现代汽车热管理系统研究进展

目 次

现代汽车热管理系统研究进展（摘要链接） ................................. 2 电喷LPG发动机快速燃烧过程循环变动的研究（摘要链接） ................... 3 自励式缓速器制动力矩计算方法（摘要链接） ............................... 4 基于ADAMS/CAR的双横臂与多连杆悬架系统运动学分析（摘要链接） ........... 5 基于MATLAB/GUI的制动系统设计与评价软件开发（摘要链接） ................ 6 CA6471轻型客车机舱通风及冷却性能的改善（摘要链接） .................... 7 CA6700EV纯电动客车再生制动控制策略研究（摘要链接） .................... 8 同步带传动对发动机前端噪声的影响（摘要链接） ........................... 9 轿车悬架橡胶衬套结构特点分析（摘要链接） .............................. 10 轿车白车身模态试验方法研究（摘要链接） ................................ 11 汽车转向盘角脉冲试验数据后处理方法（摘要链接） ........................ 12 汽车空调配风试验台设计与研究（摘要链接） .............................. 13 转向节柱拔出力试验的分析研究（摘要链接） .............................. 14 斜连杆裂解工艺分析（摘要链接） ........................................ 15

《汽车技术》杂志2009年第8期摘要

现代汽车热管理系统研究进展

于莹潇1,2 袁兆成1 田佳林2 马家义1

（1.吉林大学；2.空军航空大学）

【摘要】分析了当前汽车热管理系统的组成和存在的问题；介绍了目前国内外对于汽车热管理系统的设计理念和研究方法， 包括智能化电控热管理系统、新型布局热管理系统、新型热管理材料和热管理系统仿真等。展望了现代汽车热管理系统的发展目标，指出采用电控冷却部件实现精确冷却和分流式冷却的有效整合是行之有效的手段，全新热管理材料的出现必将加速热管理系统模块化和集成化的进程。

主题词：汽车 热管理系统 研究

Research Progress of Modern Vehicle Thermal

Management System (VTMS)

Yu Yingxiao1,2，Yuan Zhaocheng1，Tian Jialin2，Ma Jiayi1 （1. Jilin University; 2. Aviation University of Air Force）

【Abstract】The structure and existent problems of VTMS are analyzed in this paper, and the design concept and research methods, such as intelligent electronic-controlled VTMS, new layout VTMS, new thermal management materials and VTMS simulation etc, are also presented. The development goal of modern VTMS is discussed, and the integration of bypass-flow cooling and precision cooling with electronic-controlled elements has been identified as the most promising means to be adopted in a modern VTMS. The modularization and integration of VTMS will surely speed up with some new thermal management materials.

Key words: Vehicle; Thermal management system; Research

《汽车技术》杂志2009年第8期摘要

电喷LPG发动机快速燃烧过程

*

循环变动的研究

胡春明 刘娜 李伟 宋玺娟 董亮亮

（天津大学 天津内燃机研究所）

【摘要】研究了某电喷LPG发动机快速燃烧过程的循环变动。结果表明，基于高能双火花塞点火模式的快速燃烧系统的燃烧压力峰值以及对应的相位波动范围小于高能单点火模式；强涡流使发动机压力峰值相位产生较大波动。在稀燃模式下，高能双点火模式与普通单点火模式相比，不但稀燃极限得到了扩展，燃烧压力峰值的循环变动范围非常小，其对应的相位波动范围也较小。

主题词：电喷LPG发动机 点火模式 燃烧过程 循环变动

Research on the Rapid Combustion Cyclic Variation of

Electronic controlled LPG Injection SI Engine

Hu Chunming, Liu Na, Li Wei, Song Xijuan, Dong Liang liang (Tianjin Internal Combustion Engine Research Institute of Tianjin University)

【Abstract】The rapid combustion cyclic variation of an EFI LPG engine was researched in this paper. The results indicated that the combustion peak pressure and the corresponding phase fluctuation range of the rapid combustion based on the high energy double spark-plug ignition (DSI) were lower than single spark-plug ignition; strong swirl made the phases of the engine peak pressure fluctuate. Under the lean burning condition, compared with single spark-plug ignition, the DSI extended the limitation of the lean burning and had smaller deviation of the peak pressure combined with smaller phase fluctuation.

