Development and verification of fuel assembly bowing model in software package PCM

Jinggang Li; Chao Wang; Jun Chen; Jinghan Peng

doi:10.11884/HPLPB202234.210378

Journals >High Power Laser and Particle Beams >Volume 34 >Issue 2 >Page 026004 > Article

High Power Laser and Particle Beams
Vol. 34, Issue 2, 026004 (2022)

Development and verification of fuel assembly bowing model in software package PCM

Jinggang Li, Chao Wang, Jun Chen, and Jinghan Peng

Author Affiliations

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

show less

DOI: 10.11884/HPLPB202234.210378 Cite this Article

Jinggang Li, Chao Wang, Jun Chen, Jinghan Peng. Development and verification of fuel assembly bowing model in software package PCM[J]. High Power Laser and Particle Beams, 2022, 34(2): 026004 Copy Citation Text

show less

Fig. 1. Fuel assembly and boundary water gap

Download full size | View in the Article

Fig. 2. Radial modeling of fuel assembly node

Download full size | View in the Article

Fig. 3. Fuel rod power distribution (1/8 symmetry)

Download full size | View in the Article

Fig. 4. Core configuration

Download full size | View in the Article

Fig. 5. Fuel rod power distribution at K03 under normal water gap

Download full size | View in the Article

Fig. 6. Fuel rod power distribution at K03 under increased water gap

Download full size | View in the Article

enrichment/%	assembly configuration	normal water gap/mm	increased water gap/mm
4.45	17×17	0.76	3.80

Table 1. Fuel assembly main parameters

	fast group transport cross section/cm⁻¹	thermal group transport cross section/cm⁻¹	fast group absorption cross section/cm⁻¹	thermal group absorption cross section/cm⁻¹	fast group fission cross section/cm⁻¹	thermal group fission cross section/cm⁻¹
case 1	2.37744×10⁻¹	8.80051×10⁻¹	9.99930×10⁻³	1.04927×10⁻¹	3.24601×10⁻³	7.22189×10⁻²
Case 2	2.35261×10⁻¹	9.07776×10⁻¹	9.48205×10⁻³	9.92312×10⁻²	3.06870×10⁻³	6.71697×10⁻²
case 3	2.36489×10⁻¹	8.94271×10⁻¹	9.73666×10⁻³	1.02015×10⁻¹	3.15638×10⁻³	6.96360×10⁻²
results from Eq.(2)	2.36460×10⁻¹	8.94392×10⁻¹	9.73174×10⁻³	1.01981×10⁻¹	3.15429×10⁻³	6.96071×10⁻²
difference	0.012%	−0.014%	0.051%	0.034%	0.066%	0.042%

Table 2. Homogeneous neutron cross section of fuel assembly

Jinggang Li, Chao Wang, Jun Chen, Jinghan Peng. Development and verification of fuel assembly bowing model in software package PCM[J]. High Power Laser and Particle Beams, 2022, 34(2): 026004

Download Citation

Tools

Save the article for my favorites

Paper Information