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Burch, Jay; Hillman, Tim. Cold-climate solar domestic water heating systems: life-cycle analyses and opportunities for cost reduction. 2005 SOLAR WORLD CONGRESS, 2005, Orlando, Flórida.
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Dados do autor na base InfoHab:
Número de Trabalhos: 2 (Nenhum com arquivo PDF disponível)
Citações: 2
Índice h: 1  
Co-autores: 3

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Abstract

To determine if the goal of 50% reduction in the cost of saved energy (Csav) is attainable and prioritize research and development (R) for cold-climate solar domestic water heaters (SDWH), life-cycle analyses were done with hypothesized lower-cost components in glycol, drainback, and thermosiphon systems. Balance-of-system (BOS) measures include replacing conventional metal components with polymeric versions, and system simplification. With all BOS measures in place, Csav could be reduced just over 50% with a low-cost, selectively-coated, glazed polymeric collector, and slightly under 50% with either a conventional selective metal-glass or a non-selective glazed polymer collector. The largest percent reduction in Csav comes from replacing conventional pressurized solar storage tanks and metal heat exchangers with un-pressurized polymer tanks with immersed polymer heat exchangers, which could be developed with relatively low-risk R
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