Ho hlahlojoa ha Litšobotsi tsa Phetisetso ea Mocheso oa Metal Foam le Tšebeliso ea Eona ho Indasteri ea HVAC

Tlhokahalo ea matla ea lefats'e e ntse e eketseha ka sekhahla sa hoo e ka bang 1.3% ka selemo, 'me paballo ea matla le phokotso ea mocheso ke e' ngoe ea maano a bohlokoa a nts'etsopele ea naha, kahoo lisebelisoa tse bolokang matla tšimong ea ts'ebeliso ea matla (ho fetola mocheso, ho boloka mocheso, le heat utilization) e hohela batho ba bangata.

Foam ea tšepeke theknoloji ea ho sebetsana le thepa e hlahisitsoeng ke rasaense oa Amerika Sosnick ka 1948, mofuta oa pore o entsoeng ke masapo a tšepe a mofuta oa ligament le likarolo tsa pore tse hokahaneng le lisele tse bulehileng, sele e 'ngoe le e' ngoe e bulehileng (pore) e kenyelletsa 12 ~ 14 pentagonal kapa hexagonal, thepa hoaluminium, tšepe, nickel, koporo, li-ceramics, le li-alloys tsa tšepe, tse nang le litšobotsi tse babatsehang tsa tšepe e tsoelang pele ea mohato le litšobotsi tsa li-pores tsa discrete-phase.
Metal foams e khetholloa ka lintlha tse latelang tsa bohlokoa:
1. Bophahamo ba pore ke bophara bo tloaelehileng ba menyetla le mefuta e tsoang ho 0.1 ho ea ho 10 mm;
2. Bophara ba skeleton ke bophara bo tloaelehileng ba skeleton ea tšepe;
3. pore density ke palo ea masoba ka inch 'me e amana le boholo ba sele, boholo ba pore, le boholo ba likhopo;
4. porosity ε ke karolo ea molumo oa li-pores tse fumanoang ho tloha boima le boholo ba litekanyo tsa sampuli, ho tloha ho 80% ho ea ho 99%, 'me li ka aroloa ka li-pores tse bulehileng le tse koetsoeng ho latela hore na li-pores li ka khoneha kapa che.
Ka lebaka la litšoaneleho tsa phallo ea mokelikeli le phapanyetsano ea mocheso, ts'ebeliso ea matla a matla hangata ke mofuta oa pore o bulehileng, o nang le sebopeho sa pore se sa feleng se nang le mahlakore a mararo ka hare, 'me ho na le li-pores pakeng tsa skeleton e tiileng,' me mokelikeli o ka phalla. ka hare ho pores, ka porosity ε> 80%, sebaka se seholo se khethehileng (1000 ~ 5000 m2 / m3), conductivity e kholo ea mocheso, le ts'ebetso e ntle ea phapanyetsano ea mocheso, e leng e sebelisoa haholo mochining oa mocheso, ho pholisa ka elektroniki, le liseleng tsa mafura. Litsing tsa matla a matla li sebelisoa ka mocheso oa mocheso o nang le tšepe ea foam e kentsoeng, ba bokellang letsatsi, ba amohelang letsatsi, li-accumulators tsa mocheso joalo-joalo.
