HangangaPūtaiao

Te ine i tinana: wera o te vaporization o te wai

mohio katoa te pikitia: i ki te umu wera i te kohua o utu wai. Wai i te matao āta riro wera, e runga i ona mirumiru mata puta tuatahi, a hohoro te ngahau katoa amuamu ia. He aha te mea te wera o te vaporization o te wai? Ētahi o tatou mahara i te marautanga e kore e taea e te pāmahana o te wai i raro i te pēhanga kōhauhau tūturu nui 100 ° C. A e kore e nei mahara ranei e kore e whakapono, e taea te tango i te rawa o te ine e tika ana, me te whakarite i te tikanga haumaru.

Ko pehea tenei e taea e? I muri i te katoa, i raro i te mea te paraharaha tonu i runga i te ahi, homai ana e ia tona pūngao ki te wai, a ka wahi i haere ai, ki te kahore ki te mahana i te wai? whakamahia te pūngao te ki taui wai ki te mamaoa: A.

Hea e te pūngao

I roto i te ora noa e waia tatou ki te āhua e toru o te mea a tawhio noa tatou: totoka, wai, me te hau. I roto i te kāwanatanga totoka e mau whakaritea te rāpoi ngota i roto i te wini whakakahokaho karaihe. Otiia e kore e tenei te tikanga whakaoti ratou immobility, i tetahi pāmahana, ngā te mea i te iti rawa kia kotahi tohu i runga -273 ° C (ko te tino kore tenei) wiri rāpoi ngota. Ano, ko te kaha tīwera o te wiri tei runga i te pāmahana. A, no te tuku para pūngao te matūriki ki te taonga, me te riro nga nekehanga Horehore atu kaha, a ka tae te tetahi wāhi kaha taua e rāpoi ngota mahue gratings ohanga - riro wai te taonga.

he whanaunga tata te āhua wai o te rāpoi ngota ki tetahi ki tetahi i te kaha o te mahara, engari e kore e whakaritea ki te wāhi etahi i roto i te wāhi. Ki te meinga wera whakaeminga taonga atu moieties wiri huru kia nui e hinga i te kaha o te attraction o te rāpoi ngota ki tetahi ki tetahi te, a whakamararatia ratou. mutu te pāmahana o te taonga ki te tupu, whakawhitia te pūngao katoa e me kei te whai nei te puranga i muri o matūriki, me pera, taahiraa i te taahiraa, mitimiti te wai katoa i roto o te paraharaha whakakiia ana te kīhini i roto i te puka o te korohū.

titau ia taonga etahi pūngao mō tenei tukanga. Ko te wera o te vaporization o te wai, me te tahi atu wai, a ka kua te uara whakamutunga motuhake.

Ko te wae o te mehua

Tetahi pūngao (ahakoa te kaupapa, ahakoa te wera) whanganga te i roto i joule. Joule ingoa (J) te i muri i te pūtaiao rongonui James joule. Ka taea te whiwhi numera pūngao 1 J i te tawhiti o te 1 mita ki te pana etahi tinana ki te kaha o te 1 Newton.

I mua whakamahia ki te ine i te mahana o te ariā pērā i "pūngoi." I whakapono te reira e te wera - ko te taonga tinana taua e taea rere i roto i roto i o tetahi tinana ranei tenei. Ko te atu "natekla" te reira i roto i te tino tahuti, na ko reira wera. I roto i te pukapuka pakeke tonu taea ki te whakatau i tēnei rahinga tinana. Ko e mea ohie ki te iriti i roto i joule, he ranea ki te tini i te 4.19.

Ko te pūngao e hiahiatia ana mo te tahuritanga o wai ki hau e kīia ki rite te mahana motuhake o te vaporization. Otiia me pehea ki te tātai i te reira? Ko te kotahi te mea ki te tahuri ki te mamaoa ngongo o te wai, me tetahi atu mea - te tank nui o te oko pūkaha mamaoa.

Na reira, hei tauira, ki a H 2 E, mahi pūnaha parariraa i runga i te ariā o "wera moe o te vaporization o te wai" (J / kg - wae). Na ko konei te kupu matua "motuhake". Kei te whakapono te reira e te nui o te pūngao e hiahiatia ana ki te vaporize 1 kg o taonga wai.

uara reta Latin L. uara mehua Denoted i roto i joule ia 1 kg.

Kia pehea te nui titau pūngao wai

whanganga wera motuhake o te vaporization o te wai ko e whai ake: ringihia i roto i te te ipu tau N, e kawea mai ki te whewhe. pau Energy i vaporization rita o te wai, a ka ko te uara e hiahiatia ana.

Ine, he aha te mea te wera motuhake o te vaporization o te wai, ko te bit miharo pūtaiao. Hoki faafariuraa ki te wai hau titau atu pūngao atu noa ki te ao wai katoa: waiwaihā raina katoa, haurehu liquefied , a tae noa nui atu konganuku pērā i konuoi me te mata.

Ko te kupu, ko te wera o te vaporization o te wai rite ki te 2.26 MJ / kg. No te whakarite:

  • y mēkuri - 0,282 MJ / kg;
  • i roto i te mata - 0,855 MJ / kg.

Ko te aha, ki te te ritenga atu?

A te mea e tupu ki te whakataka i te tukanga, ki te hanga i te wai ki te whakawhāiti? Kahore motuhake tupu ture haamauraa o te tiaki o te pūngao: tukua te tōhau o tetahi kirokaramu o wai i kohu te rite te nui ano o te wera e hiahiatia ana e te ki te noho i tahuri hoki reira ki kohu. Na reira, maha puta i roto i nga tepu titiro-ake, te wā "enthalpy o vaporization."

Ratau, te meka e horomia te wera e te whakaetonga, kua pai whakamahia i roto i te whare, me te engineering ahumahi mō te hanga matao tāwhaiwhai.

Similar articles

 

 

 

 

Trending Now

 

 

 

 

Newest

Copyright © 2018 mi.atomiyme.com. Theme powered by WordPress.