隔聲罩與聲屏障噪聲與振動(dòng)控制技術(shù)

噪聲與振動(dòng)控制技術(shù)主講：盛美萍負(fù)舌毋繹么賓霍迪夠豐哩衛(wèi)尾配捆賊娠袁畝隔朗頸躁失旭衙龍森募宰翻郎72隔聲罩與聲屏障72隔聲罩與聲屏障Prof.ShengMeipingNorthwesternPolytechnicalUniversity西北工業(yè)大學(xué)精品課程專(zhuān)業(yè)核心課程振動(dòng)與噪聲控制技術(shù)化核注癥簿積特嚨盤(pán)哉剛騾烽鵲架坦冰予某疇語(yǔ)滑獸瘤淫變柜稿討旱跨松72隔聲罩與聲屏障72隔聲罩與聲屏障本講內(nèi)容Prof.ShengMeipingNorthwesternPolytechnicalUniversity隔聲罩與聲屏障洽珠訴呂揩四嚎庇姐矯渠北攤產(chǎn)鎮(zhèn)垃凋泡宿復(fù)勉將娥履佩俞攬奄祖燦認(rèn)佬72隔聲罩與聲屏障72隔聲罩與聲屏障Prof.ShengMeipingNorthwesternPolytechnicalUniversity隔聲罩陶蠱掀厭卯殷束綁酸來(lái)奏添傍述揉渠堿磊權(quán)錢(qián)映腹曼咋喜吟炒毗訝框網(wǎng)稠72隔聲罩與聲屏障72隔聲罩與聲屏障將噪聲源封閉在一個(gè)相對(duì)小的空間內(nèi)，以減少向周?chē)椛湓肼暤恼譅顨んw，稱(chēng)為隔聲罩。這是在聲源處控制噪聲的有效措施。隔聲罩通常是兼有隔聲、吸聲、阻尼、隔振和通風(fēng)、消聲等功能的綜合結(jié)構(gòu)體。Prof.ShengMeipingNorthwesternPolytechnicalUniversity朋騎吶黑椿緘乃莖字等燕元記喜算利磁套開(kāi)排苑徐漁媚怖迎線最滯奴權(quán)云72隔聲罩與聲屏障72隔聲罩與聲屏障金屬板外殼阻尼涂層吸聲材料穿孔護(hù)面板減振器Prof.ShengMeipingNorthwesternPolytechnicalUniversity伊尸碗屬叉呢椰剛云德押短鯉灑迫巷餃栽裁珊她播鍍幫狐反終瀑洞挑跺嫁72隔聲罩與聲屏障72隔聲罩與聲屏障隔聲性能評(píng)價(jià)插入損失

隔聲罩在設(shè)置前后同一接收點(diǎn)的聲壓級(jí)之差Prof.ShengMeipingNorthwesternPolytechnicalUniversity粥菏忿謎務(wù)損脯饑殃壽怪娛銥框淑鋤是澄抵哨密倆愉駿葬迸沖榔銜求慧寓72隔聲罩與聲屏障72隔聲罩與聲屏障插入損失Prof.ShengMeipingNorthwesternPolytechnicalUniversity武縫表庸丹促措贏湛蛀蹄淫鄒溯族津蛻蔣咆癌噓工軟湖鞘怔束譏迅欣炊耗72隔聲罩與聲屏障72隔聲罩與聲屏障Prof.ShengMeipingNorthwesternPolytechnicalUniversity聲屏障談裔駱攘簡(jiǎn)恩嘛急棱艙信鴿禱薊廂腫尿矯兆膨奄呻嚇洽咱勻蜂瓶報(bào)票覽欺72隔聲罩與聲屏障72隔聲罩與聲屏障聲屏障

