Njengoko abantu benikela ingqalelo ngakumbi kwimeko-bume yangaphakathi, izixhobo ezifunxa isandi, njengendlela ebalulekileyo yokuphucula imeko-bume yesandi yangaphakathi, ziye zasetyenziswa kakhulu kwizakhiwo ezahlukeneyo, izithuthi, kunye noomatshini. Ngoko ke, yintoni umgaqo wokufunxa isandi wezixhobo ezifunxa isandi?
Umgaqo wokufunxa isandi wezinto ezifunxa isandi unokunxulunyaniswa neentlobo ezimbini: uhlobo lwe-impedance yomoya kunye nohlobo lwe-pore impedance. Le migaqo mibini iya kuchazwa ngokweenkcukacha ngezantsi.
Okokuqala, uhlobo lwe-impedance yomoya efunxa isandi
I-air impedance yohlobo lwezixhobo ezifunxa isandi zisebenzisa ukubonakalisa kunye nokuhanjiswa kwamaza omsindo ngumaleko werhasi phezu kwendawo yezinto ukufezekisa ukufunxa isandi. Ngokukodwa, xa amaza esandi ebetha umphezulu wezinto ezifunxa isandi, anxibelelana nomaleko wegesi kumphezulu wento. Oko kukuthi, inxalenye yomsindo wesandi ibonakaliswe, kwaye enye inxalenye yomsindo wesandi idlula kwi-gas layer kwaye ingene ngaphakathi kwezinto ezifunxa isandi, kwaye emva koko ibonakalisa ngokuqhubekayo, iyancipha, kwaye isasazeke ngaphakathi kwezinto, kwaye ekugqibeleni iguqule ibe amandla obushushu kwaye ifunnwe.
Kule nkqubo, i-impedance ye-gas layer yinto ephambili ekunqumeni ukubonakaliswa kunye nokuhanjiswa kwamaza omsindo. Okukhona umahluko omkhulu phakathi kwe-impedance yomaleko werhasi kunye nokuphazamiseka komoya, kokukhona kunamandla okukwazi kwamaza omsindo ukudlula kumphezulu wezinto eziphathekayo, ngaloo ndlela kufezekiswa ukufunxwa kwesandi esingcono. Ke ngoko, izixhobo zokufunxa isandi somoya zihlala zisebenzisa iindlela ezithile zonyango ezikhethekileyo kumphezulu wezinto eziphathekayo, ezinjengokongeza izinto ezirhabaxa, ukunciphisa ubulukhuni bomphezulu, ukunyusa uburhabaxa bomphezulu, njl.njl., Ukonyusa i-impedance yomaleko werhasi, ngaloo ndlela kuphuculwe isiphumo sokufunxa isandi.
Okwesibini, i-pore impedance uhlobo lwezixhobo ezifunxa isandi
I-Pore impedance yohlobo lwezinto ezifunxa isandi kukusetyenziswa kwesakhiwo se-pore ngaphakathi kwesixhobo sokubonakaliswa kwamaza omsindo, ukusasazeka kunye nokufunxa ukufezekisa ukufunxwa kwesandi. Umgaqo osisiseko we-pore impedance yezixhobo zokufunxa isandi kukuba isiganeko samaza omsindo ngaphakathi kwesixhobo siya kusebenzisana kunye neemolekyuli zomoya ngaphakathi kwezinto, okukhokelela ekutshintsheni koxinzelelo kunye nokunyakaza, ngaloo ndlela kuvelisa ukubonakaliswa, ukusasazeka kunye nokufunxa.
Ngokungafaniyo nezixhobo zokutsala isandi somoya-moya, impembelelo yokunciphisa isandi se-pore-impedance-absorbent materials ihambelana nesakhiwo se-pore sezinto eziphathekayo. Ngokukodwa, xa i-diameter ye-pore inkulu kune-wavelength yesandi, i-wave wave yesandi inokungena kwi-pore, i-resonance kunye ne-absorption; kwaye xa i-diameter ye-pore incinci kune-wavelength yesandi, i-waveve yesandi ayinakungena ngaphakathi kwi-pore, kodwa kuphela kwi-pore ejikeleze umboniso kunye nokusabalalisa.
Ke ngoko, izixhobo ezifunxa isandi se-pore impedance zihlala zisebenzisa uyilo oluthile lwesakhiwo se-pore ekhethekileyo ukuze kufezekiswe isiphumo esihle sokufunxa isandi . Umzekelo, ezinye izixhobo ezifunxa isandi se-pore-impedance zenziwe ngezinto zefayibha ezinamaleya amaninzi, kwaye isakhiwo se-pore somaleko ngamnye wefayibha sahlukile, ukuze kufezekiswe ukufunxa amaza esandi eefrikhwensi ezahlukeneyo. Ezinye izixhobo ezifunxa isandi se-pore-impedance zenziwe ngezakhiwo ze-foam okanye ze-honeycomb, ezisebenzisa ii-pores kunye nezikhewu zobukhulu obahlukeneyo ukuze kufezekiswe isiphumo sokufunxa isandi.
Kufuneka kuqatshelwe ukuba isiphumo somsindo we-air-impedance kunye ne-pore-impedance-impedance-absorbing materials ichaphazeleka zizinto ezininzi, ezifana nobukhulu bezinto eziphathekayo, ubuninzi, i-porosity, iindlela zonyango zonyango kunye nokunye. Ngoko ke, xa uyila kwaye ukhetha izinto ezithatha isandi, kuyimfuneko ukuqwalasela iimeko ezithile zesicelo kunye neemfuno, kwaye ukhethe ezona zixhobo ezifanelekileyo zokufunxa isandi.
isishwankathelo
Umgaqo-siseko wokufunxa isandi wezinto ezithatha isandi unokushwankathelwa zibe ziindidi ezimbini: uhlobo lwe-air-impedance kunye ne-pore-impedance type. Uhlobo lwe-air impedance efunxa isandi kukusebenzisa umaleko werhasi kumphezulu wezinto ezibonakalayo ukubonakalisa kunye nokuhambisa amaza omsindo ukuqonda ukufunxwa kwesandi, ngelixa i-pore impedance yohlobo olufunxa isandi kukusebenzisa ubume bangaphakathi bomathiriyeli ukubonakalisa, ukusasaza kunye nokufunxa amaza esandi ukuqonda ukufunxa isandi. Kwisicelo esisebenzayo, kuyimfuneko ukukhetha eyona nto ifanelekileyo yokufunxa isandi ngokwemeko yesicelo esithile kunye neemfuno, kwaye kwangaxeshanye, nikela ingqalelo kwimpembelelo yobuninzi bezinto eziphathekayo, ubuninzi, i-porosity, unyango lomphezulu kunye nezinye izinto kwisiphumo sokufunxa isandi.
Ukuze ufumane ulwazi oluthe kratya malunga ne-SINOYQX Melamine Foam, nceda usiqhagamshelane nathi ku- [email protected] okanye usithumelele ilizwi ku: +86-28-8411-1861.
Eminye imifanekiso kunye nezicatshulwa zenziwe kwakhona kwi-Intanethi, kwaye i-copyright yeyombhali wokuqala. Ukuba kukho naluphi na ulwaphulo-mthetho, nceda uqhagamshelane nathi ukuze ucime.