吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (4): 1360-1367.doi: 10.13229/j.cnki.jdxbgxb201604049
蔡金良, 孙晓颖, 赵晓晖
CAI Jin-liang, SUN Xiao-ying, ZHAO Xiao-hui
摘要： 为了准确地分析高空核电磁脉冲作用下车辆发动机舱内的电磁环境,考虑了散热器、发动机和变速箱等不同形状、位于舱内不同位置的不规则金属设备的影响,计算了舱内500多个观测点的电场强度,并依据自参考方法验证了计算结果的准确性。最后从场强空间分布、场强峰值出现频率和谐振特性三方面分析了舱内的电磁环境。结果表明:舱内场强峰值符合瑞利分布;散热器使主谐振频率发生偏移,发动机使关键区域场强增大;金属设备显著影响舱内场强峰值的最大值,使其提高约一倍。
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