高頻率使用汽車者可以一萬km換一次油嗎 - 汽車改裝
By Jacky
at 2009-12-14T21:56
at 2009-12-14T21:56
Table of Contents
※ [本文轉錄自 car 看板]
作者: ChengPingYu (下一個夢想) 看板: car
標題: Re: [問題] 高頻率使用汽車者可以一萬km換一次油嗎
時間: Fri Jun 5 10:55:35 2009
※ 引述《chuangtx (台北怎麼玩)》之銘言:
: 一般人家會說礦物油&合成油的不同
: 礦物油衰退線性..合成油到達臨界點後快速衰退
: 除非有人用機器告訴我數據
: 不然我覺得這都是'"個人的感覺"
說到這個,就我查到的一些資料:
礦物油衰退是因為黏度添加劑逐漸被剪斷消耗,所以是慢慢衰退.
整個衰退曲線是很穩定的.
合成油主要是靠基礎油本身的結構,當然添加劑還是會逐漸衰退,
但是當熱循環到一個臨界點時,合成基礎油開始產生全面性化學質變.
衰退曲線前段是"添加劑消耗"的斜率,然後變成"基礎油變質+添加劑消耗"的斜率.
問題是:一到這個轉折點就必須要換掉了嗎?這就見仁見智.
到這個轉折點時,搞不好仍然比礦物油新油的性能還好呢~~
--
超跑夢 ///M Power
--
作者: ChengPingYu (下一個夢想) 看板: car
標題: Re: [問題] 高頻率使用汽車者可以一萬km換一次油嗎
時間: Fri Jun 5 10:55:35 2009
※ 引述《chuangtx (台北怎麼玩)》之銘言:
: 一般人家會說礦物油&合成油的不同
: 礦物油衰退線性..合成油到達臨界點後快速衰退
: 除非有人用機器告訴我數據
: 不然我覺得這都是'"個人的感覺"
說到這個,就我查到的一些資料:
礦物油衰退是因為黏度添加劑逐漸被剪斷消耗,所以是慢慢衰退.
整個衰退曲線是很穩定的.
合成油主要是靠基礎油本身的結構,當然添加劑還是會逐漸衰退,
但是當熱循環到一個臨界點時,合成基礎油開始產生全面性化學質變.
衰退曲線前段是"添加劑消耗"的斜率,然後變成"基礎油變質+添加劑消耗"的斜率.
問題是:一到這個轉折點就必須要換掉了嗎?這就見仁見智.
到這個轉折點時,搞不好仍然比礦物油新油的性能還好呢~~
--
超跑夢 ///M Power
--
Tags:
汽車改裝
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