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Chinese Journal of High Pressure Physics  > 2026  > Corrected proof
LI Hongwei, ZHANG Liguo, ZHOU En, LIANG Hao, YANG Lin, ZHANG Wanlong. Energy Conversion Characteristics and Temperature Field Simulation of Ignition Resistors for Industrial Electronic Detonators[J]. Chinese Journal of High Pressure Physics. doi: 10.11858/gywlxb.20251124
Citation: LI Hongwei, ZHANG Liguo, ZHOU En, LIANG Hao, YANG Lin, ZHANG Wanlong. Energy Conversion Characteristics and Temperature Field Simulation of Ignition Resistors for Industrial Electronic Detonators[J]. Chinese Journal of High Pressure Physics. doi: 10.11858/gywlxb.20251124
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Energy Conversion Characteristics and Temperature Field Simulation of Ignition Resistors for Industrial Electronic Detonators

doi: 10.11858/gywlxb.20251124
  • 1.

    School of Chemical and Blasting Engineering, Anhui University of Science and Technology, Huainan 232000, Anhui, China

  • 2.

    Huainan Shuntai Chemical Co., Ltd., Huainan 232000, Anhui, China

  • Received Date: 07 Jul 2025
  • Rev Recd Date: 17 Aug 2025
    • Available Online: 21 Aug 2025
    Abstract
  • In order to study the dynamic changes of temperature during the ignition process of the ignition resistor and solve the matching problem of the energy storage capacitor-ignition resistor system, this study measures the voltage-current changes and temperature changes of the ignition resistor under different capacitor discharge voltages through electrothermal experiments, infrared temperature measurement and numerical simulation methods. Combined with the surface conditions of the unmelted samples, the critical fuse voltage of the ignition resistor was determined, and the law of the electrical characteristic curve and the temperature variation law of the ignition resistor were obtained. The results show that under the same voltage, the bridge membrane straight type has the shortest melting time. Under the same resistance value, the melting time and heating time of the bridge-film ignition resistor are shorter than those of the bridge-wire type, and the maximum temperature it can reach is also higher. For the bridge-wire type and bridge-film S type ignition resistors, heat is prone to accumulate at the corners and phase change occurs first during the power-on process.

     

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