An investigation of temperature characteristics of pulsating heat pipe

Qingjun Cai*, Chung-Lung Chen, Julie F. Asfia

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

Pulsating heat pipe (PHP) is an interesting heat transfer device. This paper focuses on PHP heat transfer characteristics versus its operating temperature. In experiments of copper and stainless steel PHPs, results indicate that, at a same input power, both temperature differences (from the evaporator to condenser) and evaporator temperature fluctuations are relevant to operating temperature. The minimal temperature difference and fluctuation appear at an operating temperature ranging from 120 to 160°C. Experimental analysis of the evaporator temperature fluctuations show that single phase cooling in PHP causes a large temperature difference (between the evaporator and condenser) and fluctuation. Phase change proportion increases at the optimal operation condition. Static mechanical balance combining with dynamic elastic oscillation system is used to interpret PHP temperature variations versus operating temperature.

Original languageEnglish
Title of host publicationProceedings of the ASME Heat Transfer Division 2005
Pages7-12
Number of pages6
Edition1
DOIs
StatePublished - 1 Dec 2005
Event2005 ASME International Mechanical Engineering Congress and Exposition, IMECE 2005 - Orlando, FL, United States
Duration: 5 Nov 200511 Nov 2005

Publication series

NameAmerican Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD
Number1
Volume376 HTD
ISSN (Print)0272-5673

Conference

Conference2005 ASME International Mechanical Engineering Congress and Exposition, IMECE 2005
CountryUnited States
CityOrlando, FL
Period5/11/0511/11/05

Keywords

  • Dryout
  • Oscillation
  • Pulsating heat pipe

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  • Cite this

    Cai, Q., Chen, C-L., & Asfia, J. F. (2005). An investigation of temperature characteristics of pulsating heat pipe. In Proceedings of the ASME Heat Transfer Division 2005 (1 ed., pp. 7-12). (American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD; Vol. 376 HTD, No. 1). https://doi.org/10.1115/IMECE2005-79597