对一台配有米勒 (Miller)系统、新开发的高压废气再循环系统 (HPEGR)、共轨燃油喷射系统 (CR)及具有可变涡轮几何形状 (VTG)的增压器的中等尺寸中速直喷式柴油机的排放和性能参数进行了测定 ,并与标准发动机进行了对比。在功率、燃油消耗、烟度及其它排放指标保持不变的情况下 ,氮氧化物排放量可降低 30 %～ 50 %。若允许燃油消耗增大 1%～ 3%以及允许烟度略有提高的话 ,则根据负荷的不同 ,氮氧化物排放量最多可降低 60 % (因负荷而异 )。 For a mid-size mid-size system equipped with a Miller system, a newly developed high-pressure exhaust gas recirculation system (HPEGR), a common rail fuel injection system (CR) and a turbocharger with variable turbine geometry The emission and performance parameters of the direct injection diesel engine were measured and compared with the standard engine. In the case of power, fuel consumption, smoke and other emission indicators remain unchanged, nitrogen oxide emissions can be reduced by 30% to 50%. Allowing a 1% to 3% increase in fuel consumption and a slight increase in smoke allowance can reduce NOx emissions by up to 60% depending on the load, depending on the load.