Key Words: Electronically controlled LPG injection SI engine; Ignition mode; Burning process; Cyclic variation

《汽车技术》杂志2009年第8期摘要

自励式缓速器制动力矩计算方法

杨效军 何仁 沈海军

（江苏大学）

【摘要】基于麦克斯韦张量法和电磁理论，研究并推导了自励式缓速器发电装置电磁转矩和缓速装置制动扭矩的解析计算公式。通过对500N.m自励式缓速器制动力矩的理论计算值与试验值的比较可知，在中、低转速范围，其制动力矩的理论计算值与试验值基本吻合。该结果为进一步研究自励式缓速器制动力矩与各结构参数的关系及结构优化设计提供了理论基础。

关键词：自励式缓速器 制动力矩 计算

Analytical Calculation of Braking Torque for the

Self-excited Retarder

Yang Xiaojun He Ren Shen Haijun

(Jiangsu University)

【Abstract】The analysis and calculation formula of electromagnetic torque of the self-excited retarder and braking torque of the retarder are researched and derived based on Maxwell Stress Tensor and the Electromagnetic Theory. It is known from comparison between the braking torque calculated theoretically and the test result for a 500Nm self-excited retarder that the former was basically consistent to the later in low and moderate rotational speed. This would lay a theoretical foundation for further study on the relation between braking torque and mechanical structure parameters and the optimization design for a self-excited retarder.

Key words: Self-excited retarder, Braking torque, Calculation

《汽车技术》杂志2009年第8期摘要

基于ADAMS/CAR的双横臂与多连杆

悬架系统运动学分析

吴红艳 翟润国 井绪文

（一汽轿车股份有限公司）

【摘要】在ADAMS/CAR模块中建立了某款轿车双横臂式独立前悬架与E型多连杆独立后悬架模型。对其进行运动学分析表明，该车的前、后悬架结构合理，整体性能比较理想；前悬架具有良好的回正能力，转向操纵轻便，有利于提高前轮的安全性，减少轮胎的磨损；后悬架结构设计有利于增加汽车横向稳定值，减少轮胎磨损。

关键词：双横臂悬架 多连杆悬架 运动学分析

The Kinematics Analysis of Double Wishbone and Multi-link Suspension System Based on the Software of

ADAMS/CAR

Wu Hongyan Zhai Runguo Jing Xuwen

(FAW Car Co., Ltd)

【Abstract】At first the model of double-wishbone front suspension and E-type multi-link independent rear suspension of a car are built in the ADAMS/CAR software, then kinematics simulation analysis is carried out. The result indicates that the configuration of the suspension system is reasonable and capability is perfect; the front suspension has fair good return-to-center capability, ease of steering manoeuvre, which is helpful to improve safety of the front wheel and reduce tire wear, whereas the rear suspension structural design is helpful to improve vehicle lateral stability and reduce tire wear.

Key words: Double-wishbone suspension; Multi-link suspension; Kinematics analysis

《汽车技术》杂志2009年第8期摘要

基于MATLAB/GUI的制动系统设计

与评价软件开发

张继红 宗长富 郑宏宇

（ 吉林大学 汽车动态模拟国家重点实验室）

【摘要】基于MATLAB/GUI开发了汽车制动系统设计与性能评价软件。软件分为四大模块：有比例阀（比例分配阀、差压比例阀、感载比例阀、加速度比例阀）汽车制动系统匹配计算与分析；无比例阀汽车制动系统匹配计算与分析；基于踏板力计算分析评价汽车制动稳定性；ECE制动法规要求以及曲线。以某轻型货车为例，进行了模拟计算并与Carsim仿真结果进行了对比，从而验证了该软件的可靠性与实用性。

关键词： MATLAB 制动系统 软件 开发

An Automotive Brake System Design and Evaluation

Software Development based on ATLAB/GUI

Zhang Jihong Zong Changfu Zheng Hongyu

(State Key Laboratory of Automobiles Dynamic Simulation, Jilin University)

【Abstract】An Automotive braking system design and performance evaluation software is developed based on MATLAB/GUI. The software consists of four modules: proportioning valve (proportioning valve, pressure difference proportioning valve, load sensing proportioning valve, acceleration proportioning valve) used in computation and analysis of automobile braking system match; computation and analysis of braking system match for vehicle without proportioning valve; automotive braking stability computation, analysis and evaluation based on pedal force; ECE braking regulation requirement and curve. Simulation computation is carried out with a light duty truck as an example and compare the result with Carsim simulation, reliability and practicability of the software are thus validated.

