The acoustic analysis model for an automotive exhaust muffler is built, and the transmission loss of exhaust muffler is measured by test and also simulated by using both FEM and BEM. 建立某汽车排气消声器的声学分析模型,采用有限元法和边界元法对排气消声器的传递损失进行了仿真分析和试验测试。
Experimental Measurement and Analysis of Transmission Loss(TL) of Exhaust Silencers 排气消声器传递损失的实验测量与分析
It is pointed out that there are wide application prospects of applying BDPC in transmission loss allocation, congestion cost allocation, cost allocation of ancillary service of reactive power as well as in power system planning, operation and control. 指出支路策动功率分量在输电损耗分配、塞成本分配、功辅助服务成本分配和电力系统规划、行与控制中有着广泛的应用前景。
Through testing on muffler on a certain motor, the paper evaluates the static performance of sound transmission loss of the muffler. 通过对某种发动机使用的消声器进行测试,对消声器的静态传声损失性能作出评价。
Measurement of transmission loss of a muffler based on transfer function 基于传递函数的消声器传声损失测量技术研究