Experimental and Simulation Study on Cooling Heat Transfer Characteristics in Narrow Annuli Fluid Channel

HE Ronghui; SUN Zhongning

Volume 34 Issue S1

Mar. 2025

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HE Ronghui, SUN Zhongning. Experimental and Simulation Study on Cooling Heat Transfer Characteristics in Narrow Annuli Fluid Channel[J]. Nuclear Power Engineering, 2013, 34(S1): 123-127.

Citation:

HE Ronghui, SUN Zhongning. Experimental and Simulation Study on Cooling Heat Transfer Characteristics in Narrow Annuli Fluid Channel[J]. Nuclear Power Engineering, 2013, 34(S1): 123-127.

HE Ronghui, SUN Zhongning. Experimental and Simulation Study on Cooling Heat Transfer Characteristics in Narrow Annuli Fluid Channel[J]. Nuclear Power Engineering, 2013, 34(S1): 123-127.

Citation:

HE Ronghui, SUN Zhongning. Experimental and Simulation Study on Cooling Heat Transfer Characteristics in Narrow Annuli Fluid Channel[J]. Nuclear Power Engineering, 2013, 34(S1): 123-127.

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Experimental and Simulation Study on Cooling Heat Transfer Characteristics in Narrow Annuli Fluid Channel

HE Ronghui¹,
SUN Zhongning²

1. Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610041, China;
2. College of Nuclear Science and Technology, Harbin Engineering University, Harbin, 150001, China

Received Date: 2013-03-26
Rev Recd Date: 2013-04-12

Available Online: 2025-03-08

Abstract

Abstract

Under the condition of 6 different equivalent diameters,using water as working media,the experiments of cooling heat transfer in annular channel is studied.The results show that the force convention heat transfer in narrow annuli is different with that in conventional channel,in former case the turbulent zone significantly ahead of schedule.When the equivalent diameter is 0.94 mm,only turbulent flow region exists in the channel.Narrow annuli can enhance or inhibit the heat transfer.Simulation and experimental results are in good agreement.The change of inner diameter core pipe has effect on the narrow annuli heat transfer.
- Narrow annular channel,
- Cooling,
- Experiment,
- Simulation analysis

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