東莞消聲器一般多少錢(qián) 誠(chéng)信經(jīng)營(yíng) 佛山文質(zhì)通風(fēng)設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="消音器實(shí)際上在解決燃?xì)庠胍?。典型消音器的原理，是在?nèi)部設(shè)置多個(gè)碗型結(jié)構(gòu)，讓出膛高溫燃?xì)庠诿恳粋€(gè)碗型結(jié)構(gòu)形成的密閉空腔內(nèi)逐級(jí)膨脹釋放能量，并因此在較終出消音器口時(shí)明顯降低速度和能量，因此達(dá)到降低燃?xì)獬鎏旁胍舻男Ч０l(fā)射的主要噪音來(lái)源，從大到小"><meta name="keywords" content="東莞消聲器一般多少錢(qián),消聲器"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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href="http://www.cdcfah.com/cp/third-xyjzsbjk_qcxsqsy/">汽車消聲器</a>?東莞消聲器一般多少錢(qián) 誠(chéng)信經(jīng)營(yíng) 佛山文質(zhì)通風(fēng)設(shè)備供應(yīng)</p><div id="txztzgn" class="leftbox clearfix"><h1>東莞消聲器一般多少錢(qián) 誠(chéng)信經(jīng)營(yíng) 佛山文質(zhì)通風(fēng)設(shè)備供應(yīng)</h1><div id="tdkwdkm" class="proBig"><div id="88eduls" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172179628907/3966315.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kelnz7t" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172179628907/3966315.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gproqpw" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>東莞消聲器一般多少錢(qián),消聲器</p><p><span>***更新：</span>2020-11-19 02:17:49</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="hkwtkwy" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">佛山文質(zhì)通風(fēng)設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>馮達(dá)斌</p><p><span>郵箱: </span>751633122@qq.com</p><p><span>電話: </span>13679725711</p><p><span>傳真: </span>0757_</p><p><span>網(wǎng)址: </span>http://fswztf.1688.com</p><p><span>手機(jī): </span>0757-85965668</p><p><span>地址: </span>大瀝鎮(zhèn)黃岐六聯(lián)鄉(xiāng)高力中村倉(cāng)庫(kù)(自編)3號(hào)(住所申報(bào))</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="3lhelc2" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="02jad2q" class="box"><p><p style="text-indent:25px">消音器實(shí)際上在解決燃?xì)庠胍?。典型消音器的原理，是在?nèi)部設(shè)置多個(gè)碗型結(jié)構(gòu)，讓出膛高溫燃?xì)庠诿恳粋€(gè)碗型結(jié)構(gòu)形成的密閉空腔內(nèi)逐級(jí)膨脹釋放能量，并因此在較終出消音器口時(shí)明顯降低速度和能量，因此達(dá)到降低燃?xì)獬鎏旁胍舻男Ч?。發(fā)射的主要噪音來(lái)源，從大到小排列。高壓燃?xì)獬鎏艜r(shí)膨脹產(chǎn)生的噪音和超音速燃?xì)猱a(chǎn)生的激波聲，東莞消聲器一般多少錢(qián)，在沒(méi)有加消音器的時(shí)候，東莞消聲器一般多少錢(qián)，平常聽(tīng)到的聲主要都是來(lái)自這個(gè)來(lái)源，甚至說(shuō)全部來(lái)自它，因?yàn)檫@個(gè)聲音是遠(yuǎn)大于其他兩個(gè)來(lái)源的。我們后文簡(jiǎn)稱這一來(lái)源為燃?xì)庠胍?。如果發(fā)射的是超音速?gòu)?，彈丸出膛后空氣中超音速飛行產(chǎn)生的激波噪音。相對(duì)個(gè)來(lái)源，這個(gè)聲音較小，但音量也很大，而且音色很尖銳。后文簡(jiǎn)稱為激波噪音。擊發(fā)和機(jī)循環(huán)完成拋殼上膛本身伴隨著金屬部件之間的碰撞，這個(gè)聲音又明顯小于前兩者，但也不可忽略。后文簡(jiǎn)稱為機(jī)噪音，東莞消聲器一般多少錢(qián)。鍋狀消聲器由內(nèi)管、轉(zhuǎn)向彎管和中間底板組成，之后外部底板通過(guò)合槽或焊接與外罩相連。東莞消聲器一般多少錢(qián)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞消聲器一般多少錢(qián),消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172179628907/3966315.png"></div><p style="text-indent:25px">共振腔消聲器。共振腔消聲器消聲原理是利用聲波頻率與共振腔固有頻率一致時(shí)對(duì)聲能的衰減達(dá)到較大進(jìn)行消聲。