Abstract
High-power electromagnetic pulses are electromagnetic shock waves with strong energy, which can cause the destruction or malfunction of both electrical and electronic systems. The measurement of the electromagnetic wave shielding performance of buildings is effective for determining the level of EMP protection for each facility. However, it is extremely inefficient to practically measure the electromagnetic wave shielding performance using methods based on various standards for general buildings, in term of testing cost and time. Therefore, cost effective and sustainable test methods to investigate vulnerabilities of electromagnetic pulses attack on existing buildings using public frequency is proposed in this study. The study focuses on a simpler and more reliable method such as the use of broadcast or communication signals. From the results, it was concluded that the shielding performance can be measured approximately −45 dB using broadcast devices, −70 dB using walkie-talkie as simplified measurements of the electromagnetic-wave shielding performance. Therefore, if the test methods which are proposed in this study are allowed for preliminary investigation to find the vulnerabilities of existing buildings, cost and energy in the investigation can be reduced and it is expected to bring out frequency inspection and sustainable EMP protection performance of buildings.
Highlights
High-power electromagnetic pulses (EMPs) are electromagnetic shock waves with strong energy, which can cause the destruction or malfunction of both electrical and electronic systems
It would be extremely inefficient to practically measure the electromagnetic wave shielding performance through methods based on various standards for general buildings in term of testing cost and time
Cost effective and sustainable test methods to investigate vulnerabilities of EMP attack on existing buildings using public frequency are proposed in this study
Summary
High-power electromagnetic pulses (EMPs) are electromagnetic shock waves with strong energy, which can cause the destruction or malfunction of both electrical and electronic systems. There is an increasing threat that can jam or destroy the equipment used, such as electronic bombs and high power electromagnetic wave generators other than nuclear weapons; currently, such devices are being miniaturized enough for portability by individuals because EMPs can be generated even with low power. The standard is extremely strict because it is applied in military facilities and is configured to shield all facilities because temporary damage is not allowed owing to the nature of the military command system Saving measures such as partial protection or redundancy of only important equipment requiring protection are needed because such methods incur high costs for facility construction, maintenance, and repair. Cost effective and sustainable test methods to investigate vulnerabilities of EMP attack on existing buildings using public frequency are proposed in this study. It is expected that the test methods using public frequency proposed in this study will be used in the future for the preliminary investigation to find the vulnerabilities where a precise measurement is required
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