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Granada06 Ed Pejack.pdf

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Title: Optical Properties of the CooKit Solar Cooker

Author: Dr. Ed Pejack, of the University of the Pacific

Date: July 2006 (Presented at the Solar Cookers and Food Processing International Conference in Granada, Spain)

Abstract: The CooKit is a solar cooker of the panel-cooker type that has been distributed and replicated widely. This paper reports on a study of the optical properties of the standard CooKit geometry, for a variety of solar altitudes and azimuth angles. A laser beam at known altitude and azimuth angles was directed at the cooker and covered the entire surface while maintaining a constant solar angle. The areas of the panels that resulted in reflection to the pot were then identified. The entire CooKit surface was then mapped as to which regions resulted in direct or secondary reflection to the pot, or in no reflection to the pot. Knowledge of the relative importance of various regions of the panels could conceivably be useful for guiding design changes to the basic CooKit design, determining the solar optical efficiency at various sun angles, or optimizing the panel geometry for minimum panel area.

Keywords: CooKit, optical, laser

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current08:36, February 25, 2007 (137 KB)Tom Sponheim (Talk | contribs)'''Title:''' Optical Properties of the CooKit Solar Cooker '''Author:''' Dr. Ed Pejack, of the University of the Pacific '''Date:''' July 2006 '''Abstract:''' The CooKit is a solar cooker of the panel-cooker type that has been distributed

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