The objective of this experimental study is to clarify the heat transfer characteristics of the Passive Containment Cooling System (PCCS) with vertical heat transfer tubes for investigating the influence of non-condensable gas on condensation. Furthermore, hence we obtained new experimental correlation formula to calculate the transients in system temperature and pressure using the simulation program of the PCCS. The research was carried out using a forced circulation experimental loop, which simulates atmosphere inside PCCS with vertical heat transfer tubes if a loss of coolant accident (LOCA) occurs. The experimental facility consists of cooling water supply systems, an orifice flowmeter, and a tank equipped with the heat transfer pipe inside. Cooling water at a constant temperature is injected to the test part of heat transfer pipe vertically installed in the tank by forced circulation. At that time, the temperature of the cooling water between inlet and outlet of the pipe was measured to calculate the overall heat transfer coefficient between the cooling water and atmosphere in the tank. Thus, the heat transfer coefficient (hc) between heat transfer surface and the atmosphere in the tank considering the influence of the non-condensable gas was clarified. An important finding of this study is that the amount of condensation in the steamy atmosphere including non-condensable gas depends on the cooling water Reynolds number, especially the concentration of non-condensable gas that has great influence on the amount of condensation.
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12th International Conference on Nuclear Engineering
April 25–29, 2004
Arlington, Virginia, USA
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
0-7918-4687-3
PROCEEDINGS PAPER
Fundamental Research on the Cooling Characteristic of a Passive Containment Cooling System
Masahiro Kawakubo,
Masahiro Kawakubo
Toyko Institute of Technology, Tokyo, Japan
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Noriaki Inaba,
Noriaki Inaba
Shibaura Institute of Technology, Japan
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Hiroshige Kikura,
Hiroshige Kikura
Tokyo Institute of Technology, Tokyo, Japan
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Masanori Aritomi,
Masanori Aritomi
Tokyo Institute of Technology, Tokyo, Japan
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Toyoaki Yamauchi
Toyoaki Yamauchi
The Japan Atomic Power Company, Tokyo, Japan
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Masahiro Kawakubo
Toyko Institute of Technology, Tokyo, Japan
Noriaki Inaba
Shibaura Institute of Technology, Japan
Hiroshige Kikura
Tokyo Institute of Technology, Tokyo, Japan
Masanori Aritomi
Tokyo Institute of Technology, Tokyo, Japan
Toyoaki Yamauchi
The Japan Atomic Power Company, Tokyo, Japan
Paper No:
ICONE12-49330, pp. 747-752; 6 pages
Published Online:
November 17, 2008
Citation
Kawakubo, M, Inaba, N, Kikura, H, Aritomi, M, & Yamauchi, T. "Fundamental Research on the Cooling Characteristic of a Passive Containment Cooling System." Proceedings of the 12th International Conference on Nuclear Engineering. 12th International Conference on Nuclear Engineering, Volume 1. Arlington, Virginia, USA. April 25–29, 2004. pp. 747-752. ASME. https://doi.org/10.1115/ICONE12-49330
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