Estimation of design parameters for thermal performance evaluation of box-type solar cooker

Subodh Kumar

Renewable Energy, 2005, vol. 30, issue 7, 1117-1126

Abstract: The paper presents a simple test procedure for determination of design parameters to predict the thermal performance of a box-type solar cooker. A series of out-door experiments were performed on the double-glazed solar cooker of aperture area 0.245m2 with a fibre body to obtain two figures of merit, F1 and F2. The necessary design parameters—optical efficiency, F′ηo and heat capacity, (MC)′ of the cooker are calculated using the linear regression analysis of experimental F2 data for different load of water. Based on the experimental results, a correlation for F2 as a function of quantity of water (load) is proposed. The close agreement between experimental and calculated F2 indicates the validity of the correlation. The proposed procedure is then applied to predict the heating characteristic curves of the solar cooker for different load of water. The predicted heating characteristic curves are validated by comparing with the experimental data from a series of cooker testing experiments. The results of present study reveal that F′ηo and (MC)′ are the critical design parameters required for the prediction of thermal performance of the solar cooker.

Keywords: Box-type solar cooker; F2 tests; Optical efficiency; Heat capacity; Heating characteristic curves (search for similar items in EconPapers)
Date: 2005
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Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:30:y:2005:i:7:p:1117-1126

DOI: 10.1016/j.renene.2004.09.004

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