Nyob rau hauv keeb kwm ntawm kev tshawb fawb, qhov sib npaug ntawm cov cua sov hais tias kev txav thiab cua sov yog sib pauv hloov tauthiab txhua qhov xwm txheej, ib qho kev ua haujlwm yuav tsim tau tib yam. ntawm cov cua sov, yog tias cov haujlwm ua tiav tag nrho hloov mus rau lub zog cua sov. …
Koj pom qhov sib npaug ntawm cov cua sov li cas?
Mechanical sib npaug ntawm cov cua sov (J)=Tus Nqi Ua Haujlwm (W) / units ntawm Cua sov (Q). Hloov cov txiaj ntsig no peb tau txais, Dimensional Formula of Mechanical equivalent of heat (J)=M0L0T-0. Peb kuj tuaj yeem hais Mechanical sib npaug ntawm cov cua sov (J) yog qhov tsis muaj qhov ntau.
txhais li cas thiab tus nqi ntawm cov khoom sib npaug ntawm cov cua sov?
Kev Kho Mob Txhais ntawm cov khoom sib npaug ntawm cov cua sov
: tus nqi ntawm ib chav tsev kom muaj nuj nqis ntawm cov cua sov hauv cov ntsiab lus ntawm cov tshuab ua haujlwm nrog nws cov nqi feem ntau hauv cgs ntsuas yog 4.1855 × 10 7 ergs ib calorie -symbol J. - hu ua Joule's sib npaug.
Dab tsi yog qhov sib npaug ntawm cov cua sov Joule qhov tas li?
Schematic Diagram of Electrical Calorimeter Theory: Raws li thawj txoj cai ntawm thermodynamics, tus nqi ntawm kev ua haujlwm hloov mus rau hauv tshav kub (W) yog ncaj qha proportional rau kom muaj nuj nqis ntawm tshav kub generated (H). Yog li W=J H, qhov J yog hu ua mechanical equivalent of heat or Joule's constant. Yog li no, J=W/H
Vim li cas Joule qhov tas li hu ua tshuab sib npaug ntawm cua sov?
Jouule tas li J txhais tau tias yog tus lej ntawm joules sib npaug rau ib calories. Qhov no tsis tu ncua yog qee zaum hu ua "kev sib npaug ntawm cov cua sov", vim kev sim thaum ntxov feem ntau cuam tshuam kev hloov pauv ntawm cov tshuab hluav taws xob mus rau cua sov.
