Ngwa mgbanwe nke usoro (PCMs) bụ ụdị ihe pụrụ iche nke nwere ike ịmịnye ma ọ bụ hapụ nnukwu ike ọkụ n'otu ọnọdụ okpomọkụ, mgbe a na-enwe mgbanwe na ọnọdụ anụ ahụ, dị ka site na siri ike gaa na mmiri mmiri ma ọ bụ ọzọ.Ngwongwo a na-eme ka ihe mgbanwe oge nwere uru ngwa dị mkpa na njikwa okpomọkụ, nchekwa ike na mpaghara njikwa okpomọkụ.Ihe na-esonụ bụ nyocha zuru ezu nke ihe mgbanwe nke oge:
ihe onwunwe
Ihe bụ isi njirimara nke ihe mgbanwe nke oge bụ ike ịmịnye ma ọ bụ hapụ nnukwu okpomọkụ latent na ọnọdụ okpomọkụ (okpomọkụ mgbanwe oge).N'ime usoro mmịpụta ọkụ, ihe na-agbanwe site n'otu akụkụ gaa na nke ọzọ, dị ka site na siri ike gaa na mmiri mmiri (agbaze).N'oge usoro exothermic, ihe na-agbanwe site na mmiri mmiri na-esi ike (nkwụsị ike).Usoro mgbanwe nke oge a na-emekarị n'ime oke okpomọkụ dị warara, na-enye ohere ka ihe mgbanwe nke oge nwee ezigbo nkwụsi ike na okpomọkụ na ọ fọrọ nke nta ka ọ bụrụ mgbe niile.
Ụdị isi
Enwere ike kewaa ihe mgbanwe usoro n'ime ụdị ndị a dabere na akụrụngwa kemịkalụ ha na mpaghara ngwa:
1. PCM Organic: gụnyere paraffin na fatty acids.Ihe ndị a nwere ezigbo nkwụsi ike nke kemịkalụ, nrụgharị, yana oke okpomọkụ mgbanwe oge kwesịrị ekwesị.
2. PCM inorganic: gụnyere ngwọta saline na ogige ígwè.Nrụpụta ọkụ ha na-adịkarị mma karịa PCM organic, mana ha nwere ike iche nsogbu nkewa na corrosion chere ihu.
3. PCM nke biobased: Nke a bụ ụdị PCM na-apụta nke sitere na ihe ndị sitere n'okike ma nwee njirimara gburugburu ebe obibi na nke na-adigide.
mpaghara ngwa
A na-eji ihe mgbanwe usoro n'ọtụtụ ebe n'ọtụtụ mpaghara, gụnyere gụnyere:
1. Ịrụ ọrụ ike: Site na ijikọta PCM n'ime ihe owuwu ụlọ dị ka mgbidi, ala, ma ọ bụ n'uko ụlọ, enwere ike ịhazi okpomọkụ nke ime ụlọ nke ọma, na-ebelata oriri ume maka ntụ oyi na kpo oku.
2. Nchekwa ike okpomọkụ: PCM nwere ike ịmịkọrọ okpomọkụ na okpomọkụ dị elu ma hapụ okpomọkụ na obere okpomọkụ, na-enyere aka ịhazi ike ike na ọchịchọ, karịsịa na ntinye nke ume ọhụrụ dị ka ike anyanwụ na ikuku.
3. Nlekọta okpomọkụ nke ngwaahịa eletrọnịkị: Iji PCM na ngwaọrụ eletrọnịkị nwere ike inye aka jikwaa okpomọkụ a na-eme n'oge arụ ọrụ, melite arụmọrụ, na ịgbatị ndụ ngwaọrụ.
4. Ụgbọ njem na nkwakọ ngwaahịa: Ojiji nke PCM na nri na ụgbọ njem ọgwụ nwere ike idowe ngwaahịa n'okpuru ọnọdụ okpomọkụ kwesịrị ekwesị ma hụ na ngwaahịa ngwaahịa.
Ihe ịma aka nka
N'agbanyeghị uru dị ịrịba ama nke ihe mgbanwe nke oge, ha ka na-eche ụfọdụ ihe ịma aka ọrụ aka na ngwa bara uru, dị ka ndụ ndụ, nkwụsi ike okpomọkụ, na mkpa maka nkwakọ ngwaahịa na teknụzụ ntinye.Ekwesịrị imeri ihe ịma aka ndị a site na ọganihu na sayensị akụrụngwa na teknụzụ injinịa.
A na-atụ anya ihe mgbanwe usoro nke ukwuu n'ọhịa nke ume ndụ ndụ na teknụzụ na-adịgide adịgide n'ihi arụmọrụ ọkụ ha pụrụ iche na atụmanya ngwa sara mbara.
Oge nzipu: Jun-20-2024