Key words: MATLAB; Braking system; Software, Development

《汽车技术》杂志2009年第8期摘要

CA6471轻型客车机舱通风及冷却

性能的改善

金叙龙 杨兴龙

（中国第一汽车集团公司技术中心）

【摘要】针对CA6471轻型客车的机舱通风和冷却性能进行了试验研究，确定了改善发动机机舱通风和冷却性能的7项措施，并将7项措施分类组合为4种方案，分别进行试验研究后确定了初步改进方案。在此基础上进一步对散热器性能进行改善和试验研究，最终确定了CA6471轻型客车机舱通风和冷却性能改善的设计方案，解决了其基础车型CA6440轻型客车因车身结构限制而存在的发动机过热问题。

主题词：轻型客车 发动机舱 冷却 试验研究

Improvement of Ventilation and Cooling Performance of

Engine Compartment CA6471 Light Bus

Jin Xulong, Yang Xinglong （FAW Group Corporation R&D Center)

【Abstract】 Experimental study was made to ventilation and cooling performance of engine compartment of CA6471 light duty bus, through which seven measures were defined to improve engine compartment ventilation and cooling performance, and the seven measures were further classified and combined into four plans, and the preliminary improvement plan was determined after experimental study. On this basis experimental study was carried out to improve radiator performance, thus the final design plan to improve engine compartment cooling and cooling performance of engine compartment of CA6471 light duty bus was defined, thus solved engine overheat caused by body structure limit of its basic model--CA6440 light duty bus.

Key words：Light bus, Engine compartment, Cooling, Experimental Study

《汽车技术》杂志2009年第8期摘要

CA6700EV纯电动客车再生制动

控制策略研究

刘宏伟 赵文平 吕奉阳

( 吉林大学)

【摘要】 分析了纯电动客车有别于传统客车的制动特性，论述了制约再生制动能量回收的ECE法规、需求的电机扭矩、电机的实际峰值扭矩、动力电池SOC值限制等限制条件，提出了适用于本文纯电动客车的再生制动控制策略。通过仿真分析，验证了本文再生制动控制策略的合理性和有效性。

主题词：纯电动客车 再生制动 控制策略

A Study on Control Strategy for Regenerative Braking for

CA6700EV Electric Bus

Liu Hongwei, Zhao Wenping, Lv Fengyang

(Jilin University)

【Abstract】 The braking characteristics of electric bus that is different from conventional bus is analyzed, and some conditions that restrict regenerative braking and energy recovery such as ECE law, motor torque demand, motor real peak torque, power battery SOC values, etc. are discussed in the paper, meanwhile regenerative braking control strategy suitable for the electric bus is also presented. Rationality and validity of the regenerative control strategy discussed are validated by simulation and analysis.

Key words: Electric bus, Regenerative braking, Control strategy

《汽车技术》杂志2009年第8期摘要

同步带传动对发动机前端噪声的影响

曾庆华1 靳晓雄1 刘波2

（1 同济大学；2 奇瑞汽车股份有限公司）

【摘要】应用发动机分析专用软件AVL-ETD，对某款发动机的正时同步带传动系统进行了一维动力学仿真，并结合该发动机正时系统布置、张紧器匹配和对仿真结果的分析，提出了系统改进方案。对比方案改进前、后的试验数据与软件仿真分析结果表明，采用多体动力学方法辅助分析可降低由正时同步带系统振动激励引起的发动机正时机械噪声。

主题词：发动机 正时同步带 传动 噪声

Effect of Synchronous Timing Belt Transmission

on Engine Noise

Zeng Qinghua1, JinXiaoxiong1, Liu Bo2

（1 Tongji University 2 Chery Automobile Co., Ltd）

【Abstract】1D dynamic simulation for the synchronous timing belt transmission system of an engine is carried out with special purpose engine software AVL-ETD, an improvement program is proposed according to layout of engine timing system, tensioner match and analysis of simulation results. Comparison of the test data prior and after the test as well as analysis of software simulation indicate that the CAE with multi-body dynamic method can reduce engine timing mechanical noise caused by vibration and excitation of the synchronous timing belt transmission system..

