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Investigation on the Performance of a Cylindrical Parabolic Concentrating Solar Water Heater

Affiliations

  • Department of Mechanical Engineering, Indian Institute of Technology (ISM), Dhanbad - 826004, Jharkhand, India

Abstract


Background/Objectives: The objectives of the present work are focused to investigate the theoretical heat gain, heat loss and instantaneous collector efficiency of cylindrical parabolic concentrating solar water heater over a clear day. Methods/Statistical Analysis: The performances of a cylindrical parabolic concentrating solar water heater fitted with copper absorber tube, using water as working fluid are investigated theoretically. The theoretical investigations are studied for water flow rates 0.1 kg/s and 0.15 kg/s between 8:0 h and 16:0 h over a sunny day. Findings: The theoretical results are showed that intensity of solar beam radiation with respect to time much more at noon than that calculated at 8:0 and 16:0 hours. Theoretical solar beam radiation data obtained are compared and validated with that of experimental based published data. The instantaneous efficiency, useful heat gain, hourly energy collected and heat loss are influenced by water mass flow rate. Application/Improvements: The theoretical study consumes less time than analytical and experimental studies. The initial capital investment is must to procure the experimental setup, whereas for theoretical work not required neither capital investment nor procurement process.

Keywords

Absorber Tube temperature, Heat Loss, Rate of Heat Gain, Solar Beam Radiation.

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References


  • Huang BJ, Wung TY, Nieh S. Thermal analysis of black liquid cylindrical parabolic collector. Solar Energy. 1979; 22(3):221–4.
  • Hamad FAW. The performance of a cylindrical parabolic solar concentrator. Energy Conversion and Management. 1988; 28(3):251–6.
  • Mullick SC, Nanda SK. An improved technique for computing the heat loss factor of a tubular absorber. Solar Energy. 1989; 42(1):1–7.
  • Cheng ZD, He YL, Xiao J, Tao YB, Xu RJ. Three-dimensional numerical study of heat transfer characteristics in the receiver tube of parabolic trough solar collector. International Communications in Heat and Mass Transfer. 2010; 37(7):782–7.
  • Kim Y, Han G, Seo T. An evaluation on thermal performance of CPC solar collector. International Communication in Heat and Mass Transfer. 2008; 35(4):446–57.
  • Eskin N. Transient performance analysis of cylindrical parabolic concentrating collectors comparison with experimental results. Energy Conversion and Management. 1999; 40(2):175–91.
  • Arasu AV, Sornakumar T. Design, manufacturing and testing of fiberglass reinforced parabola trough for parabolic trough solar collectors. Solar Energy. 2007; 81(10):1273–9.
  • Khanna S, Sharma V, Kadare SB, Singh S. Experimental investigation of the bending of absorber tube of solar parabolic trough concentrator and comparison with analytical results. Solar Energy. 2016; 125:1–11.
  • Ceylan I, Ergun A. Thermodynamic analysis of a new design of temperature controlled parabolic trough collector. Energy Conversion and Management. 2013; 74:505–10.
  • Ouagued M, Khellaf A, Loukarfi L. Estimations of the temperature, heat gain and heat loss by solar parabolic trough collector under Algerian climate using different thermal oils. Energy Conversion and Management. 2013; 75:191–201.
  • Kumaresa G, Sridhar R, Velraj R. Performance studies of a solar parabolic trough collector with a thermal energy storage system. Energy. 2012; 47:395–402.
  • Yassen TA. Experimental and theoretical study of a parabolic trough collector. Anbar Journal for Engineering Sciences. 2012; 5:109–24.
  • Cooper IP. The absorption of solar radiation in solar stills. Solar Energy. 1969; 12:3–10.
  • ASHRAE, Hand book of Fundamentals, American Society of Heating, Refrigerating and Air-Conditioning Engineers; 1972. p. 385–443.
  • Threlkeld JL, Jordan RC. Direct solar radiation available on clear days. ASHRAE Transactions. 1983; 64:45–51.
  • Garg HP, Prakash J. Solar energy fundamentals and applications. 1st ed. New Delhi: Tata McGraw-Hill Publishing Company Limited; 2000.
  • Shanmugan S, et al. Honeycomb encapsulated atmospheric solar collector along with single basin solar still in highly energy absorbing weather condition. Indian Journal of Science and Technology. 2016; 9–5.
  • Naderi M. Nano fluid in water as base fluid in flat-plate solar collectors with an emphasis on heat transfer. Indian Journal of Science and Technology. 2016; 9-31.

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