Fundamental Study on DISC Engine with Two-Stage Fuel Injection

Hiroshi HATTORI; Motoo OTA; Eiichi SATO; Toshikazu KADOTA

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Fundamental Study on DISC Engine with Two-Stage Fuel Injection

机译：两级燃油喷射DISC发动机的基础研究

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An experimental study has been carried out on the combustion characteristics of a newly proposed direct-injection stratified-charge SI engine. A water-cooled, 4-cylinder, 4-stroke-cycle diesel engine with a square piston cavity was modified to permit the installation of a spark plug. Charge stratification was accomplished with two-stage fuel injection. The main fuel was injected at the early stage of the induction stroke to form a lean homogeneous mixture, and the auxiliary fuel was injected just before the spark firing to produce a rich mixture near the spark plug. The results showed that the lean limit was extended up to approximately the air-fuel ratio of 25 without increasing in fuel consumption and HC emissions. The optimum quantity of auxiliary fuel was found to extend the lean limit and to reduce the fuel consumption. Charge stratification caused a reduction in the ignition delay.

机译：已经对新提出的直喷分层充气SI发动机的燃烧特性进行了实验研究。对带有方形活塞腔的水冷4缸4冲程循环柴油发动机进行了改装，以允许安装火花塞。装料分层是通过两级燃油喷射完成的。在进气冲程的早期喷射主燃料以形成稀薄的均匀混合物，而在火花点火之前就喷射辅助燃料以在火花塞附近产生浓混合气。结果表明，在不增加燃油消耗和HC排放的情况下，稀薄极限扩展到大约25的空燃比。发现辅助燃料的最佳数量可以延长稀薄极限并减少燃料消耗。装料分层降低了点火延迟。

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来源
《JSME International Journal. Series B, Fluids and Thermal Engineering》 |1995年第1期|p.129-135|共7页
作者
Hiroshi HATTORI; Motoo OTA; Eiichi SATO; Toshikazu KADOTA;
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作者单位

Faculty of Engineering, Osaka Sangyo University, Nakagaito, Daito, Osaka 574, Japan;

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原文格式 PDF
正文语种 eng
中图分类机械学（机械设计基础理论）;能源与动力工程;
关键词
internal combustion engine; gasoline engine; fuel injection; lean combustion; stratified charge; direct injection; two-stage injection;

机译：内燃机;汽油机;燃油喷射;稀薄燃烧;分层装料;直接喷射;二级喷射;

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1. Impact of two-stage injection fuel quantity on engine-out responses of a common-rail diesel engine fueled with coconut oil methyl esters-diesel fuel blends [J] . How H. G., Teoh Y. H., Masjuki H. H., Renewable energy . 2019,第AUGa期

机译：两阶段喷射燃料量对以椰子油甲酯-柴油混合燃料为燃料的共轨柴油发动机的发动机熄火响应的影响
2. Effect of two-stage injection dwell angle on engine combustion and performance characteristics of a common-rail diesel engine fueled with coconut oil methyl esters-diesel fuel blends [J] . Teoh Y. H., Masjuki H. H., How H. G., Fuel . 2018,第DECa15期

机译：两阶段喷射停留角对椰子油甲基酯-柴油混合燃料共轨柴油发动机燃烧和性能特性的影响
3. Injection strategy for simultaneous reduction of NO_x and soot emissions using two-stage injection in DME fueled engine [J] . Su Han Park, Seung Hyun Yoon Applied Energy . 2015,第apra1期

机译：在DME燃料发动机中采用两级喷射同时降低NO_x和烟尘排放的喷射策略
4. Fundamental study of low fuel consumption control scheme based on combination of direct fuel injection engine and continuously variable transmission [C] . Takahashi, S. . 1998

机译：直接燃油喷射发动机和无级变速器相结合的低油耗控制方案的基础研究
5. Biodiesel and ULSD Fueled Compression Ignition Engines Operating with Multiple Fuel Injections [D] . Simpson, Tyler Jeffrey. 2020

机译：生物柴油和ULSD燃料压缩点火发动机，具有多种燃料喷射
6. Study on Particulate Structure Characteristics ofDiesel Engines Fueled with a Methanol/Biodiesel Blend [O] . Ruina Li, *, Zhong Wang, 2021

机译：颗粒结构特征研究柴油发动机用甲醇/生物柴油混合物燃料
7. Experimental investigation of hydraulic effects of two-stage fuel injection on fuel-injection systems and diesel combustion in a high-speed optical common-rail diesel engine [O] . Herfatmanesh, Mohammad Reza, Zhao, Hua 2014

机译：两级燃油喷射对高速光学共轨柴油机燃油喷射系统和柴油机燃烧水力影响的试验研究
8. The fundamental principles of high-speed semi-diesel engines. Part I: a general discussion of the subject of fuel injection in diesel engines and detailed descriptions of many types of injection nozzles [R] . Buchner, 1926

机译：高速半柴油发动机的基本原理。第一部分：柴油发动机燃油喷射主题的一般性讨论和许多类型喷油嘴的详细说明

Fundamental Study on DISC Engine with Two-Stage Fuel Injection

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