He aha ka ke kumu nui rula o ka pono Pahu Hau, a me ka refrigeration kahua?

ʻO kēia ao nei mea paakiki e manao wale me ka piʻi like o iao? Aʻanoʻenehana ka holomua a me ka ulu ana o ka noho. Mahaloʻepekema discoveries kanaka i ka i loaʻa acee? Iuo oeiia o ka ikaika i keia la waiwai manaʻo kanaka. I kekahi o kēia mau Hopu i ka hana mea hou i hana muaʻole o refrigeration pa alima i ka 1910, ka Palani physicist Marcel Odifrenom.

I ka rula o ka hana ana o ka Pahu Hau ma muli o ka physical kŰia o ka condensation a me ke omoāea, a ua kaheaia like penei: ka wela EII ni refrigeration'ōnaehana hoʻoili i ka wela i ka ikehu mai ke keʻena hana ana i ka waho, a anuanu a ua dissipated i loko o ke kaiapuni. Ke anuanu maila kinoea i hana like freon, luaipele hexafluoride, ammonia, a hāpai mai i ka inverse kaʻina hana, ma i ke anu ua hua.

E hoʻokō i kekahi kiʻekiʻe anuanu maila 'hanaia ua koi nui wahi o ka hahana maoli nō kēia, a anuanu maila i ka wela poe kuai, e e hiki i ka ho okumu ana kiʻekiʻe puʻe. Hoikehonua, refrigeration nenoai ia mea i mau pono, no laila, 'aneʻi ma ka mea e kū ai i ka koi puʻe hoʻohana compressors i oOeEIAOO a EII ni refrigerant ka ohu, ma laila mahuahua ole wale i ka manaʻo koikoi akā, i ka wela o ka coolant. Penei, ka loina o ka hana o ka refrigeration'ōnaehana ua ma muli o ka walaʻauʻana kānāwai o ke kālaikūlohea.

Refrigeration compressors mea o na kēia mau 'ano:

- hoʻohewa;

- kuʻe;

- centrifugalʻano.

Ka hope i ka loa a me ka pono hoʻomano hoʻohana i ke kālā no refrigeration nenoai no hanalima ana. Eia hou, i kekahi Pahu Hau a me ka pahu hau pono ka loaʻa o ka mea pihana a ua manao ia e hoohuli i ka mahu i loko o ka wai ma muli o ka loli ma Ambient ana wela.

Ma mau, he Pahu Hau hana rula ua ole wale hoʻohana 'ia paha refrigeration no kela hana, akā, na ke kūpaleʻana nenoai, mai ma ka hōʻoiaʻana i ka puʻe i loko o ka'ōnaehana ke loaa ka makemake ana wela i loko o ke keʻena i hoʻolilo' ia. A hiki aku ka mea'opihia hele refrigerant ma lalo kiʻekiʻe puʻe ma ka kūikawā orifice, a komo i ka vaporization keʻena, kahi o ka kūpono pahikakiwi oi emi ana loli koke iho i loko o mahu puʻe. Ma keia physical kŰia o ka refrigerant aie i kona waiwai ka mea, e wela mai ka evaporator paia, kūpono ma ka gradual anuanu maila 'o ke kipi keena o ka refrigeration pa alima.

I ka rula o ka hana ana o ka Pahu Hau i ua hoʻohana no maluna o 100 makahiki, a me na makahiki, ua oi hou, a hou mea hoʻonoho. Kekahi o ka polokalamu hana ma keia kahua i Ua ka muli o thermoelectric refrigeration huahelu e hoʻohana i ka Peltier rula. Ka hopena ua ma muli o ka hanana o ke ana wela koena unuhi o ka meakino ka wā i kaʻikena kahe, a ma ia mea hiki ke hoʻokō hoemi i ke kipi ana wela o ka refrigeration kaiapuni a puni. I loko nō o ka mea i ka poe i aoia lōʻihi kahiko ike i ka waiwai o ka uila papa, a he ākea nei ia anu hale kūʻai i i loaa. IeAUPIIe, IAa IO ka mea, e hoʻohana 'ia i loko o ke kaʻa refrigerators, coolers a me ka inu ana i ka wai cooler eke, akā, no ka mea, o ka mea kiʻekiʻe lilo o ka thermoelectric anuanu maila' hehee manao a nei i ole ua lawa hoʻolaha.

Hoikehonua, hana Pahu Hau rula e ae i ka palapala noi o hanalima refrigerating a me ke kūpaleʻana huahelu i loko o ka meaʻai hana, e like me ke anu pūnaewele hale a me ka neeaa nā huahana. He paʻakikī e overestimate i ka manaʻo nui o ka loaʻa o ke kānāwai lua o thermodynamics, no ka mea, me ka mea makemake e hiki ole ke hoʻokō i nā hana a pau o kēiaʻai aaioee mea kanu. Penei, ka loina o ka hana o ka Pahu Hau i keia la i kau i ka hookumuia'na mai o ke kālā no ka huʻihuʻiʻana nenoai o nā hanalima a me ka wahi lulu mau hana.