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關注：1
2013-05-23 12:21
求翻譯：在自由排氣階段，排氣門處會由于高速的氣流噴注而產生強烈的噴注噪聲。又由于氣體的粘性，廢氣排出后會帶動排氣門后的氣體一起運動產生卷吸作用，使周圍氣體發生旋轉，形成渦流，輻射出渦流噪聲。另外，排氣門附近存在著氣體壓力的不連續面。這種壓力不連續會產生沖擊波，因而產生沖擊噪聲。是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
在自由排氣階段，排氣門處會由于高速的氣流噴注而產生強烈的噴注噪聲。又由于氣體的粘性，廢氣排出后會帶動排氣門后的氣體一起運動產生卷吸作用，使周圍氣體發生旋轉，形成渦流，輻射出渦流噪聲。另外，排氣門附近存在著氣體壓力的不連續面。這種壓力不連續會產生沖擊波，因而產生沖擊噪聲。
問題補充： |
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2013-05-23 12:21:38
In a free exhaust phase, exhaust valve at the speed of the airflow due to a strong jet and jet noise. Also, because the gas viscosity, gas emissions will drive along the gas exhaust valve movement after entrainment, so that the surrounding gas is rotated, the formation of eddy current, eddy current
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2013-05-23 12:23:18
In a free exhaust phase Gate and the exhaust air stream will result in high-speed injection and have created a strong injection noise. And as a result the viscous, gas emissions will be driven by exhaust gases after door with movement to generate volume suck gas ball spins around, forming a vortex E
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2013-05-23 12:24:58
正在翻譯，請等待...
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2013-05-23 12:26:38
In a free exhaust, exhaust valves will be strong because of high speed air jet Jet noise. And because the viscosity of the gas, exhaust discharges after driven exhaust valve of gas movement after juanxizuoyong, lead to rotation of ambient gas, formation of vortex, Vortex noise radiation out. In addi
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2013-05-23 12:28:18
In a free exhaust, exhaust valves will be strong because of high speed air jet Jet noise. And because the viscosity of the gas, exhaust discharges after driven exhaust valve of gas movement after juanxizuoyong, lead to rotation of ambient gas, formation of vortex, Vortex noise radiation out. In addi
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