Research on transportation vibration environmental adaptability of coaxial pulse forming line

Hongyan Fan; Junjie Wang; Sheng Liu; Xuefei Zhang; Xu Sun; Gang Wang; Lei Kou; Zhenyuan Hou

doi:10.11884/HPLPB202133.210067

Journals >High Power Laser and Particle Beams >Volume 33 >Issue 5 >Page 055004 > Article

High Power Laser and Particle Beams
Vol. 33, Issue 5, 055004 (2021)

Research on transportation vibration environmental adaptability of coaxial pulse forming line

Hongyan Fan¹, Junjie Wang¹, Sheng Liu¹, Xuefei Zhang², Xu Sun¹, Gang Wang¹, Lei Kou¹, and Zhenyuan Hou³

Author Affiliations

¹Northwest Institute of Nuclear Technology, Xi’an 710024, China

²Beijing Zhengyang Hengzhuo Technology Co., Ltd., Beijing 100032, China

³Xi’an Jiaotong University, Xi’an 710049, China

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DOI: 10.11884/HPLPB202133.210067 Cite this Article

Hongyan Fan, Junjie Wang, Sheng Liu, Xuefei Zhang, Xu Sun, Gang Wang, Lei Kou, Zhenyuan Hou. Research on transportation vibration environmental adaptability of coaxial pulse forming line[J]. High Power Laser and Particle Beams, 2021, 33(5): 055004 Copy Citation Text

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E₁ / GPa	E₂ / GPa	E₃ / GPa	V₁₂	V₁₃	V₂₃	G₁₂ / GPa	G₁₃ / GPa	G₂₃ / GPa
152	152	14.10	0.29	0.28	0.28	60.50	11.03	11.03

Table 1. [in Chinese]

mode	frequency/Hz	modal shape
1	24.36	lateral bending of inner conductor （x direction）
2	24.41	vertical bending of inner conductor （y direction）
3	34.05	bending of inner conductor along the z direction
4	43.53	twisting of inner conductor around the z-axis

Table 2. [in Chinese]

mode	modal shape	frequency （oil-free）/Hz	frequency （full of oil）/Hz	damping coefficient （oil-free）/%	damping coefficient （full of oil）/%
1	lateral bending of inner conductor （x direction）	33.38	18.03	1.71	5.89
2	vertical bending of inner conductor （y direction）	37.80	18.92	1.30	10.61
3	bending of inner conductor along the z direction	57.43	42.64	1.10	7.96
4	twisting of inner conductor around the z-axis	42.35	51.62	1.50	6.63

Table 3. [in Chinese]

mode	modal shape	simulation frequency/Hz	measured frequency/Hz	error/%
1	lateral bending of inner conductor （x direction）	24.36	18.03	25.99
2	vertical bending of inner conductor （y direction）	24.41	18.92	22.49
3	bending of inner conductor along the z direction	34.05	42.64	−25.23
4	twisting of inner conductor around the z−axis	43.53	51.62	−18.58

Table 4. [in Chinese]

mode	modal shape	measured frequency/Hz	modified simulation frequency/Hz	error/%
1	lateral bending of inner conductor （x direction）	18.03	18.95	5.10
2	vertical bending of inner conductor （y direction）	18.92	19.02	0.53
3	bending of inner conductor along the z direction	42.64	30.61	−14.61
4	twisting of inner conductor around the z−axis	51.62	46.16	−10.58

Table 5. [in Chinese]

condition	maximum acceleration （middle conductor）/g	maximum dynamic stress/MPa	total stress/ MPa	maximum stress （tail insulator）/MPa
highway transportation（vertical）	1.95	50.08	223.08	27.78
wheel vehicle transportation（vertical）	2.40	73.46	246.46	40.99
impact（20g，vertical）	39.95	60.22	233.22	33.67

Table 6. [in Chinese]

test condition	longitudinal acceleration/g	vertical acceleration/g	lateral acceleration/g
Note：The results of highway and wheel vehicle transportation tests were root mean square values.
highway transportation	1.34	2.01	0.53
wheel vehicle transportation	1.76	2.05	2.66
impact（5g）	9.41	13.11	8.44

Table 7. [in Chinese]

magnitude/(g²·Hz⁻¹)	response frequency/Hz
0.001	26
0.000 1	26
0.000 01	30
0.000 001	30
0.000 000 1	31

Table 8. [in Chinese]

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