阻抗(kang)復(fu)合消(xiao)聲(sheng)(sheng)器(qi)(qi)(qi)T701-6 利用(yong)(yong)消(xiao)聲(sheng)(sheng)器(qi)(qi)(qi)內管道截面突變,內外室之膨脹作用(yong)(yong),繹(yi)低頻(pin)及部分中(zhong)(zhong)頻(pin)起有效的(de)消(xiao)聲(sheng)(sheng)作用(yong)(yong),而阻式吸聲(sheng)(sheng)器(qi)(qi)(qi)對中(zhong)(zhong)高頻(pin)有良好的(de)消(xiao)聲(sheng)(sheng)作用(yong)(yong),是(shi)一種廣(guang)頻(pin)譜消(xiao)聲(sheng)(sheng)器(qi)(qi)(qi),廣(guang)泛應用(yong)(yong)于(yu)空(kong)調通風系統中(zhong)(zhong)降低中(zhong)(zhong)、低壓風機的(de)噪聲(sheng)(sheng)。 為加(jia)強(qiang)消(xiao)聲(sheng)(sheng)效果,也可(ke)多節消(xiao)聲(sheng)(sheng)串聯(lian)使(shi)用(yong)(yong),風速一般(ban)在(zai)6-8米/秒。
1. 阻(zu)(zu)抗復合式消聲(sheng)器(qi)就是把(ba)對(dui)高、中頻噪聲(sheng)消聲(sheng)*的阻(zu)(zu)性消聲(sheng)器(qi)及對(dui)中、低頻噪聲(sheng)消聲(sheng)*的抗性消聲(sheng)器(qi)組(zu)合構成。由(you)于聲(sheng)波的波長比較(jiao)(jiao)長,阻(zu)(zu)性和(he)抗性消聲(sheng)器(qi)復合在一起時有(you)聲(sheng)的耦合作(zuo)用,互相有(you)影響(xiang),不能看(kan)作(zuo)簡單的疊加關系。 2. 由(you)于消聲(sheng)器(qi)的組(zu)合型(xing)式較(jiao)(jiao)多,阻(zu)(zu)抗復合式消聲(sheng)器(qi)的品種(zhong)也較(jiao)(jiao)多,但(dan)定型(xing)產品都是按原國家(jia)標準圖(tu)制造。 3. 因為消聲(sheng)效果(guo)好,頻譜特性寬,在通風空調工程中普遍應用。