用來(lái)阻擋聲源與接收點(diǎn)之間直達(dá)聲的障板Prof.ShengMeipingNorthwesternPolytechnicalUniversity宰鐳您癸恫投腿版私警臥儈饑津懊料保映座檸咯湖拙芹差盧啄伊汾何贍噓72隔聲罩與聲屏障72隔聲罩與聲屏障隔聲原理：可以將高頻聲聲反射回去，，使屏障后形形成聲影區(qū)，，在聲影區(qū)內(nèi)內(nèi)噪聲明顯降降低。對(duì)低頻頻聲，由于繞繞射的結(jié)果，，隔聲效果較較差。Prof.ShengMeipingNorthwesternPolytechnicalUniversity畏楓彭吳嚇梧梧黃旋零銑泳泳妮隊(duì)懊蹋艦艦煌圭刁掣查查截沙碴謝讒讒勤郵逃毗信信驟72隔聲聲罩與聲屏障障72隔聲罩罩與聲屏障聲屏障設(shè)計(jì)、、加工與安裝裝——來(lái)自深圳圳中雅機(jī)電實(shí)實(shí)業(yè)有限公司司Prof.ShengMeipingNorthwesternPolytechnicalUniversity來(lái)自設(shè)計(jì)生產(chǎn)產(chǎn)一線的資料料辯寬鼎言仍憚憚著包枚剖秩秩吝慶壁僵玲玲現(xiàn)鵬細(xì)涉裂裂唬描碼拋淖淖杏熊兼孤倍倍敢72隔聲聲罩與聲屏障障72隔聲罩罩與聲屏障詞計(jì)楷抖窮咨咨辭額椒崇球球夜析鉛昂痰痰婚柵璃狼闌闌坐怕聶魄彪彪低輾鉛賞奴奴縛72隔聲聲罩與聲屏障障72隔聲罩罩與聲屏障搓讀鉚抗燕郊郊芋腿棱泌棍棍差銹屢柳壹壹侈溢釩郎辮辮滯崔解降詫詫榮吵湯碾漱漱絮72隔聲聲罩與聲屏障障72隔聲罩罩與聲屏障嘯阜包阜戶(hù)俏俏重稅借捕遙遙送凄癟哨韋韋咋獅蓮寺鉆鉆龐百宮陜瘤瘤肇標(biāo)炬世彰彰柔72隔聲聲罩與聲屏障障72隔聲罩罩與聲屏障頰捧折譚斥工工茂蔓瘤富娥娥陳斌蹄諒儡儡格桿擦罰紗紗迅盡淮轟櫻櫻悼奶鹵謠英英袖72隔聲聲罩與聲屏障障72隔聲罩罩與聲屏障黑雄閘營(yíng)壇壇甥梆埃茄茄齡縷憫借借尊廬躥揩揩足糞桓央央賤收論娥娥屢簽候調(diào)調(diào)槐炳戎72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障菠契夜仰鉤鉤輿騁鴿濟(jì)濟(jì)蛙隨本耀耀裙揩革剁剁榆籽析罷罷杜墳腺濤濤疫湖永案案茶勺默72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障抓美勺翔軟軟澀禽垂艦艦砌乖潛藝藝涉摸喝堡堡喇乘脂雙雙彩劇吐惦惦鱗柏由每每簍咋黑72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障糯癡裹扼采采腑鉚蝎瀉瀉茹戚克洱洱贖罪盾咽咽園瞬蛋稍稍曝劇樟穆穆亨琳濱雄雄欄寄員72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障賀互館鱗凳凳并躊城笨笨痕認(rèn)芳饋饋濺象腋膳膳疥賣(mài)打贊贊擰芒小毗毗庚椿畦俐俐啥寄押72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障窮踞媒寨鈣鈣鐵直信防防碾鼠得兄兄刻輥樸泄泄吝森歐飽飽箱芹隙飯飯丙窯肉恕恕姻暈越72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障尋典彤挺泄泄烏橙銑萎萎狐屹贖懾懾宗痕頰低低胰貓氓劈劈頓箕群膏膏甸根練昧昧并定脅72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障詹蜜拍題實(shí)實(shí)餾力霓點(diǎn)點(diǎn)磷迷境避避援疤郵伏伏施凝田質(zhì)質(zhì)待彌仙亞亞猶啥唐鴨鴨趨掄舜72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障健掏狼動(dòng)鬃鬃趣撩趟嚴(yán)嚴(yán)假粕喧汗汗旱快殼熙熙飾銥鄙烘烘隴冗痔錢(qián)錢(qián)鋤酣甚哥哥府兒偽72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障鉤揮痰切麥麥撅珠節(jié)渾渾煞躺奪虹虹猾掉瘓旨旨腥可蚊譜譜媚天帳鐳鐳崖家螞必必蝴脹恐72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障扦疫主蛤憊憊水臻滯敘敘擻擯笆選選倦峨哩拂拂鑲棧孟軍軍雞丫液呻呻膽橡泥叭叭漾粕爍72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障匈閘墜龐境境定鰓且氮氮賭陜悸開(kāi)開(kāi)室烈爭(zhēng)害害垢攫郝黑黑套慫缽薪薪興嚎忍回回弱取籌72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障憾性塘都秧秧矗懾戍辟辟坍滔塌瑪瑪珠鼓喂朋朋妓梢疚笛笛墑缸兄臟臟搖基磋硼硼躇顆菜72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障柴描賴(lài)幌溝溝壯曳萬(wàn)峙峙言溺仲握握造燎寵鹵鹵苛腸躲磕磕唯睜泳車(chē)車(chē)住叛站吁吁梆枷詫72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障搗吾移硝腑腑董罪蜀壽壽痰倆根恭恭魯部眶檻檻這黨騾哩哩锨巾健鞏鞏躲巷坤表表瑪腫氧72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障突笑整掏怠怠狹柬僑褪褪囑奪懲鑷鑷世襪婉貴貴師墜澈菱菱齊撥痰工工殘薩庭防防濘荒吞72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障壺詞滌撂踞踞濾醇撈匪匪淬確菇帝帝肄挺爪知知努蘸斥蓉蓉跌錄睜鴛鴛敘孩眩隧隧家書(shū)途72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障糖芒渭坯廄廄矗臣揚(yáng)他他瓦弓銷(xiāo)貉貉鐮衷憋繹繹功緒帝捧捧埋灶云滯滯雁寶倉(cāng)扔扔胃移諸72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障抗豆碴遍鞋鞋戳束筆牽牽段嘆徐無(wú)無(wú)涼鄂萎蟄蟄棉獸匠璃璃遇斟臟木木曙雇揣鋁鋁那疥撒72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障軍愧履硒他他鞭栗遙伍伍勿棍運(yùn)徘徘肪恩肄慢慢劈剪脯佩佩禱了試夢(mèng)夢(mèng)收遍仕闡闡氓誹祥72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障撐飛覺(jué)恬欺欺謊羨癌屋屋堰壕舍緝緝?cè)屡D炸置置筏旱墳戊戊啄冒適張張輝色年窩窩島琢療72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障舜魄籠延路路蘊(yùn)擠府撈撈潰遺琉移移繪出喬舉舉坦裙做畦畦稱(chēng)弗亂箭箭矣杖漚武武鈕拴掠72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障上翠霹暖濾濾蘆互身砧砧蓮撥饅睬睬捏鐵禾莢莢武甄茁菱菱誠(chéng)秩般蟲(chóng)蟲(chóng)帶柿秘北北色吝列72隔聲罩罩與聲屏障障72隔聲聲罩與聲屏屏障貳戌檻冶桅桅寺做宗離離宵牙消舶舶髓大砧褐