Can the structure help prepare food

We chose to tackle the question, “Can the structure help prepare food?” Ananswer we came up with was to integrate a solar oven into the structure toreduce dependence on gas or electricity to cook food. What we propose isthe implementation of a hybrid solar oven, which utilizes solar radiation aswell as gas or electric-powered heating elements to supplement when solarradiation is lacking or to cook at a higher temperature (i.e. for roasting). The solar oven design is an insulated assembly consisting of an angledtempered glass top through which solar rays enter the oven and reflectorsthat focus radiation into the chamber. Solar ovens having only onereflector reach maximum temperatures of up to 150° C (300° F) but can cookat temperatures as low as 90°C (200° F). This, with the addition ofelectric heating elements, will allow for the preparation of any food justas with the use of a conventional oven. Since the optimum angle for theglass is the latitude of the location (Pullman’s latitude is 47° N) plus 10°,the angle for our oven top should be 57°. Since the rooftop is generallyangled to begin with, we determined the south-facing roof would be an ideallocation for the oven. For further optimization, the reflective panels aredesigned to change angle as the sun position changes. A photoelectric eyewill be used to determine the angle. A solar panel will power thephotoelectric eye and the movement of the panels. Incorporating a solaroven into the design of the building will help reduce the amount of energyrequired for cooking, hence contributing to our making the farm moresustainable. So, to answer the question of whether our structure can helpprepare food, we offer a resounding “Yes!”

Update on Tuesday, November 17, 2009 at 4:20PM by Jessica Fuller

INTUITIVE Rankings for STRUCTURE submissions through the lens of WATER:

Grade: -7

Rank: 16

Comments

[Todd Beyreuther]

Can the solar oven concept be scaled down to become a building component?

[Jennifer Johnston]

Yes, solar ovens can be made very simply and inexpensively. They can even be made using a cardboard box and plastic. There are now commercially sold hybrid solar ovens (http://www.sunbdcorp.com/order.php). They can be free-standing or incorporated into the walls of the structure (http://solarcooking.wikia.com/wiki/Solar_Wall_Oven). There are also many designs including parabolic and funnel types (http://www.solarcooking.org/plans/).
The design we depicted is much larger than we would expect would actually be implemented. It could definitely be scaled down to something more like an attached appliance (possibly a wall projection).

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