全面增壓化,Mercedes-Benz透露2010年ꔠ… - 歐洲車
By Hardy
at 2008-07-23T16:09
at 2008-07-23T16:09
Table of Contents
※ 引述《kaiuren (小凱凱)》之銘言:
: ※ 引述《lisungyu (隨楓飄柏)》之銘言:
: : ----
: : 真是太讚了,大家都來搞縮小排氣量+增壓...
: : 還把增壓技術說得百而無一害一樣,
: : 不過如果增壓(turbocharge or supercharge)這麼好用的話,
: : 為什麼之前車廠都不熱中?
: : 一定要等到油便貴才來搞這些,是噱頭嗎?
關於汽油增壓引擎抬頭的熱潮主要和缸內直噴技術有關
雖然說缸內直噴日本在九零年代已經是百家爭鳴
但除了toyota 的 D4 (Direct Injection 4 Stroke Gasoline Engine)
都已淡出市場 且toyota有了2GR優秀的機體(3.5扭力高達38-39公斤)
之後就把TURBO給忘了 廢氣排放的問題可能是TURBO在日本國沒落原因
直噴技術引擎Compression ratio可達12-13 配上TURBO可望維持在10以上
壓縮比提升大幅改善渦輪引擎的燃油效率 VW/BMW上皆利用直噴引擎
搭配低增壓小型渦輪來補足汽油引擎低轉速扭力不足的問題 這是非常合理實用的做法
但歐洲車挑汽油跟引擎溫度高的問題在增壓引擎上面 環境相對更加嚴苛
那天日本也跟進 應該就不會有什麼問題了
--
: ※ 引述《lisungyu (隨楓飄柏)》之銘言:
: : ----
: : 真是太讚了,大家都來搞縮小排氣量+增壓...
: : 還把增壓技術說得百而無一害一樣,
: : 不過如果增壓(turbocharge or supercharge)這麼好用的話,
: : 為什麼之前車廠都不熱中?
: : 一定要等到油便貴才來搞這些,是噱頭嗎?
關於汽油增壓引擎抬頭的熱潮主要和缸內直噴技術有關
雖然說缸內直噴日本在九零年代已經是百家爭鳴
但除了toyota 的 D4 (Direct Injection 4 Stroke Gasoline Engine)
都已淡出市場 且toyota有了2GR優秀的機體(3.5扭力高達38-39公斤)
之後就把TURBO給忘了 廢氣排放的問題可能是TURBO在日本國沒落原因
直噴技術引擎Compression ratio可達12-13 配上TURBO可望維持在10以上
壓縮比提升大幅改善渦輪引擎的燃油效率 VW/BMW上皆利用直噴引擎
搭配低增壓小型渦輪來補足汽油引擎低轉速扭力不足的問題 這是非常合理實用的做法
但歐洲車挑汽油跟引擎溫度高的問題在增壓引擎上面 環境相對更加嚴苛
那天日本也跟進 應該就不會有什麼問題了
--
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