Dwumadi a kar no onwini nhyehyɛe no yɛ ne sɛ ɛbɛma ɔhyew a ɛwɔ afã horow a ɛyɛ hyew no fã no fã bi asɛe wɔ bere ano de ahwɛ ahu sɛ engine no bɛyɛ adwuma wɔ ɔhyew a ɛfata sen biara mu.
Wɔakyekyɛ engine no onwini mu ayɛ no mframa a ɛma ɛyɛ nwini na ɛma nsu yɛ nwini. Wɔfrɛ onwini nhyehyɛe a mframa yɛ onwini no mframa a ɛma onwini; Wɔfrɛ onwini nhyehyɛe a ɛma onwini sɛ onwini no nsu a ɛma onwini.
Kar engine no a ɛma onwini no yɛ nsu a ɛma ɛyɛ nwini a wɔhyɛ no ma ɛyɛ nwini, kyerɛ sɛ, wɔde nsu pɔmpɛ no di dwuma de ma onwini no nhyɛso yɛ kɛse na ɛhyɛ onwini no ma ɛkyinkyini engine no mu. Nnwinnade a ɛma onwini no yɛ nsu pɔmpɛ, radiator, fan a ɛma onwini, nsu a wɔde tua ho ka, thermostat, nsu atade a ɛwɔ engine nipadua mu ne cylinder ti, ne mfiri a ɛboa.
Wɔ onwini nhyehyɛe no mu no, nokwarem no, ɔhyew a wɔsɛe no kyinhyia abien na ɛwɔ hɔ: biako ne ade titiriw a ɛma engine no yɛ nwini, na biako nso yɛ ɔhyew kyinhyia a ɛwɔ kar no mu. kyinhyia abien no nyinaa wɔ engine no mfinimfini na ɛde coolant koro no ara di dwuma.
kyinhyia titiriw .
Kyinkyin titiriw no ka adwumayɛ kyinhyia abien ho, a ɛne "Cold Car Cycle" ne "Normal Cycle". Sɛ kar a ɛyɛ nwini no fi ase a, engine no mu yɛ hyew nkakrankakra, na ɔhyew a ɛwɔ coolant no mu no nnɔɔso sɛ ebebue thermostat no wɔ nhyehyɛe no mu. Saa bere yi, coolant no fa nsuo pɔmpɛ no mu nko ara kɔ "Cold Car Circulation" wɔ engine no mu, a atirimpɔw no ne sɛ ɛbɛma engine no adu adwumayɛ hyew a ɛfata no mu ntɛm ara sɛnea ɛbɛyɛ yiye. Bere a engine no hyew kɔ soro no, coolant no hyew kɔ soro kodu ɔhyew a ɛwɔ thermostat no mu (mpɛn pii no, saa ɔhyew yi yɛ 80℃), na onwini no kyinhyia no fi ase "normal circulation". Saa bere yi, coolant no fi engine no mu ba, ɛfa radiator a ɛwɔ kar no anim no mu, na sɛ ɔhyew no sɛe wie a, ɛfa engine no mu fa nsu pɔmpɛ no mu.
Ɔhyew kyinhyia .
Eyi yɛ ɔhyew kyinhyia, nanso wɔ engine no fam no, ɛyɛ engine a ɛma onwini nso. Coolant no fa afiri a ɛma ɔhyew no mu wɔ kar no mu, de ɔhyew a ɛwɔ mu no kɔ kar no mu, na afei ɛsan kɔ engine no mu. Nsonsonoe biako ne sɛ ɔhyew kyinhyia no nni thermostat no so. Bere tenten a wɔadan ɔhyew afiri no, saa kyinhyia yi fi ase, ɛmfa ho sɛ ebia onwini no yɛ nwini anaasɛ ɛyɛ hyew no.