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1)  leakage acoustic wave
泄漏声波
1.
According building the tube rows experimental platform,the leakage acoustic wave in the superheater was studied in this paper.
以通过管阵列的泄漏声波信号为对象,分析其经过管阵列传播后的频谱特性,得到声波的变化规律:泄露压力越大,声压衰减的越快;泄露孔越大,声波禁带宽度越大,声波禁带中心频率越低。
2)  Leak super a wave
泄漏超声波
3)  breakout noise
泄漏噪声
1.
Based on the assumption of Nelson and Morfey that there is a constant of proportionality between the fluctuating drag force and the steady state drag force acting on an in-duct element, a pressure-based technique is proposed for estimating the breakout noise due to the vibration of the duct wall caused by the interaction of the turbulent flow and the in-duct elements.
根据Nelson与Morfey的设定,在流体质元所受波动阻力和稳态阻力之比恒定的条件下,文中推广了一种基于气压值的计算方法,用来推算由管道内部因素与湍流作用所引起的管道壁泄漏噪声之声强级。
4)  acoustic leakage
声学泄漏
1.
A finite element model for structure acoustic coupling analysis of the acoustic leakage problem in an automobile passenger compartment;
车辆乘坐室声学泄漏分析的声振耦合有限元模型
2.
A so called "acoustic leakage boundary condition" is put forward for an elastic thin walled cavity containing a leakage conduit and introduced to set up an improving finite element model which can deal with the structure acoustic coupling analysis of the acoustic leakage problem in an automobile passenger compartment.
针对具有泄漏管道的弹性薄壁腔体提出了一种“声学泄漏边界条件”,在此基础上建立了车辆乘坐室声学泄漏分析的声振耦合有限元模型。
5)  leakage noise
漏泄噪声
6)  leakage of sound
声音泄漏
补充资料:博帕尔毒气泄漏事故
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性质:1984年12月发生在印度中央邦博帕尔市的重大公害事故。美国联合碳化物公司所属的一家农药厂发生地下储罐毒气泄漏。泄漏的毒物为异氰酸甲酯,这种毒气小剂量会引起炎症,大剂量会在喉部和肺部引起糜烂和发炎,剧烈呛咳,最后窒息而死。这次事故有2500人死亡,20多万人不同程度中毒,其中10万人可能终身残废、失明。毒气泄漏使大量食物和水源污染,牲畜和其他动物大量死亡,生态环境受到严重破坏。

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