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Huang L.-H.,The Third Engineer Research Institute | He Y.-S.,The Third Engineer Research Institute | Li Y.-B.,The Third Engineer Research Institute | Liu F.,The Third Engineer Research Institute | He W.,The Third Engineer Research Institute
Binggong Xuebao/Acta Armamentarii | Year: 2014

Shielding effectiveness of electromagnetic shielded enclosure would be decreased by blast shocks. An electromagnetic shielded enclosure with the shock isolator with own patented technology is designed and constructed. The field blasting and shielding performance tests are conducted to study the effect of blast shock on the the shielding effectiveness of electromagnetic shielded enclosure with integral shock isolation. The results show that the vibration acceleration of electromagnetic shielded enclosure with integral shock isolation is only 18 m/s2 although the input vibration acceleration peak is up to 115 m/s2 under the blast shocks of 160 kg cumulative charge. This means that the integral shock isolation effectively reduces the impact of blast shock on electromagnetic shielded enclosure. The electromagnetic shielded enclosure meets the requirement of GradeI. Source

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