通过无量纲分析船模螺旋桨噪声可以预报实船的螺旋桨噪声。
Ship propeller noise can be predicted by non-dimensional analysis of ship model propeller noise.
实船试验表明,该合金螺旋桨比铜合金螺旋桨噪声有较大幅度降低。
Ship sailing tests show the propellers made of this alloy have much lover noise than copper alloy propellers.
本文介绍上海交通大学空泡筒进行螺旋桨噪声试验研究情况及部份结果。
This article describes the propeller noise tests in JTU cavitation tunnel and some of these test results obtained.
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