Umsebenzi kanye nokusebenza okuhlukile kwe-antifreeze
Kwadalwa ngo 09.08
Antifreeze, noma i-coolant, iyinhliziyo "yempilo" ye-engine. Imisebenzi yayo ibanzi kakhulu ngaphezu kokuvikela ekuqandeni.
Key roles include:
1) Temperature Control: Prevents freezing in winter and boiling over in summer;
2) Ukukhwabanisa Ukuphikiswa: Ivikela insimbi (efana ne-aluminium, insimbi eyakhiwe, ikhopha) ku-radiator, ipompo yamanzi, kanye ne-injini ekukhwabaniseni nasekukhwabaniseni;
3) Boiling Point Elevation: Operates effectively at high temperatures;
4) Ukunciphisa Isikali: Ivinjwa ukuvuthwa kwesikali ukuze kugcinwe ukudluliswa kokushisa okuphumelelayo.
a key performance differentiator among coolants is their operating temperature range, which is directly determined by their formulation.
1) Iphuzu Lokubanda
Lesi yisithombe esiphansi kakhulu lapho i-coolant izovikela khona ukujula. Izincazelo ezivamile zifaka -15°C, -25°C, -35°C, kanye -45°C. Iphuzu lokujula eliphansi lwenza i-coolant ihlale iyigazi ezimweni ezibandayo kakhulu, ivimbela umonakalo omkhulu ebhuthini le-injini nase-radiator.
2) Boiling Point
Lesi yisithombe sokushisa lapho i-coolant ivikela khona ukuvutha. Ngenkathi amanzi evutha ku-100°C, i-antifreeze/coolant yekhwalithi ephezulu ivamise ukuba nephuzu lokuvutha elingu-106°C noma ngaphezulu, ngokuvamile idlula ku-129°C. Le phuzu lokuvutha eliphezulu livimbela i-coolant ekutheni "ivuthe" ngaphansi komthwalo omkhulu noma ezindaweni ezishisayo, inikeza umkhawulo omkhulu wokuphepha kumajini aphezulu okushisa.
choosing a coolant requires selecting the right freezing point based on the region's minimum ambient temperature (usually 10°C lower than the coldest expected temperature). Simultaneously, its high boiling point offers essential protection against overheating. The freezing and boiling points are the critical temperature metrics that define its core performance.
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