The Panel Method for Rigid Section Group Added Mass Coefficients and Its Application to Fuel Assemblies

WANG Qijun; ZHANG Dechun; LI Peng; WANG Jun

doi:10.21656/1000-0887.430292

Volume 44 Issue 2

Feb. 2023

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WANG Qijun, ZHANG Dechun, LI Peng, WANG Jun. The Panel Method for Rigid Section Group Added Mass Coefficients and Its Application to Fuel Assemblies[J]. Applied Mathematics and Mechanics, 2023, 44(2): 133-140. doi: 10.21656/1000-0887.430292

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The Panel Method for Rigid Section Group Added Mass Coefficients and Its Application to Fuel Assemblies

doi: 10.21656/1000-0887.430292

School of Mechanics and Aerospace Engineering, Southwest Jiaotong University, Chengdu 610031, P.R.China

Received Date: 2022-09-23
Rev Recd Date: 2022-11-04

Available Online: 2023-02-21

Publish Date: 2023-02-15

Abstract

Abstract

A numerical method based on the panel method was developed to calculate the added fluid mass coefficients of the rigid section group with arbitrarily complex shapes, and was successfully applied to the PWR fuel assemblies. The variation law of added mass coefficients with position deviations was analyzed in the seismic test of 1×5 fuel assemblies. The results show that, this method is suitable for the calculation of the added mass coefficients of rigid section groups with complex continuous boundaries. Compared with the gap between assemblies, the gap between baffles and assemblies has a dominant influence on the added mass coefficient. Regardless of the position deviation, the sum of the added mass coefficients of all assemblies and baffles in the assumed motion direction is approximately equal to –1, and that in the perpendicular direction is approximately equal to 0.
- rigid section group,
- added mass,
- panel method,
- fuel assemblies,
- position deviation

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References(17)

References

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