《表8 工况3下板壳模态内损耗因子Tab.8 The internal loss factor of the shell plate under case 3》

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表7 工况2下板壳模态内损耗因子Tab.7 The internal loss factor of the shell plate under case 2

表4 壳板声辐射损耗因子计算参数Tab.4 Calculation parameters of acoustic radiation loss fac-tor of shell plates

表3 壳板主导前8阶模态结构损耗因子对比Tab.3 Contrast of mode 8natural structural loss factor of shell-dominated vibration

表5 1/3倍频程频带中心频率下壳板各工况声辐射损耗因子Tab.5 Acoustic radiation loss factor of shell plate under 1/3octave band center frequency

表2 20℃下复合损耗因子的检测对比结果Tab.2 Comparative result of composite loss factors at 20℃

表3 介质损耗测试结果Tab.3 The test results of dielectric loss