THE THERMAL MODEL OF A FLAT-PLATE SOLAR WATER-HEATING COLLECTOR

Author(s):  
R. R. Avezov ◽  
N. R. Avezova ◽  
E. Yu. Rakhimov
2014 ◽  
Vol 953-954 ◽  
pp. 111-114
Author(s):  
Sheng Xian Wei ◽  
Fen E Hu ◽  
Dong Yu Li ◽  
Hui Li

Based on the test methods for solar water heating systems, the unsteady thermal efficiency, the daily thermal efficiency and the daily water temperature rise of the balcony-type solar water heating system with a flat-plate solar collector fixed at a large tilt angle (≥60o) have been discussed by the experimental test in Kunming. The results indicate that the average daily thermal efficiencies of the solar collector installed at 60o, 70o, 80o and 90o are around 0.35, 0.39, 0.34 and 0.40. The intercept and the slope of the unsteady thermal efficiency equations are about 0.36~0.44 and 1.62~4.01W·°C-1·m-2. The average daily water temperature rise is 25.2°C, 20.1°C, 18.2°C and 17.4°C for the solar collector fixed at 60o, 70o, 80o and 90o.


2012 ◽  
Vol 170-173 ◽  
pp. 2499-2503
Author(s):  
Xin Chang ◽  
Jia Fu Xiao ◽  
Chun Yu Ran ◽  
Bo Jiao Yan

It introduces solar water heating system briefly, states the feasibility and necessity of the application of this system in severe cold region, analyzes the advantages of flat plate solar water heating system and people’s misunderstandings and finally indicates the applicability and prospects of this system in severe cold region.


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