Journal of Guangdong University of Technology ›› 2012, Vol. 29 ›› Issue (3): 92-95.doi: 10.3969/j.issn.1007-7162.2012.03.018

• Comprehensive Studies • Previous Articles     Next Articles

Experimental Study of Heat Convection in Tubes with Big Temperature Difference

Chen Guansheng, Li Wenfeng, Du Wenjie, Yang Jingquan, Zhang Li, Mai Zhihao   

  1. School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2012-03-28 Online:2012-09-20 Published:2012-09-20

HTML

PDF (PC)

3266

Abstract: In view of little research into heat convection in tubes with big temperature difference, which were used in the high temperature solar thermal system, an experimental apparatus with big temperature difference was built up, and a lot of experimental studies were conducted. The experimental data were tested at different heating temperatures (temperature difference), heat transfer fluids, HTFs flow rates and tube diameters, which influence the process of heat convection. The relationship equation has been obtained, which can be used for the design of similar heat transfer equipment.

Key words: big temperature difference; heat convection; heat transfer; solar energy

［1］ Halmut Klai B，Rainer Kfihne，Joachim Nitsch,et al. Solar thermal power plants for solar countries technology, economics and market potential ［J］. Applied Energy, 1995(52):165183.

［2］ Beerbaum S, Weinrebe G. Solar thermal power generation in India: a technoeconomic analysis ［J］. Renewable Energy,2000(21):153174.

［3］ Ferna′ndezGarc1′a A, Zarza E, Valenzuela L,et al.Parabolictrough solar collectors and their applications ［J］. Renewable and Sustainable Energy Reviews,2010(14):16951721.

［4］ Tadayoshi Tanaka. Review paper of solar thermal electric power systems in Japan ［J］. Solar Energy,1980(25):97104.

［5］ WolfDieter Steinmann, Markus Eck. Buffer storage for direct steam generation ［J］. Solar Energy,2006(80):12771282.

［6］ 郭茶秀，魏新利，刘宏，等．高温储能系统的传热强化和参数化研究［J］．太阳能学报，2008，29(6)：684689．

［7］ 杨敏林，杨晓西，丁静，等．半周加热半周绝热的熔盐吸热管传热特性研究［J］．太阳能学报，2009，30(8)：10071013．

［8］ 孙李平，吴玉庭，马重芳．太阳能高温蓄热熔融盐优选的实验研究［J］．太阳能学报，2008，29(9)：10921095．

［9］ 杨世铭，陶文铨．传热学［M］．3版.北京：高等教育出版社,1998．

［10］ Lienhard I, Lienhard V. A heat transfer textbook ［M］. Chambridge,Massachusetts, USA:Phlogston Press,2002.
No related articles found!
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
No Suggested Reading articles found!
Copyright © 2017 Journal of Guangdong University of Technology
Add：729 East Dongfeng RD., Guangzhou PRC. Postcode: 510090
Tel：020-37626653,020-37626139,020-37626396
Email：xbzrb@gdut.edu.cn
Supported:Beijing Magtech