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本文介绍 Sulzer 柴油机公司为满足90年代船舶推进、船用辅机、工业发电等应用场合的市场需求而开发的一种新型 S20中速柴油机。该机缸径为200mm,行程为300mm,在720～1000r/min 的转速范围内输出功率为570～1305kW。它具有理想的燃油经济性、低的排烟特性和燃烧室温度、良好的烧重油能力以及高的可靠性。文中详细论述了该机行程/缸径比、压缩比、燃油系统参数的选择对性能的影响。另外,还介绍了该机的试验和运用情况。
This article describes a new S20 mid-speed Diesel engine developed by Sulzer Diesel to meet the market needs of ship propulsion, marine auxiliaries, industrial power generation and other applications in the 1990s. The machine has a bore of 200mm and a stroke of 300mm. The output power is 570 ~ 1305kW in the speed range of 720 ~ 1000r / min. It has the ideal fuel economy, low smoke exhaust characteristics and combustion chamber temperature, good burned heavy oil capacity and high reliability. The paper discusses in detail the aircraft stroke / bore ratio, compression ratio, the choice of fuel system parameters on performance. In addition, it also introduced the test and application of the aircraft.