Cov kua dej thiab hom kua dej yog dab tsi?
Cov kua dej thiab hom kua dej yog dab tsi?

Video: Cov kua dej thiab hom kua dej yog dab tsi?

Video: Cov kua dej thiab hom kua dej yog dab tsi?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Cov kua dej tuaj yeem muab faib ua plaub yam yooj yim hom . Zoo tagnrho Kua dej . Tiag tiag Kua dej . Newtonian Kua dej . Tsis yog-Newtonian Kua dej.

Xav txog qhov no, cov kua dej piav qhia hom kua dej yog dab tsi?

Cov kua dej yog txhais raws li cov khoom uas ntws los yog deform nyob rau hauv cov ntaub ntawv shear stress. Kua dej tsis muaj qhov tseeb ntawm nws tus kheej. Nws assumes cov duab ntawm nws lub thawv. Cov kua dej thiab gases hu ua kua dej . Nyob ntawm tus cwj pwm ntawm kua dej , kua dej muab faib ua ob hom.

Tsis tas li ntawd, dej thiab nws cov khoom yog dab tsi? Mass Density: Nws yog qhov loj ntawm lub kua dej ib unit volume. Viscosity: Viscosity yog qhov vaj tse ntawm kua dej uas txhais cov kev sib cuam tshuam ntawm cov khoom txav ntawm cov kua dej . Nws yog qhov ntsuas ntawm qhov tsis kam mus rau qhov ntws ntawm kua dej . Lub zog viscous yog vim lub zog intermolecular ua haujlwm hauv lub kua dej.

Hauv qhov no, ob hom kua dej yog dab tsi?

Cov kua dej thiab gases ob dav hom kua dej . Txhua kua dej uas muaj nyob hauv lub cev yog qhov tiag kua dej . Tsuas yog tsis muaj tiag kua dej yog cov tswv yim uas peb tau tsim, xws li calorically zoo meej gases, inviscid kua dej , Newtonian kua dej , lwm.

Cov dej puas yog dej?

Cov kua thiab cov pa roj yog hu ua kua dej vim lawv tuaj yeem ua kom ntws, lossis txav mus. Hauv ib qho twg kua dej , cov molecules lawv tus kheej nyob rau hauv tas li, random txav, sib tsoo nrog ib leeg thiab nrog cov phab ntsa ntawm ib lub thawv. Nyob rau hauv cov xwm txheej atmospheric, dej muaj li ib ua kua.

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