plate and attain up to a temperature of 253℃ and the average day thermal efficiency was around 51.44%.
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