Xumbada aluminiumka ah ee hufnaanta sare leh ee dabaylaha dhawaaqa ah ee hoos u dhaca dhawaaqa dhimista iyo dhimista qaylada
Sharaxaada Alaabta:
Qalabka aluminiumka xumbo-unugyada ah ee xiran ayaa laga sameeyaa muraayado wax-ku-ool ah oo tayo sare leh ka dib daaweynta daloolinta (Φ2mm godadka, heerka dalool ee 1-3%), kuwaas oo leh waxqabad aad u wanaagsan oo soo jiidasho leh, iyo heerka nuugista dhawaaqa wuxuu gaari karaa 60% ilaa 90%. Maaddaama oogada maaddadani aanay lahayn diyaarad, waxa ay leedahay shaqo nuugista dhawaaqa milicsiga oo aad u fiican, isla mar ahaantaana, waxa ay leedahay shaqada nuugista codka ee nuugista daloolin ee Helmholtz resonance acoustic nuugista, taas oo hubinaysa heerka nuugista dhawaaqa sare. Intaa waxaa dheer, jawiga qoyan, walxaha caadiga ah ee acoustic waxay nuugaan biyaha oo ballaariyaan, isku-dhafka nuugista dhawaaqa ayaa si weyn loo dhimay, halka walxaha aluminiumku aanu nuugin biyaha, heerka nuugista dhawaaqa ma yarayn.
Saxanka xumbo aluminium ka dambeeya set of dhumucda kala duwan ee lakabka hawada, inta jeer ee ugu weyn ee nuugista dhawaaqa waa ka duwan yahay, la dhumucda lakabka hawada ka 0mm ilaa 90mm, inta jeer ee ugu weyn ee nuugista dhawaaqa laga bilaabo 2000Hz ilaa 300Hz ama wax ka badan. Marka dhumucda lakabka hawadu ay tahay 10, 30, 60, 90mm, inta jeer ee ugu weyn ee heerka nuugista codka ugu badan waa 1000Hz, 500Hz, 400Hz, 300Hz ama wax la mid ah. Sida laga soo xigtay qaybinta soo noqnoqda qaylada design xumbo heerka acoustic panel ka dambeeya dhumucda lakabka hawada. Jidka weyn, tunnel-ka webiga hoostiisa, tunnel-ka badda hoostiisa iyo baabuur kale ayaa soo saaray buuqa ugu weyn ee ku saabsan 400Hz, ee sanqadh hooseeya, sidaa darteed xannibaadaha dhawaaqa ee dariiqa weyn, webiga hoostiisa iyo tuneellada badda hoosteeda dhawaaqa nuugista gidaarka aluminium xumbo acoustic panels gadaasha goobta lakabka hawada 60mm qaro weyn, saamaynta dhimista qaylada waa wanaagsan. Qaylada tareenada waa dhexdhexaad iyo qaylada soo noqnoqda sare ee ka sarreysa 1000Hz, 20mm lakabka hawo qaro weyn ayaa la dejiyay gadaasha saxan sanqadha nuugista xumbo aluminium oo leh saameyn wanaagsan oo hoos u dhigista.
Astaamaha Alaabta:
Cufnaanta: 0.25g/cm3~0.75g/cm3;
Heerka madhan: 75% ~ 90%;
Tamarta nuugista: 8J/m3 ~ 30J/m3;
Awood cadaadis: 3Mpa ~ 17Mpa;
Xoog dabacsanaan: 3Mpa~15Mpa;
Aperture: si isku mid ah loo qaybiyey 1-10mm, daloolka ugu weyn 4-8mm;
Waxqabadka dab-demiska ma gubo, ma soo saaro gaasas sun ah;
Iska caabin daxalka, nolosha adeeg dheer.
Qaddarka badeecada: 1200mm * 600mm * H ama wax soo saar la habeeyey iyadoo loo eegayo shuruudaha macaamiisha.







