Abstract
A vulcanized rubber layer is usually used on the head of an axisymmetric body to keep it streamlined and watertight. The elastic boundary condition is considered when the flow noise of an axisymmetric body is calculated, and we employ the mutual coupling method between the vulcanized rubber layer and the flow around to solve the flow-noise field for an axisymmetric body in water. The results show that the deformation of the vulcanized rubber layer is reduced with the increase in Young's modulus. The Young's modulus of the rubber material should be large enough to keep it streamlined, and the noise power levels in the peak of the axisymmetric body are smaller than the other positions, which provides us with important theoretical support for laying acoustic arrays on the head of the body.
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