COMBUSTION CHARACTERISTICS OF SI ENGINE FUELED WITH 2,5- DIMETHYLFURAN AND GASOLINE BLENDS USING AVL-BOOST SIMULATION

Q3 Engineering

Journal of Mechanical Engineering Research and Developments Pub Date : 2019-08-29 DOI:10.26480/jmerd.05.2019.34.37

D. C. Nguyen, V. H. Dong, Q. Tran

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引用次数: 3

Abstract

Currently, 2,5-dimethylfuran (DMF) has shown that it is a potential alternative fuel source to replace the traditional fuels such as gasoline and diesel. However, the combustion and emission properties of DMF have been rarely characterized, especially the using of DMF-gasoline blends in SI engines. This article present how the fuel properties and loads affected the combustion of DMF-gasoline blends in a four-cylinder SI engine using AVL-Boost simulation. The simulation conditions were that the throttle valves opening at 75% and 100%, and speed from 1000 to 6000 rpm with the using blends is DMF10, DMF20, DMF30, DMF40 and DMF 50 (corresponding with the DMF ratio in DMF-gasoline blends is 10%, 20%, 30%, 40% and 50%). The simulation result is that when adjusting the amount of fuel supplied to a cycle of engine to ensure that λ=1(λ: relative Air to Fuel ratio) when we change the DMF fuel ratio in the blends with gasoline in almost the same power and torque as pure gasoline without changing any structure of the engine. In addition, to remains the engine power when using from DMF10 to DMF50, its need to be increased the average amount of fuel to 9.27% compare to the pure gasoline over the full speed range of 1000÷6000 rpm.

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使用avl-boost模拟2,5-二甲基呋喃与汽油混合燃料的si发动机燃烧特性

目前，2,5-二甲基呋喃(DMF)已被证明是一种有潜力取代汽油、柴油等传统燃料的替代燃料。然而，很少对DMF的燃烧和排放特性进行表征，特别是在SI发动机中使用DMF-汽油混合物。本文利用AVL-Boost模拟，介绍了燃料特性和载荷如何影响四缸SI发动机中dmf -汽油混合物的燃烧。仿真条件为节流阀开度分别为75%和100%，转速为1000 ~ 6000 rpm，使用DMF10、DMF20、DMF30、DMF40和dmf50(对应DMF-汽油混合物中DMF的比例分别为10%、20%、30%、40%和50%)。仿真结果表明，在不改变发动机结构的情况下，在与纯汽油的功率和扭矩几乎相同的情况下，改变汽油混合燃料的DMF燃料比，使发动机一个循环的供油量达到λ=1(λ:相对空燃比)。此外，为了保持DMF10到DMF50的发动机功率，在全速(1000÷6000 rpm)范围内，其平均燃油量需要比纯汽油增加9.27%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Mechanical Engineering Research and Developments Engineering-Computational Mechanics

自引率

0.00%

发文量

审稿时长

9 weeks

期刊介绍： The scopes of the journal include, but are not limited to, the following topics: • Thermal Engineering and Fluids Engineering • Mechanics • Kinematics, Dynamics, & Control of Mechanical Systems • Mechatronics, Robotics and Automation • Design, Manufacturing, & Product Development • Human and Machine Haptics Specific topics of interest include: Advanced Manufacturing Technology, Analysis and Decision of Industry & Manufacturing System, Applied Mechanics, Biomechanics, CAD/CAM Integration Technology, Complex Curve Design, Manufacturing & Application, Computational Mechanics, Computer-aided Geometric Design & Simulation, Fluid Dynamics, Fluid Mechanics, General mechanics, Geomechanics, Industrial Application of CAD, Machinery and Machine Design, Machine Vision and Learning, Material Science and Processing, Mechanical Power Engineering, Mechatronics and Robotics, Artificial Intelligence, PC Guided Design and Manufacture, Precision Manufacturing & Measurement, Precision Mechanics, Production Technology, Quality & Reliability Engineering, Renewable Energy Technologies, Science and Engineering Computing, Solid Mechanics, Structural Dynamics, System Dynamics and Simulation, Systems Science and Systems Engineering, Vehicle Dynamic Performance Simulation, Virtual-tech Based System & Process-simulation, etc.