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Enhancement of Natural Circulation Type Domestic Solar Hot Water System Performance by using a Wind Turbine 被引量：1

Enhancement of Natural Circulation Type Domestic Solar Hot Water System Performance by using a Wind Turbine
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摘要 Performance improvement of existing 200 litres capacity natural convection type domestic solar hot water system is attempted.A two-stage centrifugal pump driven by a vertical axis windmill having Savonius type rotor is added to the fluid loop.The windmill driven pump circulates the water through the collector.The system with necessary instrumentation is tested over a day.Tests on Natural Circulation System(NCS)mode and Wind Assisted System(WAS)mode are carried out during January,April,July and October,2009.Test results of a clear day are reported.Daily average efficiency of 25-28% during NCS mode and 33-37% during WAS mode are obtained.With higher wind velocities,higher collector flow rates and hence higher efficiencies are obtained.In general,WAS mode provides improvements in efficiency when compared to NCS mode.
作者 K.K.Ramasamy PSS.Srinivasan
机构地区 Department of Mechanical Engineering Department of Mechanical Engineering
出处 《Journal of Thermal Science》 SCIE EI CAS CSCD 2011年第4期371-376,共6页 热科学学报（英文版）
关键词 Solar hot water system efficiency improvement windmill driven pump 太阳能热水系统 自然循环式 风力涡轮机 性能 家用 仪器测试 NCS 流体循环
分类号 TK513 [动力工程及工程热物理—热能工程]
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参考文献18

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Journal of Thermal Science
2011年 第4期

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