双燃料发动机指既可以使用燃油作为燃料，又可以选用天然气（甲烷）作为燃料的发动机。
双燃料发动机船 dual-fuel engined vessel
双燃料发动机舱室 Dual fuel engine compartment
变结构双燃料发动机 Umbaumotor
双燃料发动机电力推进 dual-fuel diesel electric
优化双燃料发动机 Optimization Dual Fuel Engine
氢-汽油双燃料发动机 Hydrogen-Petrol Dual Fuel Engine
The total combustion sound pressure level is caculated. The data of dual fuel engine are compared with those of diesel engine.
从时域和频域两个方面对生物制气—柴油双燃料发动机的燃烧噪声进行综合评价,并计算出燃烧总声压级。
参考来源 - 生物制气—柴油双燃料发动机的燃烧噪声及燃烧模拟When the load of the biogas diesel duel-fuel engine increases but the engine speed is at the same, its ignition time is advanced, its ignition delay period is shorter, its maximum heat release rate and temperature are larger.
双燃料发动机在转速不变负荷增加时,燃烧始点相对提前,滞燃期缩短,最大放热率及温度提高,对应的曲轴转角提前,后燃增加。
参考来源 - 生物制气—柴油双燃料发动机燃烧特性和放热规律研究The results state that the NOX emission of the premixing dual fuel engine is lower than that of mixing injection dual fuel engine in the whole loads, but the emission of HC and CO is reverse.
研究结果表明：在整个负荷范围内，预混进气双燃料发动机的NO_x排放明显低于混合喷射双燃料发动机；混合喷射双燃料发动机的HC和CO排放较低；在小负荷二者的烟度相差不大，但在大负荷预混进气双燃料发动机的烟度较低。
参考来源 - 混合喷射液化石油气/柴油双燃料发动机的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
结果表明，双燃料发动机的燃烧具有一些独有的特点。
The results of study show that the burning of natural gas-diesel duel-fuel engine has some special characteristics.
本文探讨了以双燃料发动机为代表的预混合和扩散燃烧共存的复合燃烧模式。
This thesis describes a compound combustion mode in the dual fuel engines that combines both premix and diffusion combustion.
试验结果表明，液化石油气-柴油双燃料发动机可得到与柴油机相类似的性能。
The test results show the LPG/diesel double fuel engine can obtain similar performance to a diesel engine.
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