查询词典 expansion chamber

After all, an OAA style experimental set-up in a single expansion chamber silencer for engine exhaust noise control was developed. Three kinds of software for the AANC system, the AANC system combined with the ALE, and the AANC system combined with the proportional tuned PDC were programmed.

结果表明：该系统在部分消除了影响次级通道建模精度的宽带干扰噪声的同时，充分发挥了前向窄带控制系统的作用，提高了次级通道建模精度，系统稳定性及消声性能得到提高。

Expansion chamber is 3 x's the port size for tremendous water removal efficiency.

膨胀室为3 x的了巨大的去水效率的港口规模。

By changing the length and diameter of the expansion chamber,different muffler models were created and analyzed.

消声器作为汽车内燃机排气系统最常用的消声装置，其性能的好坏显得至关重要。

H.T.fresh cooling system is filled cooling water of soften additive expansion chamber arrives at water level of being specified.

2.3 高温淡水冷却系统已注入软化添加剂的冷却水，膨胀水箱达到规定的水位高度。

Experimental results indicated that an introduction of small amount of gas into the expansion chamber could adjusted the particle flow pattern and flow rate effectively.

本文还对多级膨胀连续排灰系统在实际运行中必不可少的调控问题进行了探索，提出了气力调控方案。

Finally, based on the results of expansion chamber muffler noise attenuationtesting, the validity of the finite element analyzing in this paper is verified, and thefurther studies in the future is envisaged.

最后对扩张腔消声结构的消声量进行了试验，试验结果验证了本文有限元分析的有效性，并指出今后的研究方向。

Designed with an oversized expansion chamber, the UDL Series offers one of the best water removal efficiencies for drip legs on the market today.

一个超大膨胀室设计，在UDL系列提供最佳的水市场上的吊脚去除率之一。

If that was not bad enough, they were riding an ATV with a "ring a ding ding" engine (2 strokes) and expansion chamber for a muffler.

更糟糕的是，他们所驾驶的是一辆发动机叮当作响的坦克车，并且车内备有一个巨大的消音器。

It shows that, because of HOMW, the sound wave in expansion chamber is not in plane form; HOMW can decrease the capability of muffler; and the positions of inlet and outlet are important to the performance of mufflers.

结果表明，由于高次波的存在，消声器内部不一定是平面波；高次波对消声器性能有一定影响，能使某些频段的消声量下降，甚至失效；适当选择进出口管位置能抑制某几次高次波的出现，扩展消声器的有效频率。

Further, The parameters, such as the diameter of expansion chamber, flow velocity, porosity of the open cell and the length of the extended tube, are also investigated.

此外，文中亦分别探讨膨胀管直径、管中流速、槽孔开孔率、入口段延伸管长度对消音器性能之影响。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。