大型船舶柴油机（十字头式2冲程柴油机），在低速的时候，燃烧效率高。
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Line of ‘‘high performance large diesel engine’’ development
1897 First run of a diesel engine with an efficiency of c ¼ 26.2% at Maschinenfabrik Augsburg
1898 Delivery of the first two-cylinder diesel engine with 2  30 HP at 180 rpm to the Vereinigte Zu¨ndholzfabriken AG in Kempten
1899 First two-stroke diesel engine from MAN by Hugo Gu¨ldner (unmarketable)
1899 First diesel engine without a crosshead, model W, from Gasmotorenfabrik Deutz
1901 First MAN trunk-piston diesel engine by Imanuel Lauster (model DM 70)
1903 First installation of a two cylinder four-stroke opposed piston diesel engine with 25 HP in a ship (the barge Petit Pierre) by Dyckhoff, Bar Le Duc
1904 First MAN diesel power station with 4  400 HP starts operation in Kiev
1905 Alfred Bu¨chi proposes utilizing exhaust gas energy for supercharging
1906 Introduction of the first reversible two-stroke engine by the Sulzer and Winterthur brothers for a marine engine 100 HP/cyl. (s/D ¼ 250/155)
1912 Commissioning of the first seagoing ship MS Selandia with two reversible four-stroke diesel engines from Burmeister & Wain each with 1,088 HP
1914 First test run of a double acting six-cylinder two-stroke engine with 2,000 HP/cyl. from MAN Nu¨rnberg (s/D ¼ 1050/850)
1951 First MAN four-stroke diesel engine (model 6KV30/45) with high-pressure supercharging: e ¼ 44.5% at wemax ¼ 2.05 kJ/l, pZmax ¼ 142 bar and PA ¼
3.1 W/mm2
1972 Hitherto largest two-stroke diesel engine (s/D ¼ 1,800/1,050, 40,000 HP) commences operation
1982 Market launch of super long stroke, two-stroke engines with s/D  3 (Sulzer, B & W)
1984 MAN B & W achieves consumption of 167.3 g/kWh (e ¼ 50.4%)
1987 Commissioning of the largest diesel-electric propulsion system with MAN-B & W four-stroke diesel engines and a total output of 95,600 kW to drive the
Queen Elizabeth 2
1991/92 Two-stroke and four-stroke experimental engines from Sulzer (RTX54 with pZmax ¼ 180 bar, PA ¼ 8.5 W/mm2) and MAN B & W (4T50MX with
pZmax ¼ 180 bar, PA ¼ 9.45 W/mm2)
1997 Sulzer12RTA96C (s/D ¼ 2,500/960): two-stroke diesel engine, Pe ¼ 65,880 kW at n ¼ 100 rpm commences operation
1998 Sulzer RTX-3 research engine to test common rail technology on large two-stroke diesel engines
2000/01 MAN B & W 12K98MC-C (s/D ¼ 2,400/980): The currently most powerful two-stroke diesel engine with Pe ¼ 68,520 kW at n ¼ 104 rpm
2004 First four-stroke medium speed diesel engine MAN B & W 32/40, Pe ¼ 3,080 kW, common rail (CR) injection in real use on a container ship
2006 With a consumption of be ¼ 177 g/kWh, the MaK M43C is the leading four-stroke medium speed marine engine with a cylinder output of 1,000 kW
(s/D ¼ 610/430, we ¼ 2.71 kJ/dm3, cm ¼ 10.2 m/s)
2006 Wa¨rtsila¨ commissions the world’s first 14 cylinder two-stroke engine and thus the most powerful diesel engine: Wa¨rtsila¨ RTA-flex96C, CR injection,
Pe ¼ 80,080 kW, s/D ¼ 2,500/900, cm ¼ 8.5 m/s, we ¼ 1.86 kJ/dm3 (pe ¼ 18.6 bar)
【 在 fjkj (奋进科技) 的大作中提到: 】
: 柴油机的转速为什么比汽油机低？这个问题我一直不太明白。
: 请那位专家指点一下。谢谢！
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