I-Aluminium Foam High-Efficiency High-Efficiency Acoustic Tunnel Tunnel Iqeda Umsindo Nokuncishiswa Komsindo
Incazelo Yomkhiqizo:
Amaphaneli e-aluminium eyigwebu elivaliwe enziwa abe amaphaneli abamba umsindo asebenza kahle kakhulu ngemva kokwelashwa kokubhobozwa (Φ2mm izimbobo, izinga lokubhoboza elingu-1-3%), anokusebenza okuhle kakhulu okumunca umsindo, futhi izinga lokumunca umsindo lingafinyelela ku-60% kuya ku-90%. Njengoba ingaphezulu lalokhu kwaziswa lingenayo indiza, inomsebenzi omuhle kakhulu wokumunca umsindo osakazwa phezulu, futhi ngesikhathi esifanayo, inomsebenzi wokumunca umsindo we-perforated Helmholtz resonance acoustic absorber, oqinisekisa izinga eliphezulu lokumunca umsindo. Ngaphezu kwalokho, endaweni enomswakama, izinto ezivamile ze-acoustic zimunca amanzi futhi zinwebe, i-coefficient yokumunca umsindo iyancipha kakhulu, kuyilapho impahla ye-aluminium foam ingamumbi amanzi, izinga lokumunca umsindo wayo alinciphi.
Ipuleti legwebu le-aluminium elingemuva kwesethi yogqinsi oluhlukene lwesendlalelo somoya, imvamisa eyinhloko yokumuncwa komsindo ihlukile, nogqinsi longqimba lomoya lusuka ku-0mm luye ku-90mm, imvamisa eyinhloko yokumuncwa komsindo isuka ku-2000Hz yehle iye ku-300Hz noma ngaphezulu. Uma ukushuba kongqimba lomoya kungu-10, 30, 60, 90mm, imvamisa eyinhloko yezinga eliphezulu lokumunca umsindo ngu-1000Hz, 500Hz, 400Hz, 300Hz noma kunjalo. Ngokusho komklamo wokusabalalisa imvamisa yomsindo iphaneli ye-foam acoustic ngemuva kogqinsi longqimba lomoya. Umgwaqo onguthelawayeka, amathanela angaphansi komfula, amathanela angaphansi kolwandle kanye nezinye imvamisa eyinhloko yomsindo edalwe yimoto cishe engu-400Hz, ngomsindo wefrikhwensi ephansi, ngakho imingcele yomsindo womgwaqo onguthelawayeka, imigudu engaphansi komfula nangaphansi kolwandle emunca umsindo wamaphaneli e-aluminium foam acoustic ngemuva kokusetha ungqimba lomoya owugqinsi ongu-60mm, umphumela wokunciphisa umsindo muhle. Umsindo womzila kaloliwe unomsindo ophakathi nendawo nophezulu ngaphezu kuka-1000Hz, ungqimba lomoya oluwugqinsi ongu-20mm lusethwe ngemuva kwepuleti elimunca umsindo le-aluminium foam elinomphumela omuhle wokunciphisa umsindo.
Izici zomkhiqizo:
Ukuminyana: 0.25g/cm3~0.75g/cm3;
Isilinganiso esingenalutho: 75%~90%;
Amandla okumuncwa: 8J/m3 ~ 30J/m3;
Amandla acindezelayo: 3Mpa ~ 17Mpa;
Amandla e-Flexural: 3Mpa~15Mpa;
Imbobo: isatshalaliswa ngokulinganayo i-1-10mm, indawo enkulu yokuvula i-4-8mm;
Ukusebenza kokuvikela umlilo akushi, akukhiqizi amagesi anobuthi;
Ukumelana nokugqwala, impilo ende yesevisi.
Ukucaciswa komkhiqizo: 1200mm*600mm*H noma ukukhiqizwa okwenziwe ngokwezifiso ngokuya ngezidingo zamakhasimende.







