noise muffler 中文意思是什麼
noise muffler
解釋
消聲器-
This paper studies the mechanism generated from flow - noise in seawater pipeline, introduces controlling method of flow - noise, analyzes sound field characteristics of flow - noise in seawater pipeline system and the merits and demerits of measuring the flow - noise methods in and out of the pipeline. in our experiment, a test measuring device of seawater muffler is used in a measuring chamberlet to verify that a method of reverberation chamberlet is difficult to exactly measure the low frequency flow - noise in pipeline. at the same time the insertion lose of water muffler in the low frequency was measured by the measuring chamberlet method
本文分析了海水管路系統內流噪聲的產生機理，介紹了流噪聲的控制方法；分析了海水管路系統中流噪聲的聲場特性以及流噪聲管內、管外測量方法的優缺點；通過海水消聲器試驗測量臺架，利用測量小室驗證了混響箱法難以準確測量海水管路系統中的低頻流噪聲；用測量小室對水消聲器在低頻段的插入損失進行了測量。 -
The exhaust gas spews out of the exhaust valve and enters into the muffler along the exhaust manifold before draining into the atmosphere from the tail pipe. this process yields wide band exhaust noise
發動機廢氣從排氣門高速沖出，沿著排氣歧管進入消聲器，最後從尾管排入大氣，在這一過程中產生了寬頻帶的排氣噪聲。 -
Note : to reduce noise, install an engine intake filter and use a suitable expansion muffler
注:為減少噪聲，請安裝進汽過濾器和適當的消音器。 -
For the theoretical research of catalytic converter, this paper has discussed and analyzed the emission reduction principle, muffler noise suppression mechanism, substrate ' s physical & chemical performance and the durability, and concluded the theoretical principles for the application of exhaust emission control converter. especially in the research of noise suppression mechanism, a new conception of " equivalent design " for catalytic converter and muffler was revealed, which provided the theoretical basis for the optimization of exhaust noise suppression and engine power loss for light - duty vehicle
在排氣凈化器的理論研究方面，本文主要從排氣凈化器的凈化機理、消聲機理、載體的物化性能以及使用壽命等方面進行了討論和分析，得出了排氣凈化器應用的理論依據，特別是在消聲機理的研究方面，本文提出了一種全新的凈化器與消聲器的等效結構概念，為輕型汽車排氣凈化消聲系統在降噪和發動機功耗方面的優化設計提供了理論基礎。 -
In the experiment, we measured the frequency of the exhausted noise, and studied the muffler influence with the different rate of expansion
通過試驗測量了s195柴油機的排氣噪聲頻譜，並且對採用不同膨脹比消聲器的消聲效果進行了試驗研究。 -
The impact on the muffler performance is realized by the high - speed pulsation gas flow, which regenerates noises and strikes the acoustic elements of the muffler such as the pipe run, the body case and the separator plate to arouse the vibration radiated noise
氣流影響消聲器性能的主要原因是發動機排氣的高速脈動氣流再生噪聲，其次是這種氣流會沖擊消聲器的管路、殼體、隔板等聲學元件，進而激發振動輻射噪聲。 -
The most effective way to control the exhaust noise is to install an exhaust muffler. however, the actual noise reduction effect seems not as expected
控制排氣噪聲最有效的方法是加裝排氣消聲器，實際情況往往是降噪效果不很理想。 -
The exhaust noise accounts for a great proportion in the noise of vehicles so that higher and higher demands are proposed on the performance of exhaust muffler
車輛噪聲中排氣噪聲佔有很大的比重，因此對排氣消聲器的性能提出越來越高的要求。 -
We used the method of experiment to change the cavity volume of muffler to improve extinction character and resonance vibration of gas column and to reduce noise of compressor. and the method has characteristics of simple and high speed and reduce defects of common metheods. using four - load method to analyze mufflers, the dissertation designs new
提出了對滾動轉子壓縮機消聲器採用填充粘土實驗試湊的方法改變消聲器結構，進而改變壓縮機消聲器消聲特性，降低壓縮機排氣噪聲，該測試評價方法具有簡易性和速度快的特點，減少了常用方法的缺陷。 -
When other sound sources are under further control, the air inlet may become the primary sound source. under this situation it is proposed to apply good intake mufflers. usually the intake muffler needs to combine with the air cleaner in an integrated design to meet requirements of air admission and cleaning as well as perform an effective control over the air inlet noise
而當其它聲源得到進一步控制后，進氣噪聲有可能成為主要聲源，這時需考慮採用性能良好的進氣消聲器，通常進氣消聲器要和空氣濾清器結合，進行一體化設計，既能滿足進氣和濾清方面的要求，又可使進氣噪聲得到有效的控制。 -
The reduction of exhaust system noise is the key to the reduction of automobile noise. at present, the main method to reduce exhaust noise is by setting muffler in automobile exhaust system
減小排氣噪聲是降低汽車噪聲的關鍵，目前在排氣系統中安裝排氣消聲器是減少排氣噪聲的主要方法。
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