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Ho tsitsa ha oli ke eng?

2023-08-23

Ho tsitsa ha oli ke eng?

Lekanya index ea boleng ba oli le litekanyetso tsa ba bangata, kajeno re tla bua / ho kuta botsitso, e emela oli ke likarolo life tsa tlhaho? Day state u hlalosetse ka hloko.

Sekoa ke eng? Pele ho [ho kuta], re tla ba ba pele ba ho hlahisa mohopolo / kuta 'me ho kuta ke nako ea meralo. Ka har'a phihlello e bonolo ea e tobileng e bua ka: ka para ea boholo bo lekanang, e supang matla a lehlakoreng le fapaneng (ke hore, perpendicular ho karolo ea matla), thepa ea karolo ea sefapano ka tataiso ea matla a kantle a phoso e amanang. le deformation phenomenon.

Ha u habanya feela ba bang ba abstract, empa ka kopo totobatsa: deformation shear matla karabelo ea oli ka oli, e bua ka limolek'hule tsa oli tlas'a mocheso o phahameng le khatello e phahameng, ka lebaka la khatello ea kelello le khatello ea kelello ea limolek'hule tsa oli li robehile, e amang viscosity ya oli ka boyona.

Shear botsitso, ka pel'a kutloisiso ea likhopolo tse peli, a re ke re ka molao ho kuta botsitso tlhaloso: ho kuta botsitso ke moemeli oa oli ea lubricating tlas'a ho kuta mechine, mofuta oa RCC ka boloka viscosity tsitsitseng.

Botsitso bo botle ba ho kuta, oli e tlotsang e ka boloka e tsitsitse ho viscosity ea mochini, potoloho ea tšebeliso, phello ea oli ea enjene e tsitsitse haholoanyane. Botsitso ba ho kuta, viscosity ea oli e tlotsang e fokotseha ka lebaka la ho kuta. Ha e le hantle, oli e ntse e fokotseha.

Qetello: botsitso ba ho kuta bo botle kapa bo bobe, bo tla ama ts'ebeliso ea oli tlas'a mocheso o phahameng le khatello e phahameng, hammoho le bophelo bo sebetsang ba tšebeletso ea oli ea enjene.

Mokhoa oa ho ntlafatsa botsitso ba ho kuta e le ho ntlafatsa botsitso ba ho kuta oli, bo-rasaense ba tla ekeletsoa ho ntlafatso ea index ea viscosity index, ena ke mofuta oa polymer e nang le mocheso o bonolo.

Lithempereichara tse phahameng, ho otlolla ketane ea limolek'hule, ho eketseha ha khohlano ea oli ea motheo, phello ea ho thibela mokelikeli oa oli, e leng, ho eketseha ha viscosity, viscosity ea lubricant e fokotsehile ho isa bohōleng bo itseng.

Ka kakaretso, ka lebaka la mokhoa o sa khaotseng oa ho pheta-pheta oli, mahala ho fana ka kakaretso ea motsoako oa oli e na le melemo e mengata ea botsitso ba ho kuta.


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