JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2014, Vol. 44 ›› Issue (4): 76-83.doi: 10.6040/j.issn.1672-3961.0.2014.006

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The analysis and testing of thermal performance on solar evacuated tube

ZHANG Tao1, HAN Jitian1, YAN Suying2, YU Zeting1, ZHOU Ran1   

  1. 1. School of Energy and Power Engineering, Shandong University, Jinan 250061, Shandong, China;
    2. College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia Municipality, China
  • Received:2014-01-06 Revised:2014-05-08 Published:2014-01-06

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Abstract: The joint application test bench for solar-thermal photovoltaic was set up to study solar Kalina cycle. The analysis and testing of thermal performance on solar evacuated tube was carried out with methods of experimental and numerical simulation through the experiment platform of single tube solar water heater. The temperature and velocity field of single tube solar water heater were visible analyzed with field synergy principle. The study showed that the two dimensional numerical calculation model could accurately reflect the trend of all-glass evacuated tube solar water heater in the same conditions and the coefficient of field synergy on evacuated tube which was equipped with guide plate was superior to other structures. It was finally confirmed that the Φ58 mm×1 800 mm of solar evacuated tube equipped with reflector and guide plate was the best choice.

Key words: solar Kalina cycle, the single tube solar water heater, strengthen heat transfer, field synergy principle, experimental study, numerical simulation

CLC Number: 

  • TK515
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