機(ji)(ji)(ji)油(you)(you)(you)(you)散(san)熱(re)器又稱油(you)(you)(you)(you)冷(leng)(leng)器。是應用(yong)在(zai)(zai)柴油(you)(you)(you)(you)發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)上(shang)的(de)機(ji)(ji)(ji)油(you)(you)(you)(you)冷(leng)(leng)卻(que)裝置。按照冷(leng)(leng)卻(que)方式,油(you)(you)(you)(you)冷(leng)(leng)器可以分為(wei)水冷(leng)(leng)和風冷(leng)(leng)兩種。機(ji)(ji)(ji)油(you)(you)(you)(you)散(san)熱(re)器的(de)作用(yong)是冷(leng)(leng)卻(que)潤(run)滑(hua)油(you)(you)(you)(you),保持(chi)油(you)(you)(you)(you)溫在(zai)(zai)正常(chang)工(gong)作范圍(wei)之內(nei)(nei)。在(zai)(zai)大功率(lv)的(de)強化(hua)發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)上(shang),由(you)于(yu)熱(re)負荷(he)大,發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)運(yun)轉時,由(you)于(yu)機(ji)(ji)(ji)油(you)(you)(you)(you)粘度(du)隨溫度(du)升高而變稀,降(jiang)低了潤(run)滑(hua)能力,因此(ci)必須裝用(yong)機(ji)(ji)(ji)油(you)(you)(you)(you)散(san)熱(re)器。發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)在(zai)(zai)工(gong)作時,機(ji)(ji)(ji)油(you)(you)(you)(you)會(hui)在(zai)(zai)發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)內(nei)(nei)各(ge)個部件表面形成一層(ceng)油(you)(you)(you)(you)膜,這樣可以避(bi)免發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)內(nei)(nei)各(ge)個部件直(zhi)接接觸產(chan)生摩擦。如(ru)(ru)果(guo)發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)內(nei)(nei)各(ge)個部件直(zhi)接接觸產(chan)生了摩擦,會(hui)瞬(shun)間(jian)產(chan)生大量熱(re)量,如(ru)(ru)果(guo)發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)溫度(du)過高,會(hui)影響發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)的(de)正常(chang)運(yun)行(xing)。
機油散熱(re)器(qi)的作用:
1。汽車未(wei)暖機(ji)時,即(ji)冷(leng)啟動時,機(ji)油(you)散熱器可以吸(xi)收冷(leng)水中(zhong)的熱量(liang),從而(er)使機(ji)油(you)發熱更快;
2.機油溫度高時(shi),機油散熱器可以用冷卻水冷卻;
3.如果機油散熱器漏油,會導致方向盤沉重,轉向困難。
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