废气再循环

本文简单介绍废气再循环（EGR）的工作原理，废气再循环在燃气发动机上的试验。

The paper briefly describes the working principle of EGR and the test of EGR in the engine .

废气再循环对车用柴油机性能与排放的影响

Effects of EGR on Performances and Emissions of an Automotive Diesel Engine

降低柴油机有害排放物NOX的废气再循环技术

Reducing NO_X Emissions of Diesel Engine by Applying Technology of EGR

设计了LPG电喷发动机的废气再循环系统。

EGR system of LPG engine is developed .

目前对于满足欧Ⅲ排放法规的柴油机，通常利用废气再循环来降低NOX排放。

Currently , to meet Euro ⅲ emission regulations of diesel engines , often using exhaust gas recirculation to reduce NO_X emissions .

增压柴油机实现废气再循环（EGR）系统的模拟计算研究

Simulation Study of EGR Systems for a Turbocharged Diesel Engine

因此为了解决以上矛盾，可以使用抗爆剂或采用废气再循环（EGR）的方法。

For solving the paradox , the antiknock and EGR can be used .

废气再循环（EGR）冷却器钎焊工艺试验研究

Experiment Research on Brazing Technology for Exhaust Gas Recirculation ( EGR ) Cooler

简要介绍了废气再循环（EGR）技术降低NOx的基本原理和系统分类。

The fundamental principle for NOx control by EGR technology and its systematic classification are introduced .

废气再循环（EGR）率的合理控制对NOx的净化效果和整机排放极其重要。

It is important to control the Exhaust Gas Recirculation ( EGR ) rate of Internal Combustion Engine to reduce NOX emission and other emissions .

以一台增压二甲醚发动机为研究对象，研究废气再循环（EGR）对二甲醚发动机性能和排放的影响。

An experimental investigation of exhaust gas recirculation ( EGR ) on performance and emissions of a turbocharged DME engine was carried out .

在此基础上，本文提出了二甲醚发动机实现超低排放的控制策略，即采用废气再循环技术降低NOX排放，氧化后处理技术降低HC和CO排放。

The HC and CO emissions of DME engine achieve a very low level . The strategy for ultra-low emission is proposed : EGR technology is taken to reduce NOX emission .

在柴油机采用废气再循环（EGR）技术以降低氮氧化物（NOx）排放的情况下，分析了不同供油提前角对发动机排放及油耗的影响情况。

Influences of different fuel advance angle on engine exhaust emission and fuel consumption are analyzed under the conditions of using EGR technology to reduce NOx emission .

增压柴油机废气再循环（EGR）系统的优化设计天然气掺氢配合废气再循环发动机的性能及排放研究

Design and Optimization of Exhaust Gas Recirculation System for Turbo-Charged Diesel Engine Experimental Study on Engine Performance and Emissions Fuelled with CNG-Hydrogen Blends Combined with EGR

为了进一步降低发动机的NOx排放，开发了废气再循环（EGR）系统，并研究了EGR对二甲醚发动机性能的影响。

In order to reduce NOx emission , exhaust gas recycle ( EGR ) system is developed . The influence of EGR to DME engine performance is researched .

以国产增压直喷式柴油机为对象，进行了应用废气再循环（EGR）技术降低氮氧化物（NOx）排放的研究。

The technology of exhaust gas recirculation ( EGR ) has been researched in a turbocharged direct-injected diesel engine in order to reduce nitrogen oxides ( NOx ) emission .

根据生成机理的不同比较分析了各种低NOx燃烧技术，包括低氧燃烧、浓淡燃烧、分级燃烧、废气再循环等技术。

Based on the different formation mechanism , many low NOx combustion techniques are compared and analyzed , including low oxygen combustion , biased combustion , staged combustion , exhaust gas recirculation , etc.

设计合理的废气再循环（EGR）系统，开展EGR对柴油机燃烧噪声影响的机理研究。

Design the reasonable Exhaust Gas Recirculation ( EGR ) system and carry out the mechanism research for the impact of the combustion noise of the diesel engine .

