Experimental Analysis on Non-Dimensional Parameters of Closed-Loop Pulsating Heat Pipes

Xun Wang; Xiao Wen Zhang; Cheng Si Yang

doi:10.4028/www.scientific.net/AMR.732-733.230

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 732-733Experimental Analysis on Non-Dimensional...

Experimental Analysis on Non-Dimensional Parameters of Closed-Loop Pulsating Heat Pipes

Abstract:

Based on experimental studies, this paper discusses the variation tendencies of three non-dimensional parameters including Ja, Bo and Pr which consist of various operational parameters and characteristic parameters, and then analyses their effects on heat transfer performance of closed-loop pulsating heat pipes (PHPs) at startup stage and steady operation stage. Results indicate that at startup stage, the values of Ja and Bo increase over time as a whole, while the values of Pr decrease; at steady operation stage, the values of three parameters all fluctuate within a narrow range. The results also show that heat transfer is due mainly to the exchange of latent heat under the experimental conditions.

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Periodical:

Advanced Materials Research (Volumes 732-733)

Pages:

230-233

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.732-733.230

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Online since:

August 2013

Authors:

Xun Wang, Xiao Wen Zhang, Cheng Si Yang

Keywords:

Closed-Loop PHP, Non-Dimensional Parameters

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