Enabling inter-cooker thermal performance comparison based on cooker opto-thermal ratio (COR)

Pranab J. Lahkar, Rajesh K. Bhamu and S.K. Samdarshi

Applied Energy, 2012, vol. 99, issue C, 495 pages

Abstract: This paper proposes a common performance parameter for different solar cooker types in place of different performance parameters hitherto being used for each type. The performance parameter called cooker opto-thermal ratio (COR) is based on the Hottel–Whillier–Bliss (HWB) equation and may be experimentally determined using a corresponding single step test procedure proposed here. The protocol for the test procedure has been formulated carefully so as to make it common for all cooker types. To establish its utility in inter-cooker comparison two cooker types viz. Box-type (BC) and concentrating type (CC) were tested initially. The mean value of cooker opto-thermal ratio for concentrating type and box type was found to be 0.155 and 0.136, respectively, clearly depicting the superior performance of concentrating type.

Keywords: Cooker opto-thermal ratio (COR); Box type cooker; Parabolic concentrator cooker; Thermal performance parameter (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (10)

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DOI: 10.1016/j.apenergy.2012.05.034

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