EXPERIMENTAL AND COMPARATIVE STUDY OF TWO SOLAR COOKERS: BOX COOKER AND PARABOLIC COOKER
DOI:
https://doi.org/10.11113/aej.v15.22908Keywords:
Solar cooker, Efficiency, Temperature, cooking power, boiling timeAbstract
The aim of this work is to experiment and compare the operation of two solar cookers, namely a parabolic solar cooker and a box solar cooker in order to encourage the population to use solar thermal equipment. For this purpose a parabolic cooker fitted with a mirror as a reflector and a box cooker were created. These two sensors are tested under the same conditions following the international standard procedure for testing solar cookers and reporting performance. Under a solar flux varying between 250 W/m2 and 1009.78 W/m2, the maximum water temperature is 108.87°C and 98.02°C at the parabolic cooker and the box cooker, respectively. The parabolic cooker has a standardized cooking power than the box cooker. The specific boiling time is 0.41 h.m2.Kg-1 and 0.54 h.m2.Kg-1 for the parabolic cooker and the box cooker respectively. The output of the parabolic cooker is higher than the canned one in the morning. The two efficiencies decrease as a function of time and in the evening the efficiency of the parabolic collector becomes lower compared to that of the box cooker. In view of these results, solar cookers can be used in our climate zone to meet certain cooking energy needs.
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