Based on the pseudo-plane-wave theory, transmission losses (TL) of exhaust pipes are calculated for the first time for different temperatures, flow velocities and pipe dimensions.

• 基于准平面波理论，首次计算了考虑热粘性效应时不同温度、流速和管道尺寸下排气管道中的传递损失，分析了各参数对管道中噪声衰减的影响。