Nchọgharị Àgwà Mfefe Okpomọkụ nke ụfụfụ ọla na ngwa ya na ụlọ ọrụ HVAC

Ọchịchọ ike nke ụwa na-eto eto na ihe dịka 1.3% kwa afọ, na nchekwa ike na mbelata ikuku bụ otu n'ime atụmatụ mmepe dị mkpa nke mba ahụ, yabụ akụrụngwa na-echekwa ike na mpaghara ngwa ike (ntụgharị ọkụ, nchekwa ọkụ, na ikpo ọkụ itinye n'ọrụ) na-adọta ọtụtụ nlebara anya.

Ọfụfụ ígwèbụ nkà na ụzụ nhazi ihe onwunwe nke onye ọkà mmụta sayensị America bụ Sosnick tụpụtara na 1948, ụdị pore nke e mepụtara site na ụdị ọkpụkpụ ọkpụkpụ na oghere pore jikọtara ya na sel mepere emepe, sel ọ bụla na-emeghe (pore) na-agụnye 12 ~ 14 pentagonal ma ọ bụ hexagonal elu. ihe naaluminom, ígwè, nickel, ọla kọpa, ceramics, na metal alloys, nke nwere magburu onwe e ji mara ma na-aga n'ihu na-phase metal na àgwà nke discrete-phase pores.
A na-eji isi ihe ndị a mara foams metal:
1. The pore dayameta bụ nkezi dayameta nke oghere na site na 0.1 ruo 10 mm;
2. Ọkpụkpụ ọkpụkpụ bụ nkezi dayameta nke ọkpụkpụ ígwè;
3. pore density bụ ọnụ ọgụgụ nke pores kwa inch na-ejikọta ya na cell size, pore size, na ọgịrịga;
4. porosity ε bụ akụkụ dị nta nke pores enwetara site na oke na nha nha nke ihe nlele, sitere na 80% ruo 99%, enwere ike kewaa ya n'ime oghere na-emeghe na mechiri emechi dịka ma pores bụ permeable ma ọ bụ na ọ bụghị.
N'ihi na e ji mara nke mmiri eruba na okpomọkụ mgbanwe, ngwa na ike ubi bụ ukwuu n'ime oghere pore ụdị, nke nwere a na-aga n'ihu na unobstructed atọ akụkụ pore Ọdịdị n'ime, na e nwere pores n'etiti skeleton siri ike, na mmiri nwere ike na-asọpụta. n'ime pores, na porosity ε> 80%, nnukwu kpọmkwem n'elu ebe (1000 ~ 5000 m2 / m3), nnukwu thermal conductivity, na ezi okpomọkụ mgbanwe arụmọrụ, nke bụ. A na-ejikarị ya na igwe na-ekpo ọkụ, igwe eletrọnịkị, na cell mmanụ. N'ime ụlọ ọrụ ike, a na-eji ndị na-ekpo ọkụ na-ekpo ọkụ na-eji ígwè ụfụfụ agbakwunyere, ndị na-anakọta anyanwụ, ndị na-anata anyanwụ, ndị na-ekpo ọkụ ọkụ na ihe ndị ọzọ.
