HangangaPūtaiao

Wera o te rangi

Ko te wera motuhake rite te uara tinana e whakaatu ana i te nui o te pūngao waiariki e hiahiatia ana ki te huri i te pāmahana inu mahi, i roto i tenei rangi take, ki tetahi tohu. Ko te kaha o te rangi wera ko tika ti'aturi i runga i te pāmahana me te pēhanga. I roto i tenei take, e taea te whakamahi ngā tikanga ki te ako momo rerekē o te kaha wera.

Pāngarau, faaite te kaha o te rangi wera ko rite te ōwehenga o te nui o te wera ki te nuku o tona pāmahana. wera Body, he papatipu o te 1 kg, nuitia huaina motuhake. Ko te wera motuhake niho kauoro o rangi - kaha ia kamiriona o taonga wera. Tohua e te kaha wera - J / K. Ko te wera motuhake titiwha, aua J / (mol * K).

Ka taea te whakaaro e te kaha wera i te huru tinana o te taonga, i roto i tenei rangi take, i roto i te take, ka kawea te inenga i roto i raro i ngā āhuatanga tamau. Nuinga o ngā wā e kawea enei inenga i roto i i te pēhanga tamau. Heoi whakaritea te wera motuhake isobaric o rangi. faarahi te reira i ki te whakanui ake te pāmahana, me te pēhanga, me te he mahi rārangi o nga uara raraunga. I roto i tenei take puta te huringa pāmahana i te pēhanga taimau. Hei tātai i te wera motuhake i te pēhanga tamau he tika ki te whakatau i pseudocritical pāmahana me te pēhanga. Kei te takoto te reira i te whakamahi i raraunga tohutoro.

kaha Heat o rangi. āhuatanga

Air Ko te ranunga hau. A, no te whakaaro o nga whakapae e whai ake nei whāngai i roto i thermodynamics. kia tohaina whakanoho ia hau i roto i te ranunga, puta noa i te rōrahi. Ko te kupu, ko te rōrahi o te hau rite ki te rōrahi o te ranunga katoa. Ia hau i roto i te ranunga roaa tona pēhanga wāhanga e puai te reira i runga i te taiepa oko. kia whai ia o nga wāhanga o te ranunga hau he pāmahana rite ki te ranunga katoa. Ko te moni o nga tenge wāhanga o ngā wāhanga katoa ōrite te pēhanga o te ranunga. whakamana rangi tātaitanga wera motuhake kei i runga i te pūtake o ngā raraunga i runga i te hanganga o te ranunga hau me te kaha o nga wae takitahi wera.

Ko te kaha o te taonga wera ahurei faaite. Mai i te ture tuatahi o thermodynamics taea te faaoti i te reira e te pūngao ā o te tinana rerekē kore anake i runga i te nui o te wera hanga rānei, engari ano hoki i te pai ake mahi te tinana. I raro i ngā āhuatanga rerekē i te rere o te tukanga whakawhiti wera, kia rerekē te mahi tinana. Ko te kupu, ko te tinana karere taua rahinga wera e taea meinga he momo o huringa uara i roto i te pāmahana me te pūngao ā o te tinana. Ko te āhuatanga tenei āhuatanga anake hoki pāpāho haurehu waihā. Rerekē totoka me te wai, matū haurehu waihā, taea nui te huri i te rōrahi, me te mahi i te mahi. Ko Ko te aha te kaha o te rangi wera whakatau te āhua o te tukanga thermodynamic.

Otiia e kore e mahi i te mahi i te rōrahi rangi tamau. Na reira, i te tauiraa i roto i te pūngao ā-he rite ki te huringa i roto i tona pāmahana. Ko te ōwehenga o te wera motuhake i roto i te tukanga ki te pēhanga tamau ki te wera motuhake i tukanga rōrahi tamau he wahi o te tātai tukanga adiabatic. te tohu te reira i te taha o te pukapuka o te gamma Kariki.

i te hītori

Ko ngā "kaha wera" me "nui o te wera" kore te tino pai te whakaahua ratou ngako. Ko e tika ana ki te meka i haere mai ratou ki te pūtaiao hou o te ariā phlogiston, i he rongonui i roto i te rau tau tekau ma waru o tenei. Apee o tenei ariā whakaaro te rite te ahua o te taonga weightless mahana kitea e te i roto i te tinana. kia tenei rawa kia kore ngaro ranei hanga. faataa tautauā me whakawera tinana hekenga ake i te ihirangi caloric, aua ranei. Neke atu i te wa, kua tenei ariā kua whakaaturia pēkerapu. kihai i taea e ia te whakamārama he aha te taua huri i whiwhi i tetahi o te pūngao ā-o te tinana e te whakawhiti ia ki te nui rerekē o te wera, ka tei hoki i runga i te mahi mahi e te tinana.

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