Tekano ea mocheso

Sengoli: Peter Berry
Letsatsi La Creation: 11 Phupu 2021
Ntlafatsa Letsatsi: 1 Phupu 2024
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Ha ho kopantsoe 'mele e' meli e maemong a fapaneng, e chesang haholo e fana ka matla a eona ho e nang le mocheso o fokolang, ho fihlela moo lithempereichara ka bobeli li lekanang.

Boemo bona bo tsejoa e le mogote wa tekatekano, 'me ke hantle boemo boo lithemparetjha tsa' mele e 'meli tse neng li na le lithemparetjha tse fapaneng li neng li lekana. Hoa etsahala hore ha mocheso o lekana, phallo ea mocheso e emisitsoe, ebe boemo ba tekano bo fihlelloa.

Bona hape: Mehlala ea Mocheso le Mocheso

Khopolo-taba, tekano ea mocheso e bohlokoa ho se tsejoang e le Molao oa Zero kapa Molao-motheo oa lefeela oa thermodynamics, e hlalosang hore haeba litsamaiso tse peli tse arohaneng li le ka nako e le 'ngoe ka tekano ea mocheso le sistimi ea boraro, li maemong a futhumetseng. Molao ona o bohlokoa bakeng sa taeo eohle ea thermodynamics, e leng lekala la fisiks le sebetsanang le ho hlalosa linaha tsa tekano maemong a macroscopic.


Tekano e hlahisang palo ea mocheso o fapanyetsanoang liphetisong lipakeng tsa 'mele, e na le sebopeho:

Q = M C * ΔT

Moo Q e leng mocheso o hlahisoang ka likhalori, M ke boima ba 'mele o ithutoang, C ke mocheso o khethehileng oa' mele, mme ΔT ke phapang ea mocheso.

Ka boemo ba tekano, boima le mocheso o khethehileng li boloka boleng ba tsona ba mantlha, empa phapang ea mocheso e ba 0 hobane hantle-ntle maemo a tekano moo ho se nang liphetoho tsa mocheso a hlalosoa.

Tekano e 'ngoe ea bohlokoa bakeng sa mohopolo oa tekano ea mocheso ke eona e batlang ho hlahisa mocheso oo sistimi e kopaneng e tla ba le ona. Ho amoheloa hore ha sistimi ea likaroloana tsa N1, e leng mocheso T1, e hokahana le sistimi e ngoe ea likaroloana tsa N2 e leng mocheso T2, mocheso oa tekano o fumanoa ka foromo:

(N1 * T1 + N2 * T2) / (N1 + N2).


Ka tsela ena, ho ka bonoa hore ha likaroloana ka bobeli li na le likaroloana tse lekanang, mocheso oa tekano o fokotsoa ho ba karolelano lipakeng tsa lithemparetjha tse peli tsa pele. Sena se ka akaretsoa bakeng sa likamano lipakeng tsa metheo e fetang e 'meli.

Mehlala ke ena ea maemo ao ho ona ho lekanang ha mocheso ho etsahalang:

  1. Ho lekanya mocheso oa 'mele ka thermometer ho sebetsa joalo. Nako e telele eo thermometer e tlamehang ho ba le eona ha e kopana le 'mele molemong oa ho lekanyetsa likhato tsa mocheso e bakoa hantle ke nako eo e e nkang ho fihlela tekano ea mocheso.
  2. Lihlahisoa tse rekisoang ka tlhaho li ka be li fetile ka sehatsetsing. Leha ho le joalo, kamora nakoana ka ntle ho sehatsetsi, ba kopane le tikoloho ea tlhaho, ba ile ba fihlela tekatekano ea mocheso le eona.
  3. Ho tšoarella ha leqhoa le leoatleng le lipalo ke boemo bo ikhethileng ba mocheso. Hantle-ntle, litemoso tse mabapi le ho futhumala ha lefatše li amana haholo le keketseho ea mocheso oa maoatle, hape le mocheso oa mocheso moo leqhoa le lengata le qhibilihang.
  4. Ha motho a tsoa ho itlhatsoa, ​​o hatsela hobane 'mele o ne o kene ka tekano le metsi a chesang,' me joale o tlameha ho lekana le tikoloho.
  5. Ha u batla ho pholisa kofi, u eketsa lebese le batang.
  6. Lintho tse kang botoro li nahanela liphetoho tsa mocheso, 'me ka nako e khuts'oane haholo ha li kopana le tikoloho mochesong oa tlhaho, li kena tekong ebe lia qhibiliha.
  7. Ka ho beha letsoho la hao holim'a poleke e batang, letsoho lea bata.
  8. Jeke e nang le ice cream ea kilo e tla qhibiliha butle ho feta e ngoe ka kotara ea kilo ea ice cream e tšoanang. Sena se hlahisoa ke equation eo boima bo khethollang litšobotsi tsa tekano ea mocheso.
  9. Ha cube ea leqhoa e kentsoe ka khalase ea metsi, ho tšoana hoa mocheso le hona hoa etsahala. Phapang e le 'ngoe feela ke hore ho lekana ho bolela phetoho ea mmuso, hobane e feta 100 ° C moo metsi a tlohang ho tiileng ho ea ho mokelikeli.
  10. Eketsa metsi a batang ka sekhahla sa metsi a chesang, moo tekano e fihlelloang kapele haholo ha mocheso o bata ho feta oa pele.



Lingoloa Tse Khahlisang

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Tekano ea mocheso
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