Effects of Fuel Injection Timing on Combustion and Emission Characteristics of a Diesel Engine Fuelled with Diesel-Propane Blends

马志豪 1; 2; 黄佐华 1; 李冲霄 1; 王锡斌 1; 苗海燕 1

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Effects of Fuel Injection Timing on Combustion and Emission Characteristics of a Diesel Engine Fuelled with Diesel-Propane Blends

更新时间：2025-12-08

- Effects of Fuel Injection Timing on Combustion and Emission Characteristics of a Diesel Engine Fuelled with Diesel-Propane Blends
- Vol. 42, Issue 5, Pages: 532-536(2008)
- 作者机构：
  
  1. 西安交通大学动力工程多相流国家重点实验室,西安,710049
  2. 河南科技大学车辆与动力工程学院,河南,洛阳,471003
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK411.2
- Online First：10 May 2008，
  
  Published：2008
- 稿件说明：
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马志豪 1, 2, 黄佐华 1, et al. Effects of Fuel Injection Timing on Combustion and Emission Characteristics of a Diesel Engine Fuelled with Diesel-Propane Blends[J]. 2008, 42(5): 532-536.
DOI：

马志豪 1, 2, 黄佐华 1, et al. Effects of Fuel Injection Timing on Combustion and Emission Characteristics of a Diesel Engine Fuelled with Diesel-Propane Blends[J]. 2008, 42(5): 532-536. DOI：

摘要

在一台单缸直喷式柴油机上开展了不同喷油提前角下燃用柴油和柴油-丙烷混合燃料时的燃烧和排放特性研究.研究结果表明:柴油-丙烷混合燃料的燃烧与排放参数随喷油提前角的变化趋势与燃用纯柴油时基本相同; 对于给定的平均有效压力

柴油-丙烷混合燃料的放热率峰值和NO

排放随喷油提前角的推迟而减小

而总燃烧持续期、CO、HC和碳烟排放随喷油提前角的推迟而增加; 对于给定的平均有效压力和喷油提前角

放热率峰值和NO

排放随混合燃料中丙烷含量的增加而增大

而总燃烧持续期、CO、HC和碳烟排放随丙烷含量的增加而减小.

Abstract

Effects of fuel injection timing on combustion and emission characteristics of a single-cylinder diesel engine fuelled with diesel and diesel-propane blends were studied. The results show that the influences of fuel injection timing on the performances of the engine exhibited the similar trends for the diesel and diesel-propane operations. For a given engine load and speed

the maximum heat release rate and NO

emission decreased with the postponement of the fuel injection timing while the total combustion duration

HC and soot emissions increased with advancing the fuel injection timing. For a given engine load

speed and fuel injection timing

the maximum heat release rate and NO

emission increased with the increase of propane pro

portion in diesel-propane blends. However

the total combustion duration

HC and soot emissions decreased with the increase of propane proportion in diesel-propane blends.

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references

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