Experimental Study on Saturated Pool Boiling Bubble Behavior of ATF Chromium Coated Zirconium Alloy Cladding at Atmospheric Pressure

Wen Qinglong; Zeng Xiehu; Du Qiang; Chen Zhiqiang; Zhang Ruiqian; Du Peinan

doi:10.13832/j.jnpe.2022.05.0034

Volume 43 Issue 5

Oct. 2022

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Wen Qinglong, Zeng Xiehu, Du Qiang, Chen Zhiqiang, Zhang Ruiqian, Du Peinan. Experimental Study on Saturated Pool Boiling Bubble Behavior of ATF Chromium Coated Zirconium Alloy Cladding at Atmospheric Pressure[J]. Nuclear Power Engineering, 2022, 43(5): 34-42. doi: 10.13832/j.jnpe.2022.05.0034

Citation:

Wen Qinglong, Zeng Xiehu, Du Qiang, Chen Zhiqiang, Zhang Ruiqian, Du Peinan. Experimental Study on Saturated Pool Boiling Bubble Behavior of ATF Chromium Coated Zirconium Alloy Cladding at Atmospheric Pressure[J]. Nuclear Power Engineering, 2022, 43(5): 34-42. doi: 10.13832/j.jnpe.2022.05.0034

Citation:

Wen Qinglong, Zeng Xiehu, Du Qiang, Chen Zhiqiang, Zhang Ruiqian, Du Peinan. Experimental Study on Saturated Pool Boiling Bubble Behavior of ATF Chromium Coated Zirconium Alloy Cladding at Atmospheric Pressure[J]. Nuclear Power Engineering, 2022, 43(5): 34-42. doi: 10.13832/j.jnpe.2022.05.0034

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Experimental Study on Saturated Pool Boiling Bubble Behavior of ATF Chromium Coated Zirconium Alloy Cladding at Atmospheric Pressure

doi: 10.13832/j.jnpe.2022.05.0034

1.
Department of Nuclear Engineering, School of Energy and Power Engineering, Chongqing University, Chongqing, 400044, China
2.
Key Laboratory of Low Grade Energy Utilization Technologies and Systems, Chongqing University, Chongqing, 400044, China
3.
Nuclear Power Institute of China, Chengdu, 610213, China

Received Date: 2021-09-13
Rev Recd Date: 2021-10-20
Publish Date: 2022-10-12

Abstract

Abstract

Chromium (Cr) - coated zirconium alloy cladding is one of the most promising new cladding materials for accident resistant fuel (ATF). The study of bubble dynamics on the surface of this new material is helpful to evaluate whether it has better heat transfer performance. experiments are carried out on Cr-coated zirconium alloy cladding prepared by different process methods in a pool boiling experimental facility for Cr-coated zirconium alloy cladding under normal pressure. The effects of surface states such as roughness on bubble generation, growth and departure behaviors are investigated.The results show that the bubble contact angle is related to the surface roughness of Cr coating. The larger the roughness, the smaller the bubble contact angle; The bubble departure diameter of the four Cr-coated zirconium alloy cladding samples prepared under different coating processes ranges from 1.256~1.446 mm, and the bubble departure frequency ranges from 29.99~50.97 Hz; the bubble departure diameter is negatively correlated with the roughness, and the departure frequency is positively correlated with the roughness; The deviation between the bubble departure diameter prediction model and the experimental data is ±6%, and the deviation between the departure frequency prediction model and the experimental data is ±3%.
- Accident tolerant fuel (ATF),
- Chromium coated zirconium alloy cladding,
- Bubble dynamics,
- Departure diameter,
- Departure frequency

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References(20)

References

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