High Power Laser and Particle Beams, Volume. 36, Issue 1, 013012(2024)
Optimization design for vibration environmental adaptability of coaxial pulse forming line
Figures & Tables(11)
Fig. 2. Connection structure of middle conductor and inner conductor
Fig. 4. Finite element model of middle conductor and inner conductor connected by screws
Table 1. Harmonic response calculation results of screws for connecting middle conductor with inner conductor (vertical vibration)
View tableView in ArticleTable 1. Harmonic response calculation results of screws for connecting middle conductor with inner conductor (vertical vibration)
condition maximum axial force/kN maximum shear force/kN 6 screws 21.54 3.96 8 screws 14.18 2.96
Table 2. Summary of insulation test
View tableView in ArticleTable 2. Summary of insulation test
material electric field value of bulk breakdown/(kV·mm−1） electric field value of surface flashover/(kV·mm−1） PEEK 41.4 13.9 glass fiber reinforced PEEK 38.9 12.1 nylon 66 33.8 11.1 glass fiber reinforced nylon 66 19.3 7.1
Table 3. Modal calculation results with different elastic modulus
View tableView in ArticleTable 3. Modal calculation results with different elastic modulus
number modal shape inherent frequency/Hz elastic modulus of 3.6 GPa elastic modulus of 8 GPa 1 lateral bending of inner conductor 32.86 45.78 2 vertical bending of inner conductor 32.63 42.9 3 twisting of inner conductor 42.88 46.03 4 bending of inner conductor along the axial direction 55.89 65.73
Table 4. Comparison of vibration test results before and after optimization design
View tableView in ArticleTable 4. Comparison of vibration test results before and after optimization design
test condition direction before optimizing after optimizing condition 1 longitudinal 40 min with full order of magnitude 2 h with full order of magnitude lateral 30 min with full order of magnitude 2 h with full order of magnitude vertical 30 min with full order of magnitude 2 h with full order of magnitude condition 2 longitudinal 10 min with full order of magnitude 40 min with full order of magnitude lateral 10 min with full order of magnitude 40 min with full order of magnitude vertical 10 min with full order of magnitude 40 min with full order of magnitude condition 3 three direction 5g 20g
Table 5. Response results of middle conductor with different insulator materials
View tableView in ArticleTable 5. Response results of middle conductor with different insulator materials
test condition response with PEEK response with glass fiber reinforced PEEK longitudinal frequency sweep 0.59g@38.1 Hz 1.38g@39.4 Hz longitudinal wheel vehicle transportation (condition 2) 1.10g, RMS 1.90g，RMS lateral frequency sweep 1.87g@24.6 Hz 1.31g@32.1 Hz vertical frequency sweep 1.23g@23.6 Hz 0.52g@37.9 Hz vertical wheel vehicle transportation (condition 2) 2.73g, RMS 2.60g, RMS
Tools
Get Citation
Copy Citation Text
Hongyan Fan, Yafeng Pan, Junjie Wang, Zhenyuan Hou, Xu Sun, Xuliang Fan, xu Guo. Optimization design for vibration environmental adaptability of coaxial pulse forming line[J]. High Power Laser and Particle Beams, 2024, 36(1): 013012
Paper Information
Category:
Received: Jul. 15, 2023
Accepted: Oct. 2, 2023
Published Online: Mar. 21, 2024
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20