消音器主要是利用多孔吸聲材料來降低噪聲的_行業知識_連云港晨源環?？萍加邢薰?/title> <meta name="description" content="消音器主要是利用多孔吸聲材料來降低噪聲的"> <meta name="keywords" content="消音器主要是利用多孔吸聲材料來降低噪聲的"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1"> <meta name="applicable-device" content="pc"> <meta name="apple-mobile-web-app-title" content="消音器主要是利用多孔吸聲材料來降低噪聲的"> <meta name="application-name" content="連云港晨源環?？萍加邢薰?> </p><p><br/></p><p> 消音器主要是利用多孔吸聲材料來降低噪聲的。把吸聲材料固定在氣流通道的內壁上或按照一定方式在管道中排列，就構成了阻性消音器。當聲波進入阻性消音器時，一部分聲能在多孔材料的孔隙中摩擦而轉化成熱能耗散掉，使通過消音器的聲波減弱。阻性<a title="消音器" href="http://www.chakyan-medicalgroup.com" target="_blank"><strong>消聲器</strong></a>就好象電學上的純電阻電路，吸聲材料類似于電阻。因此，人們就把這種消音器稱為阻性消音器。阻性消音器對中高頻消聲效果好、對低頻消聲效果較差。 <br/> 消音器一般是用厚度小于1mm的純金屬薄板制作，在薄板上用孔徑小于1mm的鉆頭穿孔，穿孔率為1%一3%。選擇不同的穿孔率和板厚不同的腔深，就可以控制消音器的頻譜性能，使其在需要的頻率范圍內獲得良好的消音效果?；驹硎窃谠瓉淼穆晥鲋?，利用電子設備再產生一個與原來的聲壓大小相等、相位相反的聲波，使其在一定范圍內與原來的聲場相抵消。這種消音器是一套儀器裝置，主要由傳聲器、放大器、相移裝置、功率放大器和揚聲器等組成。</p><p><br/></p><p>本文由連云港晨源環?？萍加邢薰菊戆l布</p></div> <div class="prevNext"> <p class="prev">上一條: <a href="http://www.chakyan-medicalgroup.com/industry-85019">安全閥消聲器的采用有哪些優勢</a></p> <p class="next">下一條: <a href="http://www.chakyan-medicalgroup.com/industry-85002">你必須要知道的消聲器的消聲原理</a></p> </div> <div class="clear"></div> <div class="rnews clearfix"> <h3>相關行業知識</h3> <ul> <li><a href="http://www.chakyan-medicalgroup.com/industry-84892" target="_blank">風機消聲器分為圓形結構和矩形結構</a></li><li><a href="http://www.chakyan-medicalgroup.com/industry-84897" target="_blank">不同作用的鍋爐消聲器的幾大分類</a></li><li><a href="http://www.chakyan-medicalgroup.com/industry-84924" target="_blank">風機消聲器主要用于降低噪聲</a></li><li><a href="http://www.chakyan-medicalgroup.com/industry-85001" target="_blank">消聲器的適用領域</a></li><li><a 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