與擴(kuò)張室消聲器相比，共振腔消聲器具有消聲頻帶較窄，在共振頻率附近消聲量較大的特點(diǎn)，適用于具有單峰值頻率、且峰值較突出的高噪聲場(chǎng)合。設(shè)計(jì)時(shí)要求共振腔消聲器的共振頻率與聲波的主頻率一致。干涉型消聲器。干涉型消聲器是利用支管長(zhǎng)度比主管長(zhǎng)度長(zhǎng)，并且多出的長(zhǎng)度正好是1/2聲波波長(zhǎng)的奇數(shù)倍，這樣支管聲波與主管聲波在振幅上相等，而在相位上相差180°的奇數(shù)倍，從而達(dá)到相互干涉而抵消，來(lái)實(shí)現(xiàn)消聲的目的。干涉型消聲器適用于消減某保持不變的單一頻率的噪聲，對(duì)于寬頻帶噪聲，這種型式消聲器無(wú)效。??東莞消聲器一般多少錢(qián)對(duì)中、高頻噪聲源，宜采用阻性或復(fù)合型消聲器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞消聲器一般多少錢(qián),消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172241416016/5804003.png"></div><p style="text-indent:25px">評(píng)價(jià)消聲器聲學(xué)性能好壞的量有下列4種：插入損失，在系統(tǒng)中，裝置消聲器以前和裝置消聲器以后相對(duì)比較，通過(guò)管口輻射噪聲的聲功級(jí)之差定義為消聲器的插入損失。傳聲損失。減噪量，在消聲器進(jìn)口端面測(cè)得的平均聲壓級(jí)與出口端面測(cè)得的平均聲壓級(jí)之差稱為減噪量。衰減量，消聲器內(nèi)部?jī)牲c(diǎn)間的聲壓級(jí)的差值稱為衰減量，主要用來(lái)描述消聲器內(nèi)聲傳播的特性，通常以消聲器單位長(zhǎng)度的衰減量（dB/m）來(lái)表征。傳聲損失和衰減量是屬于消聲器本身的特性，它受聲源與環(huán)境影響較小（不包括氣流速度的影響），而插入損失、減噪量不單是消聲器本身的特性，它還受到聲源端點(diǎn)反射以及測(cè)量環(huán)境的影響。</p><p style="text-indent:25px">阻抗聲流型通風(fēng)、排氣管道及風(fēng)機(jī)消聲器結(jié)構(gòu)原理：根據(jù)對(duì)工業(yè)用各類風(fēng)機(jī)運(yùn)行現(xiàn)場(chǎng)噪聲源進(jìn)行實(shí)際測(cè)試所取得的頻譜特性資料來(lái)確定在哪些頻譜范圍內(nèi)需要多大消聲量作為設(shè)計(jì)吸聲體及流體通道的主要依據(jù)，同時(shí)采用了具有較大吸聲材料飾面的狹矩形通道，以增強(qiáng)吸收效果。另，風(fēng)機(jī)的噪聲源在較大噪聲級(jí)時(shí)，其頻譜值往往不止一種，而對(duì)不同頻譜帶，對(duì)其消聲量要求也不相同。為此系列通風(fēng)管道消音器及鼓引風(fēng)機(jī)消聲器均為阻抗聲流型，采用了對(duì)高、中頻噪聲起吸音消聲作用的阻式結(jié)構(gòu)及對(duì)中、低頻噪聲起消聲降音作用的抗式結(jié)構(gòu)，同時(shí)在阻式通道中采用了高頻及低頻兩種吸音消聲區(qū)，用以較大限度的增寬消聲頻帶，以實(shí)現(xiàn)良好的消聲降噪效果。消聲器能吸收排管的垂直和水平熱位移，保證排氣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞消聲器一般多少錢(qián),消聲器" src="https://tyunfile.71360.com/UploadFile/wenzhitongfengshebei/637363172182822266/4899542.png"></div><p style="text-indent:25px">汽車消聲器的消聲原理是什么？汽車消聲器的消聲原理是利用腔與管的適當(dāng)組合，從而達(dá)到兩種作用來(lái)促成消聲效果的：汽車消聲器，一是利用管道截面突變(即聲抗的變化)使沿管道傳播的聲波向聲源方向反射回去，從而使聲能反射回原處；汽車消聲器二是利用幾個(gè)界面的反射，使原來(lái)個(gè)向前傳播的聲波又回到原點(diǎn)，并再次折回向前傳播，該點(diǎn)與尚未被反射的第二個(gè)向前傳播的聲波匯合，而且兩者在振幅上相等，在相位上差180度的奇數(shù)倍，從而互相干涉而被抵消。微穿孔消聲器阻力損失小，消聲頻帶寬，工作時(shí)不起塵。南寧消聲器供應(yīng)公司</p><p style="text-indent:25px">在連接螺套里裝有油浸石棉密封圈，以防止排氣管和消聲筒之間的接口漏氣。東莞消聲器一般多少錢(qián)</p><p style="text-indent:25px">風(fēng)速變化很大的通風(fēng)系統(tǒng)消聲器安裝方法：變徑后直接安裝消聲器，則該處氣流渦流增大，通風(fēng)系統(tǒng)阻力增大。消聲器進(jìn)口處中心區(qū)域氣流來(lái)不及充分衰減，直接沖入消聲器，則此時(shí)消聲器內(nèi)實(shí)際的氣流速度遠(yuǎn)大于消聲器的設(shè)計(jì)氣流速度。則消聲器的實(shí)際有效長(zhǎng)度降低，消聲器實(shí)際效果遠(yuǎn)不能達(dá)到設(shè)計(jì)要求。正確的做法是將變徑后的風(fēng)管延長(zhǎng)直徑的5~8倍后，氣流達(dá)到穩(wěn)態(tài)時(shí)狀況再安裝消聲器，此時(shí)消聲器才能達(dá)到設(shè)計(jì)效果。隨著我國(guó)經(jīng)濟(jì)的快速發(fā)展，人們對(duì)建筑物的要求越來(lái)越高，暖通工程作為工程項(xiàng)目的重要組成部分，其施工質(zhì)量的好差將直接影響到建筑物的使用功能，這就要求有關(guān)工程技術(shù)人員嚴(yán)把暖通工程的施工質(zhì)量，這樣才能夠避免使用過(guò)程中盡量不出問(wèn)題或少出問(wèn)題，一旦出現(xiàn)問(wèn)題可以減少維修費(fèi)用，節(jié)約人力物力，節(jié)省社會(huì)資源。東莞消聲器一般多少錢(qián)</p><p 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