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href="/about-us/list-521882.html">行業資訊</a><strong>海南聚酯板——聚酯纖維吸音板的吸音原理</strong> </div> <div class="main_box"> <div class="post"> <div class="post_title"> <strong class="post_title_child"> 海南聚酯板——聚酯纖維吸音板的吸音原理 </strong> </div> <div class="post_content article"> <h1 class="h1Title"> 海南聚酯板——聚酯纖維吸音板的吸音原理 </h1> <div class="contentPhoto"> <img src="http://images.hisupplier.com/var/userImages/202010/26/160109865814_s.jpg" alt="海南聚酯板——聚酯纖維吸音板的吸音原理" /> </div> <div class="contentText"> <p><strong style="white-space: normal;">海南聚酯板——</strong>聚酯纖維吸音板的吸音原理</p><p><br/></p><p>吸聲是指聲波在介質內傳播過程中逐漸衰減的現象。材料的吸聲系數是指聲能入射到材料表面時能被吸收的百分比。當其大于20%時叫吸聲材料，當其大于80%時叫強吸聲材料。</p><p><img class="img-thumbnail" src="http://images.hisupplier.com/var/userImages/202010/26/160055049559.jpg" title="timg+%28164%29.jpg" alt="timg+%28164%29.jpg"/></p><p>海南聚酯纖維吸音板</p><p>吸聲降噪*多可以獲得10-15dB的降噪量.降噪量=10lg(A0/A1),未加入吸聲材料時室內吸聲量越少,加入吸聲材料后室內吸聲量越多，降噪效果越好。在車間、廠房、大的開敞式空間，由于混響聲的原因，會使噪聲比之同樣聲源在室外高10-15dB。通過在室內布置吸聲材料，可以使混響聲被吸掉降低室內噪聲。</p><p><img class="img-thumbnail" src="http://images.hisupplier.com/var/userImages/202010/26/160100478513.jpg" title="u%3D1810333984%2C2593091517%26fm%3D11%26gp%3D0.jpg" alt="u%3D1810333984%2C2593091517%26fm%3D11%26gp%3D0.jpg"/></p><p>由于會議廳采用短混響，因此，必須選用強吸聲的結構。又因強吸聲處理，因此建筑師經常采用各種容易引起聲學缺陷的體形，如圓形、橢圓形、卵形平面、穹形屋頂等。而控制音質缺陷的措施，除了配置擴散結構外，通常用強吸聲方法，因為它同時起到控制混響時間的作用。</p><p><img class="img-thumbnail" src="http://images.hisupplier.com/var/userImages/202010/26/160105832842.jpg" title="u%3D2457523635%2C2183665672%26fm%3D26%26gp%3D0.jpg" alt="u%3D2457523635%2C2183665672%26fm%3D26%26gp%3D0.jpg"/></p><p>貼完聚酯纖維吸音板的墻面明顯沒有回聲聚酯纖維吸聲板和其他多孔材料的吸聲特性類似，吸聲系數隨頻率的提高而增加，高頻的吸聲系數很大，其后背留空腔以及用它構成的空間吸聲體可大大提高材料的吸聲性能。降噪系數大致在0.8～1.1左右，成為寬頻帶的高效吸聲體。這就是為什么貼了吸音板的墻面會如此安靜。聚酯纖維吸聲板所組成的吸聲體除了吸聲系數高、吸聲頻率寬和優異的聲學性能之外，還具有良好的物理力學性能及室內的裝飾性能。</p><p> <strong> ——海南聚酯板,海南聚酯板廠家,海南聚酯板批發</strong></p> </div> <div class="share_div"></div> <div class="navBelow"> <div class="navPrev"> 上一篇：<a href="/about-us/detail-336538.html" title="海南聚酯板——應用范圍">海南聚酯板——應用范圍</a> 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