COMPUTATIONAL INVESTIGATION OF HCCI ENGINE PERFORMANCE WITH FUEL REFORMING EFFECT ON LEAN ETHANOL

机译：HCCI发动机性能的计算研究以及对稀乙醇的燃料重整作用

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In this study, a mechanism containing ethanol reactions is employed and the effects of exhaust gas fuel reforming on operation parameters such as ignition timing, burn duration, temperature, pressure and NO_x emission are studied in which a homogeneous mixture is assumed. The results show that hydrogen in the form of reformed gas helps in lowering the intake temperature required for stable HCCI operation. It is concluded that the addition of hydrogen advances the start of combustion in the cylinder. This is a result of the lowering of the minimum intake temperature required for auto-ignition to occur during the compression stroke, resulting in advanced combustion for the same intake temperatures. The obtained results from the model are compared with the experimental data published in the literature and the comparison showed a reasonable compatibility.

机译：在这项研究中，采用了一种包含乙醇反应的机理，并且在假定均质混合物的情况下，研究了废气燃料重整对运行参数（如点火正时，燃烧持续时间，温度，压力和NO_x排放）的影响。结果表明，重整气体形式的氢气有助于降低HCCI稳定运行所需的进气温度。结论是，氢气的添加促进了气缸内燃烧的开始。这是由于在压缩冲程期间发生自动点火所需的最低进气温度降低，导致在相同进气温度下的提前燃烧。从模型中获得的结果与文献中发表的实验数据进行了比较，该比较显示出合理的兼容性。

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来源
《Proceedings of the 2009 spring technical conference of the ASME Internal Combustion Engine Division》|2009年|P.337-342|共6页
会议地点 Milwaukee WI(US);Milwaukee WI(US)
作者
Alireza Rahbari; Bamdad Barari; Ashkan Abbasian Shirazi;
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作者单位

Department of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran;

rnDepartment of Mechanical Engineering, Shiraz University, Shiraz, Iran;

rnDepartment of Mechanical Engineering, Shiraz University, Shiraz, Iran;

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1. Numerical investigation of ethanol fuelled HCCI engine using stochastic reactor model. Part 2: Parametric study of performance and emissions characteristics using new reduced ethanol oxidation mechanism [J] . Maurya Rakesh Kumar, Akhil Nekkanti Energy Conversion & Management . 2016,第auga期

机译：基于随机反应堆模型的乙醇燃料HCCI发动机的数值研究。第2部分：使用新的还原乙醇氧化机理对性能和排放特性进行参数研究
2. Numerical and experimental investigations on a dual fuel HCCI engine by using ethanol as primary fuel and diesel as secondary fuel for NO_x reduction and better performance [J] . Ganesh R. Gawale, G. Naga Srinivasulu International journal of ambient energy . 2020,第1a7期

机译：用乙醇用乙醇作为初级燃料和柴油作为辅助燃料的二元燃料HCCI发动机的数值和实验研究作为NO_X降低和更好的性能
3. Effect of inlet temperature and equivalence ratio on HCCI engine performance fuelled with ethanol: Numerical investigation [J] . Alireza Rahbari 中南大学学报（英文版） . 2016,第001期

机译：进气温度和当量比对以乙醇为燃料的HCCI发动机性能的影响：数值研究
4. A computational study of the effect of fuel reforming, EGR and initial temperature on lean ethanol HCCI combustion [C] . Cathy K. W. Ng, Murray J. Thomson SAE World Congress . 2005

机译：燃料重整，EGR和初始温度对苯乙醇HCCI燃烧作用的计算研究
5. Investigation of homogeneous charge compression ignition (HCCI) engines fuelled with ethanol blends using experiments and numerical simulations. [D] . Mack, John Hunter. 2007

机译：使用实验和数值模拟研究以乙醇混合物为燃料的均质充量压燃式（HCCI）发动机。
6. Performance and Emission Characteristics of Diesel Engine Fueled with Ethanol-Diesel Blends in Different Altitude Regions [O] . Jilin Lei, Yuhua Bi, Lizhong Shen 2011

机译：不同海拔地区以乙醇-柴油混合燃料为燃料的柴油机性能和排放特性
7. A computational study on the effect of exhaust gas recirculation on auto-ignition timing of HCCI engine fuelled with N-heptane, iso-octane, ethanol and methane [O] . Milovanovic Nesa, Chen Rui, Law Don, 2002

机译：废气再循环对正庚烷，异辛烷，乙醇和甲烷供油的HCCI发动机自燃正时影响的计算研究

COMPUTATIONAL INVESTIGATION OF HCCI ENGINE PERFORMANCE WITH FUEL REFORMING EFFECT ON LEAN ETHANOL

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