Abstract
This paper presents the theoretical analysis and performance investigation of a single, as well as double, glazed box-type solar cooker with or without reflectors. The mathematical model is developed using the heat balance analysis of the various components of the cooker. In the present analysis, the properties of cooking materials and the value of the overall heat loss coefficient are allowed to vary as a function of the absorber plate and food temperatures. The obtained thermal equations are solved on the computer using a stepwise solution which enabled the temperatures of the various elements of the cooker to be predicted. An optimization parametric study has been performed using several important parameters of the cooker. The effect of those parameters on the cooker performance was studied. The results of the theoretical investigation are compared with the experimental results available. The experimental results conform reasonably with the predicted values.
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