Assessment of LUT-2006 Subcooled CHF Prediction at PWR Conditions with Freon CHF Data

Guo Junliang; Kong Huanjun; Gui Miao; Peng Yujiao; Shan Jianqiang

doi:10.13832/j.jnpe.2022.05.0027

Volume 43 Issue 5

Oct. 2022

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Article Navigation > Nuclear Power Engineering > 2022 > 43(5): 27-33

Guo Junliang, Kong Huanjun, Gui Miao, Peng Yujiao, Shan Jianqiang. Assessment of LUT-2006 Subcooled CHF Prediction at PWR Conditions with Freon CHF Data[J]. Nuclear Power Engineering, 2022, 43(5): 27-33. doi: 10.13832/j.jnpe.2022.05.0027

Citation:

Guo Junliang, Kong Huanjun, Gui Miao, Peng Yujiao, Shan Jianqiang. Assessment of LUT-2006 Subcooled CHF Prediction at PWR Conditions with Freon CHF Data[J]. Nuclear Power Engineering, 2022, 43(5): 27-33. doi: 10.13832/j.jnpe.2022.05.0027

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Assessment of LUT-2006 Subcooled CHF Prediction at PWR Conditions with Freon CHF Data

doi: 10.13832/j.jnpe.2022.05.0027

School of Energy and Power Engineering, Xi’an Jiaotong University, Xian, 710049, China

Received Date: 2021-10-26
Accepted Date: 2022-03-08
Rev Recd Date: 2021-12-22
Publish Date: 2022-10-12

Abstract

Abstract

An experimental study on the critical heat flux (CHF) is carried out in a circular tube with an inner diameter of 8 mm using R-134a as the modeling working medium. The variation trend of CHF parameters of R-134a is discussed, and Katto’s fluid modeling method is evaluated. The results show that CHF is only affected by local parameters, and the influence of length-diameter ratio can be ignored. The CHF parameter trend of R-134a is similar to that of typical water. Katto's modeling method has high accuracy at low critical air content and even negative critical air content. The CHF experimental data of R-134a are converted into equivalent water data by modeling method and compared with CHF Lookup Table (LUT)-2006. The evaluation results show that LUT-2006 has high prediction accuracy even though there is almost no subcooled CHF data under PWR conditions.
- Critical heat flux (CHF),
- Freon,
- Fluid-to-fluid modeling,
- CHF Look-up Table (LUT)

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References(22)

References

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