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h6. Members: Kaitlyn Hoffman, Colleen Lee and Nathan Ghabour
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This  semester, the small solar oven sub-team set out to build a compact and  lightweight solar box cooker for use in the Ithaca climate.  In addition  to promoting the solar oven project at Cornell, we wanted to promote  the sustainable solar cooking technology in Ithaca, given the resounding  interest in environmentalism throughout the community.  However,  traditional box cookers constructed by the ESW teams have been designed  for nearly vertical incident solar radiation characteristic of tropical  climates, namely Nicaragua - and are not overly mobile.  In order to  have a functional oven available for demonstration at Cornell, we had to  decide on a design with an angled window to accommodate for solar  elevation, as shown below.  The smaller oven built last semester will be tested with a Fresnel lens increasing the working insolation of the cooker.  Testing of a heat sink or storage container to be added to the cookers for stabilizing the heat release was begun in the fall and will be completed this spring.  The idea is to understand the affect of adding a thermal mass to the cooker.
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Small Box Cooker Final Report Spring 2013

Final Presentation

For More Information:

Small Box Cooker Report Fall 2012

Smaller Box Cooker Final Report Spring 2012

Smaller Cooker Proposals Spring 2012

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Cocoa Bean Dryer and Roaster

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Members: Kevin Keene, Blake Berger, Sam McDermott, Biniam Gared and Caroline foody
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Cameroon is the 4th largest producer of cocoa beans.  The harvest is during the rainy season.  Drying and roasting the beans is typically done with wood fires making the resultant cocoa taste somewhat smoky.  This project is to develop a drying and roasting system that will not result in smoky flavored cocoa.