Study on Bubble Behavior Mechanism of Saturated Pool Boiling on SiC Cladding Material Surface under Atmospheric Pressure

Jin Desheng; Yan Yalun; Cheng Yanhua; Fu Xuefeng; Peng Zhenxun; Liao Yehong; Mao Yulong

doi:10.13832/j.jnpe.2024.S1.0167

Volume 45 Issue S1

Jun. 2024

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Article Navigation > Nuclear Power Engineering > 2024 > 45(S1): 167-174

Jin Desheng, Yan Yalun, Cheng Yanhua, Fu Xuefeng, Peng Zhenxun, Liao Yehong, Mao Yulong. Study on Bubble Behavior Mechanism of Saturated Pool Boiling on SiC Cladding Material Surface under Atmospheric Pressure[J]. Nuclear Power Engineering, 2024, 45(S1): 167-174. doi: 10.13832/j.jnpe.2024.S1.0167

Citation:

Jin Desheng, Yan Yalun, Cheng Yanhua, Fu Xuefeng, Peng Zhenxun, Liao Yehong, Mao Yulong. Study on Bubble Behavior Mechanism of Saturated Pool Boiling on SiC Cladding Material Surface under Atmospheric Pressure[J]. Nuclear Power Engineering, 2024, 45(S1): 167-174. doi: 10.13832/j.jnpe.2024.S1.0167

Citation:

Jin Desheng, Yan Yalun, Cheng Yanhua, Fu Xuefeng, Peng Zhenxun, Liao Yehong, Mao Yulong. Study on Bubble Behavior Mechanism of Saturated Pool Boiling on SiC Cladding Material Surface under Atmospheric Pressure[J]. Nuclear Power Engineering, 2024, 45(S1): 167-174. doi: 10.13832/j.jnpe.2024.S1.0167

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Study on Bubble Behavior Mechanism of Saturated Pool Boiling on SiC Cladding Material Surface under Atmospheric Pressure

doi: 10.13832/j.jnpe.2024.S1.0167

China Nuclear Power Technology Research Institute Co., Ltd., Shenzhen, Guangdong, 518000, China

Received Date: 2023-05-25
Rev Recd Date: 2024-05-06
Publish Date: 2024-06-15

Abstract

Abstract

SiC material is a kind of accident tolerant fuel (ATF) with high temperature resistance and good oxidation resistance. Its heat transfer and critical heat flux (CHF) are important indexes to evaluate the material performance, and the study of bubble behavior mechanism is helpful to evaluate its heat transfer performance. In this paper, the bubble behavior mechanism of SiC cladding material was studied by using the visualization experimental device of pool boiling at atmospheric pressure, and the bubble growth and detachment process in different sections of pool boiling curve were analyzed. According to the observed images of pool boiling bubbles on the surface of SiC cladding, the whole pool boiling heat transfer process can be divided into four sections: natural convection section, isolated bubble nucleate boiling section, slug bubble nucleate boiling section and film bubble nucleate boiling section. In the nucleate boiling zone of isolated bubbles, the growth time of bubbles on the surface of SiC cladding is short and the detachment frequency of bubbles is high. In the nucleate boiling zone of slug bubbles, a large number of bubbles are produced on the surface of SiC, and the interaction between bubbles is intense, resulting in strong heat transfer on the surface of SiC. The relationship between contact angle and detachment diameter is established, which can provide important support for the establishment of subsequent heat transfer model.
- SiC,
- Pool boiling,
- Bubble behavior,
- Detachment diameter,
- Detachment frequency

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References(13)

References

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