Key words：Engine Synchronous timing belt Transmission Noise

《汽车技术》杂志2009年第8期摘要

轿车悬架橡胶衬套结构特点分析

余振龙 具龙锡

（一汽轿车股份有限公司）

【摘要】介绍了橡胶衬套的种类,阐述了汽车悬架橡胶衬套的基本性能及其应用情况。研究了悬架的副车架橡胶衬套和控制臂橡胶衬套在车辆中各向特性参数的分布及其对汽车操纵稳定性和平顺性的影响，并对橡胶衬套的结构设计特点、橡胶材料和配方、疲劳破坏性能等进行了分析。

主题词：轿车 独立悬架 橡胶衬套 静刚度

Analysis of Structural Characteristics of Rubber

Bushing in Car Suspension

Yu Zhenlong Ju Longxi (FAW Car Co., Ltd)

【Abstract】Category of rubber bushing is introduced in the paper, and the basic performance and application of rubbing bushing of automotive suspension are also discussed. Distribution of sub-frame rubber bushing of suspension and rubber busing of control arm in characteristic parameters and their effect on vehicle handling stability and ride are studied. Meanwhile the structural design features, rubber material and formula, fatigue damage properties of the rubber bushing, etc., are analyzed.

Key words: Car Independent suspension; Rubber bushing; Static stiffness

《汽车技术》杂志2009年第8期摘要

轿车白车身模态试验方法研究

靳晓雄 吴颖江 彭为 高吉强 单莘

（同济大学）

【摘要】介绍了轿车白车身模态试验方法，探讨了试验中白车身约束方式的选择及其合理性验证、激振点位置的选择、激振力方向的选择、测点的布置原则、试验测试系统的检验、模态数据可靠性检验等。结合具体模态试验,通过对试验数据的分析，提出了一种有效的模态分析试验方法，并对白车身提出了改进建议。

主题词：白车身 模态试验 分析

The Research for the Modal Test Methods of Car’s

Body-in-White

Jin Xiaoxiong, Wu Yingjiang, Peng Wei, Gao Jiqiang,Shan Shen

(Tongji University)

【Abstract】The modal test methods of the car’s body-in-white were investigated in this paper. Associated with the practical project, the methods were introduced such as the restriction of car’s body and rationality testing, selection of the location of exciting forces, selection of the directions of exciting forces, the principle of the arrangement the measuring points, test of the test system, modal data reliability test, and so on. Finally, an effective modal test method was presented and some proposals involving body-in-white improvement were proposed.

Key words: Body-in-White; Modal analysis; Analysis

《汽车技术》杂志2009年第8期摘要

汽车转向盘角脉冲试验数据

*

后处理方法

杨得军 那晓翔 宗长富 管欣

（吉林大学 汽车动态模拟国家重点实验室）

【摘要】针对汽车转向盘角脉冲试验3种后处理方法的基本原理、算法特点和误差来源进行了分析。分析结果表明，与应用连续傅里叶变换数值解法和离散傅里叶变换法的计算结果相比，应用系统辨识方法获得的车辆系统频率特性更能逼真地反映车辆系统自身的频率特性,即系统辨识方法不仅能提升角脉冲试验的数据处理精度，同时也为今后以角阶跃试验替代角脉冲试验辨识获取车辆系统的频率特性提供了理论依据。

主题词：转向盘 角脉冲试验 数据处理

Post-processing Approach on Vehicle Steering Wheel Angle

Pulse Test Data

Yang Dejun, Na Xiaoxiang, Zong Changfu, Guan Xin

(State Key Laboratory of Automobiles Dynamic Simulation, Jilin University)

【Abstract】The basic principle, algorithm features and error sources of the three post-process approaches on vehicle steering wheel angle pulse test were analyzed. The analysis results indicate that compared with the calculation result with continuous Fourier Transformation and the method of Discrete Fourier Transformation, the vehicle system frequency characteristic obtained with system identification approach can more vividly reflect vehicle system frequency characteristics, e.g. system identification method can not only improve data processing accuracy of the angle pulse data, but also provide theoretical foundation for angle step test to replace angle pulse test identification to obtain vehicle system frequency characteristic.

