船舱浮筏系统的隔振性能及水下声辐射试验

Vibration isolation and underwater acoustic radiation test of ship cabin floating raft system

对浮筏系统的振动传递及水下声辐射特性进行试验研究有其重要的工程应用前景。通过对船舱浮筏系统模型的隔振性能与水下声辐射进行试验,分析了船舶运载、动力设备运转工况以及管系对于浮筏系统的隔振性能及其水下辐射噪声的影响,指出管系在船舶浮筏系统的振动传递中占有重要的地位,在高频时可能成为振动传递的主要通道。

Vibration transmission and underwater acoustic radiation characteristics experiment of floating raft system has an important technical application prospect. Through vibration transmission and underwater acoustic radiation experiment of cabin floating raft system model, this article analyzes ship carriage, power equipment operation and piping＇s influence on vibration transmission and underwater acoustic radiation. It pointed out the importance of piping in ship floating raft system＇s vibration transmission, which could become a main channel at high frequency.