Energy optimization design for the driving source for rock fragmentation by high-voltage pulsed discharge (RHPD)

被引：0
|
作者：
Liao, Hongbin [1 ]
Liu, Yi [1 ,2 ]
Zhao, Yong [1 ]
Cheng, Jin [3 ]
Huang, Shijie [1 ]
Xu, Youlai [1 ]
Lin, Fuchang [1 ,2 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Technol, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Key Lab Pulsed Power Technol, Minist Educ, Wuhan 430074, Peoples R China
[3] Drilling Machinery Res Inst CPET, Beijing 102206, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2024年 / 136卷 / 23期
基金：
中国国家自然科学基金;
关键词：
DESTRUCTION; BREAKDOWN; FRACTURE;
D O I：
10.1063/5.0237633
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The energy parameter of the driving source for rock fragmentation by high-voltage pulsed discharge (RHPD) determines the effectiveness of rock fragmentation. The mapping relationship between the energy parameter of the RHPD driving source and the stress parameter is established, and an energy optimization design criterion for the RHPD driving source is proposed. The time-varying impedance of the plasma channel is simulated, and the spatial and temporal distribution of stress within the rock under the channel pressure loading is analyzed. A rock fragmentation criterion based on the stress impulse criterion is proposed, and a nonlinear constrained mathematical model for the energy optimization design for the RHPD driving source is developed. Using the existing driving source and load parameters as examples, the feasibility and accuracy of the proposed energy optimization design criterion for the RHPD driving source are verified, which provides theoretical guidance for the design of the RHPD driving source.
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页数：11
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