Uhlolojikelele:
Izinto ezimunca umsindo zibhekisela ezintweni ezimaphakathi kwazo lapho isilinganiso sokumunca umsindo singaphezu kuka-0.2. Izinto eziningi ezimunca umsindo ziyizinto ezikhululekile nezingenazo izimbobo, njenge- melamine foam , izingubo zokulala, njll.
Iqhaza lezinto ezimunca umsindo nezakhiwo ezimunca umsindo:
- Nciphisa futhi ulungise isikhathi somsindo;
- Lawula umsindo obonisiwe
- Susa i-echo;
- Thuthukisa ikhwalithi yomsindo futhi ushintshe ukusatshalaliswa kwenkundla yomsindo.
Isimiso sokusebenza:
Njengoba umsindo usuka ekudlidlizeni kwento, ubangela ukundindizela emoyeni oseduze kwakhe ukuze kwakheke amaza omsindo, asakazeka nxazonke endaweni yomoya. Ngokuqondene nezinto ezimunca umsindo, lapho umsindo udluliselwa ebusweni bengxenye yezinto, ingxenye yamandla omsindo ibonakala, ingxenye ingena entweni, futhi ingxenye yayo igudla endaweni ezungezile ngenxa yokudlidliza kwengxenye noma umsindo osakazeka ngayo. Le ngxenye iguqulwa isuka emandleni omsindo ibe amandla okushisa, futhi amandla omsindo alahlekile, okungukuthi, ngokuvamile kuthiwa umsindo uthathwa yizinto ezibonakalayo.
I-coefficient yokumuncwa komsindo:
Ukusebenza kokumuncwa komsindo kwento ethile kuvezwa yi-coefficient yokumuncwa komsindo engu-α. U-A uyisamba se-coefficient yokulahlekelwa ukumuncwa/E0 kanye ne-coefficient yokungena engu-E transmission/E0.
Ukusebenza kokumuncwa komsindo kokuqukethwe akuhlobene kuphela nesakhiwo, ukujiya kanye nezici zangaphezulu zento ngokwayo, kodwa futhi kuhlobene nesiqondiso sesigameko kanye nemvamisa yomsindo.
Isicelo:
Izinto ezimunca umsindo ngokuvamile zisetshenziselwa ukulawula ivolumu yasendlini kanye nekhwalithi yomsindo. Ngokuvamile, uma umthamo wegumbi umkhulu, isikhathi sokuphindaphinda siba side, futhi kuba kubi nakakhulu ukuqondakala kwenkulumo. Ukuze uqinisekise ukuqondakala kwenkulumo, kuyadingeka ukumunca umsindo ekamelweni futhi ulawule isikhathi sokuhlenga. Njengamahholo, amagumbi okufundela, izinkundla zemidlalo namabhayisikobho.
Izidingo zezinto ezimunca umsindo ezisetshenziswa ezakhiweni zomculo zizoba lukhuni. Ukusetshenziswa kwezinto ezimunca umsindo kufanele kuqinisekise ukugcwala okuthile komsindo futhi kunwebe ngokufanelekile isikhathi somsindo. Ukuze uvimbele ukukhubazeka kwe-acoustic okufana ne-echo, impendulo ye-acoustic, nokugxila komsindo, izinto ezimunca umsindo zingasetshenziswa odongeni olungemuva, izindonga zamathala esitezi sesibili, izindonga ezisemaceleni, nezinye izingxenye.
Izinto ezimunca umsindo ezisetshenziswa ekwakhiweni kwendawo ye-acoustic yesakhiwo nazo zidinga ukucutshungulwa ngokuphelele ukusetshenziswa kwezinto, okuhlanganisa ukusebenza kokumuncwa komsindo kanye nezakhiwo zokuhlobisa, amandla, ukuvikela umlilo, ukumuncwa komswakama, ukucubungula nezinye izici.
Izinhlobo zesakhiwo zezinto ezimunca umsindo
Kunezinhlobo eziningi zezinto nezakhiwo ezimunca umsindo. Ngokuya ngezakhiwo zabo ezihlukene zezinto ezibonakalayo, zingahlukaniswa ngezigaba ezilandelayo:
(1) Izinto ezimunca umsindo ezinezimbobo: izinto ezimunca umsindo ezinemicu, izinto ezimunca umsindo ezinezinhlayiya kanye nezinto ezimunca umsindo ezinegwebu ;
(2) Isakhiwo esimunca umsindo esidonsayo: i-resonant eyodwa, ipuleti elinezimbobo isakhiwo esimunca umsindo, ipuleti elincanyana elizwakalayo elimunca umsindo;
- Isakhiwo esikhethekile esimunca umsindo: isakhiwo esimunca umsindo sefilimu elincanyana.
