Solar Collection of Evacuated Tubes in a Residential Electrical Power System
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Publisher:The Ohio State University
Series/Report no.:The Ohio State University. Department of Mechanical Engineering Honors Theses; 2010
This report investigates the solar thermal collection process to be utilized in a residential Rankine Cycle power plant. The projected rise in fossil fuel prices due to increased emission standards, fossil fuel depletion, and increasing demand gives motivation for designing a new residential solar thermal power plant. Since utility scale solar thermal is the most cost effective method of solar power production, this report seeks to scale the technology down to a residential level. Between parabolic troughs, flat plat solar collectors, and evacuated tubes, the most optimal solar collection tool for residential applications is evacuated tubes. With Isobutane as a working fluid, this report will theoretically show that under sunny conditions a residential system can be designed to produce 10 kWh of electricity. Verification tests will be carried out to give evidence that the solar collection design can indeed deliver enough energy for 10 kWh to be produced. Initial tests show positive results even though the target temperature of 90 ˚C was not reached. The verification tests do not confirm the solar collection system entirely, but gives a positive outlook for future tests and development in the residential solar power plant.
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