HangangaPūtaiao

Absolute pāmahana - i reira he he taua mea

E matau ana tatou katoa e te tinana a tawhio noa tatou e wera makariri ranei. Karāhe, ringihia nei te kohua wera, engari te karaihe kotahi i te mea e takoto kau - matao. ite tatou i te ringa makariri mahana ranei ka mo te karaihe. Na te aha tatou e ite? he mea pēnei i te pāmahana i whakaurua ki te māramatanga o te karaipi.

I te tīmatanga, ka kore i reira ano whakapumautia te ariā rāpoi-nekeneke, whakapono pūtaiao e hāngai te pāmahana ki te taonga motuhake - caloric. ko reira ia, atu ïa, whakatau tona rahinga tinana wera makariri ranei. Ko te rite ki te aromatawai o te āhua o "kaha" whiwhi i te ranunga o te mea, me te caloric tenei. I runga i tenei faaauraa, kaha me te pāmahana o te waipiro whanganga te i roto i te taua wae o - nekehanga.

Na whakaaro te pāmahana te he mehua o te pūngao neke o ngā rāpoi ngota, me te kaimahi, i roto i te ngā, i te mehua o te tohu o tinana whakawera. whakamahi ki te whakatau tata pūtaiao wae pūngao: pūnaha SI o ngā waeine ka joule reira. Otiia ka timata i mua i te ariā pūngao roa inenga pāmahana. Ka rite ki kua whakahuatia, i roto i ngā mahi o ia rā, he wae motuhake o ine - te tohu.

Practice He maha ngā huarahi rerekē ki te inenga o te pāmahana. Hoki ia o ratou kua ona ake tauine pāmahana ki te whakatū i te nekehanga kōwae. E huaina ratou e te ingoa o pūtaiao, he tikanga mō te whakatau - Fahrenheit, Reaumur, degrees. Ko te parau tumu e tango ratou i etahi whānuitanga pāmahana me te wehe i te reira ki te tau tetahi. Ko te kupu, he rite ki te 0 degrees te pūnaha mata mīti o te wai, me te 100 nekehanga - tona pāmahana e koropupu ana. wehea ana tēnei awhe e 100 ki te hoatu i te uara o te 1 tohu.

I roto i nga pūnaha mō te haamauraa i uara i roto i te kotahi tohu e whakamahia ratou ngā kaurori, ki tetahi a ka whai ona ake pāmahana te tinana kotahi i roto i ia o ratou. Heoi, e taea te whakawhiti tona uara i tauine tetahi ki tetahi. Otiia kua whakaurua kaipūtaiao te ariā hou - te pāmahana pūmau. Ko reira, ano, e tika ana ki te māramatanga o te āhua o ki te ine i te pāmahana o te pūngao ngāwhā o te rāpoi ngota.

No te mea o tenei huarahi fakahu'unga e te pāmahana pūmau - ko te kotahi whanganga e te i te tino kore uara i te mea he pāmahana i te mea tino ngaro te motini waiariki, me te pūngao ā-o te mea iti te tinana. Tenei tikanga o te i whakaritea e whakamana e te pera-ka karanga Kelvin, te wāhi tohutoro i tango i te tino kore pāmahana rite ki haunga te 273,15 degrees.

Ko te kupu, Ko te pāmahana tino i roto i te tikanga rā kahore rerekē i te mua - te reira ngā tika tetahi atu wāhi o te tohutoro tuatahi. O te akoranga, ka taea e kore tetahi mea e te huarahi me 296,15 nekehanga Kelvin, ka reira me 23 degrees, ahakoa he tika tau e rua. I te pāmahana i roto i te Kelvin - ko tetahi tono e kore e i pā ana ki ngā āhuatanga rā.

Huri i te reira i roto i taua i te pāmahana tino te pāmahana i roto i te Kelvin ranei - ko te taputapu, whakamahia nei te nuinga pūtaiao. Kei te whakamahia te reira, no te whakaaro i te momo o ngā take ariā, me te mahi e pā ana ki ngā āhuatanga rangahau, ngā āhuatanga me tītohunga i roto i te ao e karapoti ana. iwi noa nei kahore pā ana ki te pūtaiao, kore kua ki te kia hiahia i roto i te taea o te whakamahi mahi o te taua mea rite tino pāmahana.

Ko te kupu whakataki o te whakamāramatanga o pū te kore arata'i ki maha ari ngā. Hei tauira, ka ngana ki te whakatutuki i te reira i reira ko te āhuatanga pērā i wharetīoke. Takahi, ki te matao o te pēne nāianei hiko ki te kore nekehanga Kelvin (0 ° C), te nekehanga puia i roto i te rauemi nuinga mutu, ka whangai i te ātete hiko o te kaiwhakahaere ki te kore, a ka waiho i te parekura o nāianei iti. Heoi, kua whakapono ai e i roto i te mahi roaahia'tu tino kore te pāmahana, ara i raro i rahua tikanga taiwhanga ki te whakatata rite tata rite taea ki tenei uara.

No ngā iti ko te āhuatanga o te superfluidity. Ki te tīmata te pāmahana tino o te hau ki te whakaiti, ka ka he tetahi uara, mo ia ratou hau, puta he whakawhitinga i roto i te hau wai. A, no te riro wai haumāmā, riro te reira i te kaha ki te tomo i roto i te tōiti iti. Hoki te whakamahi i roto i te ora ia rā e kore e taua tītohunga ano whakamahia, engari tukua ki a tatou mahino tokomaha o nga pātai o rehe aronui me te pūtaiao taketake.

he mea pēnei i tino pāmahana, whakamahia te i roto i te akoranga ariā me ngā mahi mo te ako o te ao. Haunga ia, mahi te tuhinga ki te ariā o te pāmahana iho i te hi'oraa o te ariā rāpoi-nekeneke.

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