期刊论文

Tang, Qijun

英文

Fuel

0016-2361

2021

287

119505

10.1016/j.fuel.2020.119505

Fig. 3 shows the effect of variation in spark timing and n-butanol blend ratio on the performance of the SI engine that operating at the stoichiometric mixture, the engine speed of 4000 r/min and 8000 r/min. The output power depends on the design and operating conditions, the properties of the fuel, the combustion process and burned gas mixture and so on. Fig. 3 (a) shows the relationship between the output power and spark

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In this study, a four-stroke, high-speed spark ignition (SI) engine was conducted to reflect the effects of n-butanol blend ratio, spark timing and lambda. The experiments were conducted with four types of fuels including B0 (0 vol% n-butanol and 100 vol% gasoline), B10, B20 and B30, two operation conditions including the engine speed of 4000 r/min and 8000 r/min, the throttle position of 35% and 45%, respectively; with the spark timing range from 25° to 48° before top dead center (BTDC), and the lambda range from 0.85 to 1.5. The results dem...