Uhlobo lwe-resissive attenuation
Izinto ezithambile ezikwazi ukumelana nezimbobo ezithambile zivame ukwaziwa njengegwebu le-melamine noboya bengilazi. Izinto ezinezimbobo eziqinile zihlanganisa insimbi, i-ceramic, kanye ne-synthetic resin porous materials, phakathi kwazo izinto ezimunca umsindo ze-aluminium zidonse ukunaka kwabantu. Isizathu siwukuthi izinto ezimbotshana zensimbi ziyimizimba eqinile futhi azidingi ukuvikelwa ngezinto ezingaphezulu ezinezimbobo njengezinto ezithambile ezinezimbobo. Ngeke ziguge noma zihlakazeke ukuze zingcolise imvelo ngemva kokusetshenziswa isikhathi eside. I-coefficient yokumuncwa komsindo ngemva kokumunca umswakama noma umswakama ngeke kuthinte ukusebenza kwawo kokumunca umsindo.
Uhlobo lokudlidliza kwefilimu ezacile
Izinto ezimunca umsindo zefilimu ezacile ezimunca umsindo zivame ukunamathiselwa kwezinye izinto, njenge-aluminium foil ezintweni ezimunca umsindo ze-aluminium fibre. Kukhona futhi ifilimu ye-polyethylene ye-microperforated, engaxhunywa engilazini yamafasitela ajwayelekile. Ukusebenza kokumunca umsindo: Inezici ezinhle kakhulu zokumunca umsindo we-mid-frequency.
Isibambisi somsindo wesikhala
Umehluko phakathi kwezinciphisi zomsindo wesikhala nezakhiwo ezivamile ezinciphisi umsindo ukuthi azihlanganiswa nezindonga eziqinile njengophahla nezindonga ukwakha isakhiwo esinciphisi umsindo, kodwa ziyizinhlelo ezizimele. Ukwelashwa kokunciphisi umsindo wangaphakathi ngokuvamile kuhilela ukufaka izinto ezinciphisi umsindo ezindaweni ezahlukene zangaphakathi ngesikhathi sokwakhiwa nokuhlobisa kwesakhiwo. Kodwa-ke, izingxenye ezinciphisi umsindo: izinciphisi zomsindo wesikhala zingalungiswa futhi ziphakanyiswe endaweni. Empeleni, isinciphisi somsindo akuyona isakhiwo esisha esinciphisi umsindo, kodwa ngenxa yezimo ezahlukene zokusetshenziswa, izici zokunciphisi umsindo nazo zihlukile. Ukusilenga endaweni enomthamo ophezulu wokugeleza kwamandla omsindo (njengaseduze nomthombo womsindo noma lapho ukubonakaliswa kugxile khona) kungafeza imiphumela engcono.
Isinqamuleli somsindo esiqinile
Amaweji amunca umsindo ngokuvamile asetshenziswa izakhiwo eziqinile ezimunca umsindo emakamelweni ane-anechoic, kanye nezinto ezisetshenziswayo ezinamathayili ezinamathayela.
Ikhalenda
Ikhethini lisebangeni elithile ukusuka odongeni kanye nengilazi yefasitela, njengokungathi kukhona ungqimba lomoya ngemuva kwezinto ezinama-porous. Yize ingavalwanga ngokuphelele, isenawo umthelela othize wokumunca umsindo kumaza aphakathi nendawo naphezulu.
Ukungena komhume
Ukuvuleka okuvulekele inkambu yomsindo yangaphandle yamahhala kubamba umsindo ngokuphelele ngokubuka kwasendlini, nge-coefficient yokumunca yomsindo engu-1 yawo wonke amafrikhwensi. Inomthelela omkhulu ezindabeni ze-acoustics zamagumbi. Uma imbobo ingabhekene nenkundla yomsindo yamahhala, i-coefficient yayo yokumunca umsindo izoba ngaphansi kuka-1.
Abantu nefenisha
Abantu nefenisha nakho kungakwazi ukumunca umsindo, ngakho-ke kungama-absorber omsindo. Ivolumu yokumunca yezinto ezijwayelekile ezimunca umsindo nezakhiwo zingabalwa ngokusekelwe kumkhiqizo we-coefficient yazo yokumunca kanye nendawo esebenzayo. Ngakho-ke, izici zokumunca umsindo zivezwa ngevolumu yokumunca yomuntu ngamunye noma ifenisha ngayinye. Umkhiqizo wazo kanye nenombolo (noma inombolo yezingcezu) iyinani levolumu yokumuncwa.
Ngokuthuthuka okusheshayo kwesayensi nobuchwepheshe besimanje, kuzoba nezinhlobo eziningi nemisebenzi yezinto zokwakha ze-acoustic. Ukuze kuhlangatshezwane nesidingo esikhulayo sabantu sezinto ezimunca umsindo, ukusetshenziswa kwezinto ezimunca umsindo kuzokwanda kakhulu esikhathini esizayo.
Ukuze uthole ulwazi olwengeziwe mayelana ne-SINOYQX Melamine Foam, sicela usithinte ku- [email protected] noma usithumelele izwi: +86-28-8411-1861.
Ezinye izithombe nemibhalo kukhiqizwa kabusha ku-inthanethi, futhi i-copyright ingeyombhali wokuqala. Uma kukhona ukwephulwa komthetho, sicela usithinte ukuze ukususe.