Njengoba abantu benaka kakhulu indawo yangaphakathi, izinto ezimunca umsindo, njengendlela ebalulekile yokuthuthukisa indawo ye-acoustic yangaphakathi, ziye zasetshenziswa kabanzi ezakhiweni ezahlukene, ezimotweni nasemishinini. Ngakho-ke, iyini isimiso sokumunca umsindo sezinto ezimunca umsindo?
Umgomo wokumunca umsindo wezinto ezimunca umsindo ungabalelwa ezinhlotsheni ezimbili: uhlobo lwe-air impedance kanye nohlobo lwe-pore impedance. Lezi zimiso ezimbili zizochazwa ngokuningiliziwe ngezansi.
Okokuqala, uhlobo lwe-air impedance ebamba umsindo
Izinto ezimunca umsindo zohlobo lwe-air zisebenzisa ukuboniswa nokudluliswa kwamagagasi omsindo ngongqimba lwegesi ebusweni bento ukuze kuzuzwe ukumuncwa komsindo. Ikakhulukazi, lapho amaza omsindo eshaya phezulu kwento emunca umsindo, asebenzisana nongqimba lwegesi ebusweni bento. Okusho ukuthi, ingxenye yegagasi lomsindo ibonakala, futhi enye ingxenye yegagasi lomsindo idlula ungqimba lwegesi futhi ingene ngaphakathi kwempahla emunca umsindo, bese ilokhu ibonakalisa, inciphe, futhi isakaza ngaphakathi kwempahla, futhi ekugcineni iguqule ibe amandla okushisa futhi imuncwe.
Kule nqubo, ukuvimbela ungqimba lwegesi kuyisici esibalulekile ekunqumeni ukubonakaliswa nokudluliselwa kwamagagasi omsindo. Uma umehluko omkhulu phakathi kokuvinjelwa kongqimba lwegesi kanye nokuvinjwa komoya, kuqina amandla amaza omsindo okudlula ebusweni bento, ngaleyo ndlela kuzuzwe ukumuncwa okungcono komsindo. Ngakho-ke, izinto ezimunca umsindo zokuvala umsindo komoya ngokuvamile zisebenzisa izindlela ezithile zokwelapha ezikhethekile ebusweni bento, njengokwengeza izinto ezinezimbotshana, ukunciphisa ubulukhuni bobuso, ukukhulisa ubulukhuni bendawo, njll., ukukhulisa ungqimba lwegesi, ngaleyo ndlela kuthuthukiswe umphumela wokumunca umsindo.
Okwesibili, uhlobo lwe-pore impedance materials emunca umsindo
Uhlobo lwe-pore impedance olumunca umsindo ukusetshenziswa kwesakhiwo sembotshana ngaphakathi kwento ekukhanyeni kwegagasi lomsindo, ukuhlakazeka nokumunca ukuze kuzuzwe ukumuncwa komsindo. Umgomo oyisisekelo wezinto ezimunca umsindo ezimbotsheni ezimbotshana ukuthi isigameko samaza omsindo ngaphakathi kwento izosebenzisana nama-molecule omoya ngaphakathi kwempahla, okuholela ekushintsheni kwengcindezi nokunyakaza, ngaleyo ndlela akhiqize ukubonakaliswa, ukuhlakazeka nokumuncwa.
Ngokungafani nezinto ezimunca umsindo komoya-impedance, umphumela wokumunca umsindo wezinto ezibamba umsindo we-pore-impedance uhlobene nesakhiwo sembotshana yezinto. Ikakhulukazi, lapho ububanzi bembotshana bukhulu kunobude begagasi lomsindo, igagasi lomsindo lingangena embotsheni, i-resonance kanye nokumuncwa; futhi lapho ububanzi bembotshana buncane kunobude begagasi lomsindo, igagasi lomsindo alikwazi ukungena ngaphakathi kwembotshana, kodwa kuphela embotsheni ezungeze ukubonakaliswa nokuhlakazeka.
Ngakho-ke, izinto ezimunca umsindo we-pore impedance zivame ukusebenzisa ukwakheka kwesakhiwo se-pore esikhethekile ukuze kufezwe umphumela omuhle kakhulu wokumunca umsindo . Isibonelo, ezinye izinto ezimunca umsindo we-pore impedance zenziwe ngezinto zefayibha ezinezingqimba eziningi, futhi isakhiwo se-pore sengqimba ngayinye yefayibha sihlukile, ukuze kufezwe ukumunca kwamaza omsindo ezikhathini ezahlukene. Ezinye izinto ezimunca umsindo we-pore impedance zenziwe nge-foam noma izakhiwo ze-honeycomb, ezisebenzisa ama-pores nezikhala zobukhulu obuhlukene ukuze kufezwe umphumela wokumunca umsindo.
Kumele kuqashelwe ukuthi umphumela wokukhipha umsindo we-air-impedance kanye ne-pore-impedance-impedance-absorbent materials ithinteka yizici eziningana, njengobukhulu bezinto ezibonakalayo, ukuminyana, i-porosity, izindlela zokwelashwa kwendawo nokunye. Ngakho-ke, lapho uklama futhi ukhetha izinto ezimunca umsindo, kuyadingeka ukuthi ucabangele izimo eziqondile zohlelo lokusebenza kanye nezidingo, bese ukhetha izinto ezifanele kakhulu ezimunca umsindo.
Isifinyezo
Umgomo wokumunca umsindo wezinto ezimunca umsindo ungafingqwa ngezinhlobo ezimbili: uhlobo lwe-air-impedance kanye nohlobo lwe-pore-impedance. Into emunca umsindo yohlobo lwe-air iwukusebenzisa ungqimba lwegesi ebusweni bento ukukhombisa nokudlulisa amaza omsindo ukubona ukumuncwa komsindo, kuyilapho uhlobo lwe-pore impedance olumunca umsindo luwukusebenzisa ukwakheka kwembotshana yangaphakathi kwento ebonakalayo ukuze ibonise, ihlakaze futhi imunce amaza omsindo ukuze uthole ukumuncwa komsindo. Ekusetshenzisweni okungokoqobo, kuyadingeka ukukhetha into emunca umsindo efaneleke kakhulu ngokuya ngokwesimo sohlelo oluthize kanye nezidingo, futhi ngesikhathi esifanayo, unake umthelela wokuqina, ukuminyana, ukuqina, ukwelashwa kwendawo nezinye izici kumphumela wokumunca umsindo.
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.