Simulation and evaluation of leakage electric field of bounded-wave simulator

Du, Lei; Gao, Cheng; Zhang, Qi; Wang, Jianbao; Hong, Rengtang; Qu, Dexin

doi:10.1080/09205071.2019.1577184

Journal of Electromagnetic Waves and Applications

2019

DOI: 10.1080/09205071.2019.1577184

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Simulation and evaluation of leakage electric field of bounded-wave simulator

Lei Du

Cheng Gao

Qi Zhang

et al.

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Cited by 2 publications

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The leakage field characteristics of a large hybrid electromagnetic pulse simulator

Huang,

Li,

et al. 2024

Review of Scientific Instruments

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The leakage field of a hybrid electromagnetic pulse simulator with horizontal polarization is simulated and experimentally investigated based on the finite integration technique in this paper. The field distribution characteristics and far-field radiation pattern of the simulator are given. The attenuation characteristics of the electric field at specific directions in the z = 2 m plane are also predicted by numerical data fitting. Finally, according to the ICNIRP guidelines, the safe distances that satisfy the occupational and public exposure limits are obtained, and the safety regions lower than the reference levels are given. Results show that the electric field in the α = 0° direction is mainly contributed by the main polarization component (Ey), while the total electric field in the α = 90° direction also requires consideration of the vertical component (Ez). The dominant radiation direction in the z = 2 m plane lies between α = 0° and 30°, which poses the highest demand for the safe distance around the simulator. In addition, impedance mismatch and ground reflection are the main factors affecting the waveforms of the radiated electric field.

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The leakage field characteristics of a large hybrid electromagnetic pulse simulator

Huang,

Li,

et al. 2024

Review of Scientific Instruments

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Numerical Analysis of Safety Zone of a Large Flat-Plate Bounded-Wave Emp Simulator

Huang

Meng

Li³

et al. 2019

Radiation Protection Dosimetry

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The safety zone of a large flat-plate bounded-wave electromagnetic pulse simulator was analyzed using the 3D electromagnetic simulation software Computer Simulation Technology. First, the double-limit requirement cited from the GB 8702 for an instantaneous pulse was clarified compared with the International Commission on Non-Ionizing Radiation Protection guidelines. This means that both the amplitude of the time-domain waveforms and all frequency components should be satisfied with the respective exposure limits. Then, the leakage field of a large flat-plate bounded-wave simulator was simulated. After analyzing the peak amplitude of an instantaneous electric field in a certain area, the observation points along six directions were specified, and the corresponding amplitudes were given. Furthermore, it was verified that the time-domain electric field of the critical points was satisfied with the frequency-domain exposure limits. Finally, the safety distances lower than the reference levels were given, and the safety zones corresponding to the three common exposure limits were obtained.

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Simulation and evaluation of leakage electric field of bounded-wave simulator

Cited by 2 publications

References 8 publications

The leakage field characteristics of a large hybrid electromagnetic pulse simulator

The leakage field characteristics of a large hybrid electromagnetic pulse simulator

Numerical Analysis of Safety Zone of a Large Flat-Plate Bounded-Wave Emp Simulator

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