Ho ea ka litšobotsi tsa sebopeho le likarolo tsa 'mele tsa foam ea tšepe, ho batlisisa ts'ebeliso e sebetsang ea foam ea tšepe tšimong ea HVAC, ka ho latellana, ho tloha ho fetisa mocheso, ho bokella mocheso, ho boloka mocheso likarolo tse 3 tsa lisebelisoa tsa eona tse ka sehloohong le litšobotsi tsa thuto, tse ka sehloohong. liphetho ke tse latelang:
(1) mochini oa mocheso o kentsoeng ka har'a foam ea tšepe ke mochine o sebetsang hantle haholo oa mocheso o sebetsang hantle, o ka eketsang mocheso oa mocheso oa convective ka makhetlo a 3 ~ 9; lisebelisoa tse fapaneng (koporo, aluminium, nickel) e ka ntlafatsa haholo bokhoni ba ho matlafatsa ho fetisoa ha mocheso, 'me lisebelisoa tse fapaneng li ka etsa hore mocheso oa mocheso o fapane; foam tšepe ka khopolo ea ho fetisa mocheso ka porosity, pore segokanyipalo, le permeability ea sekala sa pore ke ho fumana hore ho fetiswa ha mocheso oa mekhahlelo e meholo ea katleho; litekanyo ka tekanyo ea mocheso oa mocheso, ho theoha ha khatello, ho phalla ha ho kopana ha mocheso oa mocheso oa mocheso ke parameter e kholo; litekanyo ka lebelo la ho fetisoa ha mocheso, ho theoha ha khatello, ho phalla ho tiileng Ho kopanya mocheso oa mocheso oa mocheso oa likarolo tse kholo ho hlokahala ho khethoa, ke moralo oa mocheso oa mocheso ke litekanyetso tse ka sehloohong tsa pontšo.
(2) Foam ea tšepe e sebelisoa litsing tsa mokelli oa letsatsi, ka lebaka la foam ea tšepe e sebelisoang boemong bona ba mocheso o phahameng, phello ea mahlaseli a mocheso e hlakile ebile e laola. Phello ea ho kopanya ha mocheso oa mocheso le mocheso oa mahlaseli a mocheso ka mocheso o phahameng ka mokhoa oa ho fetisa mocheso, hammoho le ho khetheha ha sebopeho sa foam ea tšepe, e etsa hore lintlha tse amang ts'ebetso e sebetsang ea mocheso oa foam ea tšepe le mokhoa oa ho fetisa mocheso ka makhetlo a mangata. le rarahaneng. Ho tloaelehile ho sebelisoa ke ba bokellang ka ho toba ba bokellang matla a letsatsi le babokelli ba letsatsi ba volumetric, moo mokelli oa ho monya ke tšusumetso ea foam ea tšepe ka matla a matla a letsatsi, pakeng tsa tšepe, foam le mokelikeli oa mocheso oa mocheso o ama ka tsela e sa tobang ts'ebetso ea moamoheli oa matla a letsatsi; pokello ea volumetric ke tšebeliso ea phallo ea moea le phallo ea matla a letsatsi ka har'a sesebelisoa, geometry le tlhophiso ea thepa ea foam ea tšepe e nka lintlha tse ka sehloohong.
(3)Foam ea tšepee sebelisoa lisebelisoa tsa polokelo ea matla a mocheso ka lebaka la ho tsoela pele ha mohaho le ts'ebetso e phahameng ea mocheso oa mocheso, ho sebelisa mocheso oa eona o phahameng oa mocheso, porosity e phahameng le sebaka se phahameng se khethehileng sa holim'a metsi, le lisebelisoa tsa phetoho ea karolo e nang le matla a maholo a ho boloka mocheso, mohaho o bonolo ebile ha ho hlokahale. ho sebelisa matla a eketsehileng, joalo-joalo, melemo ea superposition ea sebopeho sa lisebelisoa tsa phetoho ea likarolo tse ngata, ho ntlafatsa phetisetso ea mocheso oa parafine, ho matlafatsa conductivity ea mocheso oa thepa ea phetoho, thuto ea ntlafatso ea foam tšepe mogato phetoho lintho tse bonahalang Ntlafatso ea tšepe foam ka mohato phetoho lintho tse bonahalang tlhophiso, fetola porosity le pore sekala, khetho ea thepa, joalo-joalo ka tsamaiso e kopanyang ea mohato phetoho nako karabo, kabo mocheso, nako ea ho boloka mocheso le phetisetso ea mocheso e na le tšusumetso ea bohlokoa ntlafatsong e latelang ea moralo oa lisebelisoa ho fana ka motheo o itseng oa theory.