Comparative study on the two testing methods to obtain the heat gain for flat-plate solar water heaters with vertical storage tanks
Liu, Xueping, Gao, Wenfeng, Xu, Ling, Lin, Wenxian, Ding, Xiang, Dai, Wei, and Liu, Tao (2011) Comparative study on the two testing methods to obtain the heat gain for flat-plate solar water heaters with vertical storage tanks. Journal of Yunnan Normal University, 31 (4). pp. 36-40.
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In this paper, the testing methods to obtain the useful heat gain for flat-plate solar water heaters with vertica1 storage tanks by the mixing-water method and by the draining-water meters are comparatively studied. The results show that the useful heat gain obtained by the draining-water method is slightly higher that that obtained by the mixing-water method. In addition, the experiments also show that in the mixing-water method the percentage of useful heat gain stored in the flat-plate solar collectors is small and hence when we conduct the testing on the useful heat gain for flat-plate solar water heaters the effect of the working medium in the flat-plate solar collectors can be assumed negligible.
|Item Type:||Article (Refereed Research - C1)|
Article in Chinese, abstract only in English.
|Keywords:||draining-water method; mixing-water method; useful heat gain; flat-plate solar water heater|
|FoR Codes:||09 ENGINEERING > 0915 Interdisciplinary Engineering > 091505 Heat and Mass Transfer Operations @ 80%|
09 ENGINEERING > 0915 Interdisciplinary Engineering > 091504 Fluidisation and Fluid Mechanics @ 20%
|SEO Codes:||85 ENERGY > 8505 Renewable Energy > 850506 Solar-Thermal Energy @ 100%|
|Deposited On:||23 Apr 2012 08:48|
|Last Modified:||23 Apr 2012 08:48|
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