Key words：Steering wheel Angle pulse test Post-processing

《汽车技术》杂志2009年第8期摘要

汽车空调配风试验台设计与研究

李亚1 李振亮1 赵鸿汉2 许玮1 刘文武1 沈兆昆2

(1. 天津科技大学；2. 天津三电汽车空调有限公司)

【摘要】基于汽车空调各出风口处与大气压差为零的特点，设计并搭建了汽车空调配风试验台。该试验台采用差压式流量计法间接测量汽车空调各出风管道的气体流量，能够在汽车空调真实配风环境下，同时测量9个出风口的气体流量，有效地提高了测量精度并缩短了测试周期。

主题词：汽车 空调 气体流量 试验台

Design and Study on Air-distributing Test-bed for Auto

Air-conditioning System

Li Ya1 , Li Zhenliang1 , Zhao Honghan2, Xu Wei1 , Liu Wenwu1 , Shen Zhaokun2

(1. Tianjin University of Science & Technology; 2. Tianjin Sanden Auto

Air-conditioning CO., Ltd.)

【Abstract】An air-distributing test-bed was designed and established based on the characteristic that the difference of pressure was zero between the air pressure at the vents and atmospheric pressure. The air flow can be measured indirectly by using the difference pressure type flow-meter, and the test-bed can measure air flow in nine air vents at the same time, which effectively increases the measuring accuracy and shortens the testing period.

Key words: Auto; Air-conditioning; Air flow; Test-bed

《汽车技术》杂志2009年第8期摘要

转向节柱拔出力试验的分析研究

高秋金 徐志军 晏金军

(上海大众汽车有限公司)

【摘要】针对某转向节柱拔出力试验不合格的情况，通过理论分析、模拟计算和试验对转向节柱拔出力的产生原理及影响因素进行了研究，并对摩擦因数对拔出力的影响进行了理论分析。结果表明，通过合理选择转向节柱减振器孔的粗糙度和调整加工工艺参数可使转向节柱拔出力满足试验要求。提出了改进措施，对比试验验证结果表明改进效果良好。

主题词：转向节柱 拔出力 粗糙度 工艺参数

Analysis and Research on the Pulling-out force

of Steering Knuckle

Gao Qiujin Xu Zhijun Yan Jinjun

(Shanghai Volkswagen)

【Abstract】To solve the problem of unsatisfactory pulling-out force of a steering knuckle, the generation theory and influencing factor of steering knuckle were carried out by theoretical analysis, simulative calculation and test, and the effect of friction factor on pulling-out force was analyzed theoretically. The results indicate that the pulling-out force can satisfy the requirement of test by selecting reasonably coarseness of hole of the steering knuckle shock absorber and adjusting machining parameters. Modification measures are presented in the paper. The comparison with test verification results proves that the modification works well.

Key words: Steering knuckle Pulling-out force Coarseness Process parameter

《汽车技术》杂志2009年第8期摘要

斜连杆裂解工艺分析

赵勇 杨慎华 寇淑清 张志强

（吉林大学）

【摘要】介绍了柴油机斜连杆裂解工艺。研究了斜连杆较大外形尺寸对裂解连杆锻后控制空冷及裂纹扩展的影响及其结构不对称性对启裂的影响，分析了斜连杆在裂解试验和小批量试生产中出现的质量问题，并利用ABAQUS有限元对53D斜连杆进行了裂解启裂模拟，依据模拟结果提出了提高斜连杆裂解质量、优化斜连杆裂解工艺参数的合理建议。

主题词：斜连杆 裂解工艺 数值模拟

Analysis of Fracture Splitting Technology for Oblique

Connecting Rod

Zhao Yong ,Yang Shenhua, Kou Shuqing, Zhang Zhiqiang

（Jilin University）

【Abstract】Fracture splitting technology of oblique connecting rod for diesel engine was introduced in this paper. This paper studied the influence of big-sized oblique connecting rods on post-forging cooling control and cracks spreading of fracture splitting connecting rod, the influence of asymmetry structure on starting crack, and the quality problems in fracture splitting tests and small-scale production were analyzed, then the starting crack of fracture splitting for oblique connecting rod 53D were simulated by using FEM ABAQUS. Finally the rational proposals are put forward to optimize the fracture splitting process parameters of oblique connecting rod and improve the quality of fracture splitting of the oblique connecting rod.

Key Words: Oblique Connecting Rod, Fracture Splitting Technology, Numerical Simulation

《汽车技术》杂志2009年第8期摘要

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