|
靜壓箱
收藏
消(xiao)聲(sheng)(sheng)器是(shi)指對于同時具(ju)有噪聲(sheng)(sheng)傳(chuan)播的(de)氣流管道,可以用附有吸聲(sheng)(sheng)襯里的(de)管道及(ji)彎頭或利用截面積(ji)突然改(gai)變及(ji)其他(ta)聲(sheng)(sheng)阻抗(kang)不連續的(de)管道等降噪器件,使管道內噪聲(sheng)(sheng)得到衰減或反射回(hui)去。前(qian)者稱(cheng)(cheng)為阻性(xing)消(xiao)聲(sheng)(sheng)器，后者稱(cheng)(cheng)為抗(kang)性(xing)消(xiao)聲(sheng)(sheng)器，也(ye)有阻抗(kang)復合式的(de)消(xiao)聲(sheng)(sheng) |