提出了采用单向阀利用进排气压力波动的废气再循环（EGR）系统。

A check valve exhaust gas recirculation ( EGR ) system , which makes effective use of intake and exhaust pressure waves , was proposed for turbocharged diesel engines .

介绍了汽车尾气污染的来源和产生机理及其净化方式，通过电子控制单元（ECU），利用废气再循环系统（EGR）和三元催化装置来控制汽车尾气排放污染。

Introduced in the paper is a system which controls the tail gas emission of automobiles . The system is composed of ECU , EGR and a ternary catalytic cleaner .

本文对柴油机废气再循环（EGR）特性，EGR控制以及柴油机低温预混合燃烧（HCCI）进行了研究。

This paper makes a deep research on Exhaust gas recirculation ( EGR ) characteristic , EGR control strategy and diesel engine low temperature premixed combustion ( HCCI ) .

推荐可变压缩比（VCR）方案、可变废气再循环率（EGR）方案、可变排气门关闭时刻方案，以及废气再循环滚流分层充气方案等。

Schemes of variable compression ratio ( VCR ), variable exhaust gas recirculation ( EGR ), variable exhaust valve timing , and EGR with stratification by tumble charge flow are recommended .

以数字式电子调速器为平台，结合废气再循环技术来减少汽车尾气排放中的NOx，在柴油机上应用EGR技术己经是必然的趋势。

With digital electronic speed governor as a platform , exhaust gas recirculation technology can reduce vehicle emissions of NOx . The application of EGR technology in diesel engine has been an inevitable trend .

首先进行了柴油机综合电控系统的总体方案设计，进行了电控高压共轨燃油喷射系统的分析和电控废气再循环（EGR）系统的开发。

Then , based on analysis of high pressure common rail injection system and EGR system , both the designing tasks of hardware and software for electronic control unit have been finished .

废气再循环（EGR）技术是一个成熟的排放控制手段，已经普遍应用在许多轻型车上，是轻型柴油车达到国家欧II排放法规要求的一个基本对策。

EGR technology is a mature emission control means , which has already been applied in many light-duty vehicles . It 's a basic strategy to make light diesel vehicle meet the requirement of Nation Emission Regulation of Europe II .

据市场监管机构透露，德国汽车制造商宝马（BMW）将在中国召回超过7800辆汽车，原因是废气再循环系统（EGR）或燃油泵系统存在缺陷。

German auto maker BMW will recall more than 7800 cars in China over defects with the exhaust gas recirculation ( EGR ) systems or the fuel pump systems , according to the market regulator .

介绍汽车废气再循环（EGR）系统的类型与组成、基本原理及控制功能，并对故障判断与排除作了简要阐述。

The type and configuration , the basic principle and control function of exhaust gas recirculation ( EGR ) system is described in this article , with the brief explanation on trouble diagnosis and shooting .

介绍了柴油机废气再循环（EGR）的技术特点、控制原理和EGR率的测量方法，并就其在重型增压柴油机上的应用现状做了阐述。

The technical specialty and control principle for EGR in diesel and the measure method of EGR rate are introduced in this paper . Meanwhile the application of EGR in heavy-duty diesel engine is expounded .

根据增压柴油机废气再循环（EGR）系统的要求，采用动态矩阵控制（DMC）算法设计EGR系统控制器。

According to the demand of exhaust gas recirculation ( EGR ) system on a turbocharged diesel engine , the method about dynamic matrix control ( DMC ) has been used to design EGR control instrument .

在一台单缸直喷式柴油机上研究了废气再循环（EGR）对不同辛烷值燃料均质压燃（HCCI）发动机性能和排放特性的影响。

This paper reports the investigation of the effects of Exhaust Gas Recirculation ( EGR ) and octane number on engine performance and emission characteristics of homogeneous charge compression ignition ( HCCI ) engine .