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名稱：圓形風管消聲器
詳細信息
微(wei)穿孔(kong)板(ban)(ban)(ban)消聲(sheng)(sheng)器是(shi)利(li)用微(wei)穿孔(kong)板(ban)(ban)(ban)吸聲(sheng)(sheng)結(jie)構制成(cheng)的(de)一(yi)種新型消聲(sheng)(sheng)器。不用任何多(duo)孔(kong)吸聲(sheng)(sheng)材料，只在厚度小于1mm的(de)薄(bo)金屬板(ban)(ban)(ban)上(shang)鉆許多(duo)微(wei)孔(kong)，這(zhe)些微(wei)孔(kong)的(de)孔(kong)徑一(yi)般(ban)為0.5~1mm左右，穿孔(kong)率在1%~3%之間(jian)，在穿孔(kong)板(ban)(ban)(ban)后留有一(yi)定的(de)空(kong)腔(qiang)，就成(cheng)為微(wei)穿孔(kong)板(ban)(ban)(ban)吸聲(sheng)(sheng)結(jie)構。微(wei)穿孔(kong)板(ban)(ban)(ban)是(shi)高(gao)聲(sheng)(sheng)阻、低聲(sheng)(sheng)質量的(de)吸聲(sheng)(sheng)元(yuan)件(jian)。