Journal of Yunnan Normal University最新文献

Fluid Flow Situation in the Nozzle of the Theoretical Analysis and Numerical Simulation 喷嘴内流体流动状况的理论分析与数值模拟

Journal of Yunnan Normal University Pub Date : 2015-01-15 DOI: 10.7699/J.YNNU.NS-2015-003

Xiao-fang Hu, W. Gao, Tao Liu, Wenxian Lin

引用次数: 0

The influence of daily radiation collected on the daily heat gain of an evacuated tube solar water heater 日辐射收集量对真空管太阳能热水器日热增益的影响

Journal of Yunnan Normal University Pub Date : 2014-01-01 DOI: 10.7699/J.YNNU.NS-2014-006

Ren-fei Li, W. Gao, Tao Liu, Wenxian Lin

引用次数: 0

Development of automatic test system for thermal performance of all-glass heat pipe evacuated solar collector tube 全玻璃热管真空太阳能集热管热性能自动测试系统的研制

Journal of Yunnan Normal University Pub Date : 2014-01-01 DOI: 10.7699/J.YNNU.NS-2014-051

Guangli Wang, W. Gao, Tao Liu, Wenxian Lin

引用次数: 0

Effect of Position of Upper Connecting Pipe on the Tank on Thermal Performance of Domestic Solar Water Heaters with a Vertical Storage Tank and Flat-plate Collectors 罐上连接管位置对立式储罐平板集热器家用太阳能热水器热性能的影响

Journal of Yunnan Normal University Pub Date : 2014-01-01 DOI: 10.7699/J.YNNU.NS-2014-050

Hai Zhu, W. Gao, Wenxian Lin, Tao Liu, Ze-dong Li

{"title":"Effect of Position of Upper Connecting Pipe on the Tank on Thermal Performance of Domestic Solar Water Heaters with a Vertical Storage Tank and Flat-plate Collectors","authors":"Hai Zhu, W. Gao, Wenxian Lin, Tao Liu, Ze-dong Li","doi":"10.7699/J.YNNU.NS-2014-050","DOIUrl":"https://doi.org/10.7699/J.YNNU.NS-2014-050","url":null,"abstract":"In this paper, the domestic solar water heater with a vertical storage tank and a flat-plate collector, which is commercially available and popular in the market, was experimentally investigated. Firstly, natural circulation experiment platform of flat plate domestic solar water heater was set up. The effect of two different positions of upper connecting pipe on temperature variation in the water tank during the heating stage in the daytime and thermal performances was measured. Through the analysis of test data, the difference of temperature stratification in the water tank with upper connecting pipe at high position and at low position were studied respectively. Also the instantaneous efficiency in 10 minutes was defined and compared. The results showed that there was better temperature stratification in the water tank when it's upper connecting pipe at high position during heating stage. In addition, the instantaneous efficiency of solar water heater, which water tank with upper connecting pipe at high location under the natural circulation condition was superior to the water tank with upper circulation pipe at low position.","PeriodicalId":17502,"journal":{"name":"Journal of Yunnan Normal University","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81135234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

On green marketing 论绿色营销

Journal of Yunnan Normal University Pub Date : 1900-01-01 DOI: 10.4135/9781452229669.n1444

Chang Zhi

引用次数: 0