About: Sun Buckets   Sponge Permalink

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Sun Buckets is a commercial enterprise started by students and faculty at the University of Illinois in Urbana, , USA. The company has taken on the the problem of storing solar thermal energy for use in cooking. First the Sun Bucket is heated in the sun. Then using the stored heat, cooking can be accomplished by users at any time of the day. Direct sunlight is not required for cooking, which is typical for most solar cookers. While have made advances in reducing fuel consumption, fuel collection and emissions are still a problem.

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  • Sun Buckets
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  • Sun Buckets is a commercial enterprise started by students and faculty at the University of Illinois in Urbana, , USA. The company has taken on the the problem of storing solar thermal energy for use in cooking. First the Sun Bucket is heated in the sun. Then using the stored heat, cooking can be accomplished by users at any time of the day. Direct sunlight is not required for cooking, which is typical for most solar cookers. While have made advances in reducing fuel consumption, fuel collection and emissions are still a problem.
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abstract
  • Sun Buckets is a commercial enterprise started by students and faculty at the University of Illinois in Urbana, , USA. The company has taken on the the problem of storing solar thermal energy for use in cooking. First the Sun Bucket is heated in the sun. Then using the stored heat, cooking can be accomplished by users at any time of the day. Direct sunlight is not required for cooking, which is typical for most solar cookers. While have made advances in reducing fuel consumption, fuel collection and emissions are still a problem. The Sun Bucket is a sealed container weighing approximately 10kg(22lbs) with a phase-changing latent heat storage material inside. The bucket is placed with a parabolic reflector in direct sunlight for a couple hours, charging the bucket with enough thermal energy for cooking use later in the day or even the next morning. The company reports the buckets may initially reach temperatures up to 400°C(750°F), and then will slowly cool. The bucket utilizes a top cooking plate of aluminum, on which standard cooking pots and pans may be placed. The developers feel there may be a business model where charged Sun Buckets could be delivered to households for daily use, and traded for the depleted unit. As of January 2017, the company is conducting final trial field testing, and plan to begin production of units.
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