科研之友
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摘要
A simulation study to assess the performance of a renewable energy (solar-biomass) based single effect LiBr-water absorption chiller suitable for residential applications was conducted. The model took into account the characteristics of all the components of the system. Using Bangkok meteorological data and component specifications from manufacturers and other sources, the performances of solar collector, storage tank, biomass gasifier and boiler, and the absorption cooling system, as well as the overall system performance on a daily and monthly basis has been evaluated. The chiller and overall system coefficient of performances was found to be 0.7 and 0.55 respectively and the biomass (charcoal) consumption for 24 h operation was 24.44 kg/day. To validate the model formulation and its predictions, experimental observations of a similar system (same chiller size) were compared with the model results. The results of the study indicate that solar-biomass hybrid air conditioning for tropical locations for residential applications is feasible, and can replace conventional vapor compression systems, thus reducing the need for fossil fuel based energy systems for cooling purposes.
- 出版日期2010-9
