【摘要】 对形成潜艇柴油机水下排气噪声的一些影响因素进行了实验研究,给出了水下排气噪声在低频、中频、及高频范围内的频谱特点,初步研讨了水下排水噪声的几种降噪途径和措施更多还原

【Abstract】 The experimental studies of influence factors on noise generated from submerged exhaust of a multicylinder diesel engine are done in a water pool.The characters and regularities of submerged exhaust noise spectra in different frequeny regions are revealed to a certain degree by spectrum analysis, and primary control measures of the submerged exbaust noise are discussed.更多还原