Dị ka structural e ji mara na anụ ahụ atụmatụ nke metal ụfụfụ, nyochaa functionalized ngwa metal ụfụfụ na ubi nke HVAC, karị, si okpomọkụ nyefe, okpomọkụ collection, okpomọkụ nchekwa 3 akụkụ nke ya isi ngwa na àgwà nke ọmụmụ, isi. nchoputa bu ndi a:
(1) onye na-ekpo ọkụ na-ekpo ọkụ na-agbanye n'ime ụfụfụ ígwè bụ ihe na-arụ ọrụ nke ọma na-arụ ọrụ nke ọma, nke nwere ike ime ka ọnụọgụ ọkụ na-ebufe ọkụ na-ekpo ọkụ site na 3 ~ 9 ugboro; ihe dị iche iche (ọla kọpa, aluminum, nickel) nwere ike imeziwanye ikike iji mee ka nnyefe ọkụ sikwuo ike, na ihe dị iche iche nwere ike ime ka ọnụọgụ ọkụ ọkụ dị iche iche; ụfụfụ metal na tiori nke okpomọkụ nyefe na porosity, pore density, na permeability nke pore ọnụ ọgụgụ bụ iji chọpụta okpomọkụ nyefe nke isi parameters nke dị irè; paramita dị na ọnụego nke nnyefe ọkụ, nkwụsị nrụgide, ntinye nke njikọta nke ọnụọgụ ọkụ ọkụ bụ isi ihe; paramita dị na ọnụego nke nnyefe ọkụ, nkwụsị nrụgide, eruba nke siri ike Njikọta nke okpomọkụ nyefe ọnụọgụ nke isi ihe dị mkpa ka a kpebisie ike, bụ imewe nke okpomọkụ Exchanger bụ isi egosi parameters.
(2) A na-eji ụfụfụ ígwè eme ihe na ụlọ ọrụ nchịkọta anyanwụ, n'ihi ụfụfụ ígwè a na-eji mee ihe na ọnọdụ okpomọkụ a dị elu, mmetụta ọkụ ọkụ ọkụ na-apụta ìhè ma na-achịkwa. Mmetụta njikọ nke ikpo ọkụ na-ekpo ọkụ na ọkụ ọkụ ọkụ na-ekpo ọkụ na okpomọkụ dị elu na usoro nnyefe ọkụ, yana nkọwa nke nhazi nke ụfụfụ ígwè, na-eme ka ihe ndị ahụ na-emetụta irè thermal conductivity nke ígwè ụfụfụ na okpomọkụ nnyefe mode otutu. na mgbagwoju anya. A na-ejikarị eme ihe bụ ndị na-anakọta anyanwụ kpọmkwem na ndị na-anakọta ụda nke anyanwụ, nke onye na-anakọta absorption bụ mmetụta nke ụfụfụ ígwè na ntinye ike nke anyanwụ na-achịkwa, n'etiti ígwè, ụfụfụ na mmiri ọkụ na-ekpo ọkụ na-emetụta n'ụzọ na-ezighị ezi na-emetụta arụmọrụ nke onye nata ike anyanwụ; onye na-anakọta volumetric bụ ojiji nke ikuku ikuku na ike anyanwụ na-abanye na ngwaọrụ ahụ, geometry na nhazi ihe nke ụfụfụ ígwè na-eburu isi ihe.
(3)Ọfụfụ ígwèna-eji na thermal ike nchekwa ngwaọrụ n'ihi na continuity nke Ọdịdị na elu arụmọrụ nke thermal conductivity, na-eji ya elu thermal conductivity, elu porosity na elu kpọmkwem n'elu ebe, na oge mgbanwe ihe na nnukwu okpomọkụ nchekwa ikike, mfe Ọdịdị na ọ dịghị mkpa. iji rie ọzọ ume, wdg, uru nke superposition nke mejupụtara nke ihe mejupụtara na-agbanwe agbanwe ihe, welie okpomọkụ nyefe nke paraffin, ike thermal conductivity nke usoro mgbanwe ihe, na-amụ banyere mma nke ígwè ụfụfụ na mgbanwe mgbanwe mgbanwe ihe Mmalite nke ígwè ụfụfụ na nhazi mgbanwe nhazi ihe, gbanwee porosity na pore scale, nhọrọ nke ihe, wdg na usoro mgbagwoju anya nke oge mgbanwe mgbanwe oge, okpomọkụ nkesa, okpomọkụ nchekwa oge na ihe ndị ọzọ. nnyefe okpomọkụ nwere mmetụta dị mkpa na njikarịcha na-esote nke imewe nke ngwá ọrụ iji nye ụfọdụ usoro ihe ọmụma.