Thermal analysis of pressurized and non-pressurized solar hot water systems for domestic applications
作者: R.S. Mishra
刊名: International Journal of Research in Engineering and Innovation, 2018, Vol.2 (1)
来源数据库: Meerut Institute of Technology
关键词: Natural convection solar hot water systemsPressurized and non-pressurized solar water heating systems
原始语种摘要: The numerical calculations for single pass natural convection pressurized solar hot water systems (using meander tube fluid flow channel absorber, serpentine tube fluid Flow collectors) and for non-pressurized thermosyphonic solar hot water systems using parallel tube absorber were performed. The experimental measurements on such modified non-reversible thermosyphonic systems were performed manually by noting thermosyphonic flow rate and temperatures at every half hour’ time interval. The theoretical results match well with experimental results. It was found that the systems of area 1.89 m2 with parallel tube absorber have average thermal efficiency of 40 % in the single pass and 27.5 % in the multi-pass modes. The system efficiency of meander tube absorber are 30 % in single pass mode...
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关键词翻译
关键词翻译
  • pressurized 增压的
  • absorber 吸收器
  • solar 太阳
  • water 
  • convection 对流
  • applications 应用程序
  • serpentine 蛇纹石
  • systems 系统科学与软件
  • collectors 集电器
  • manually 手控