湖南大学学报（自然科学版）2016，Vol.43Issue(8)：1-7,7.
电控旁通阀涡轮增压器匹配计算研究
Matching Simulation of an Electronically Controlled Waste Valve Turbocharger
摘要
Abstract
A simulation model of turbocharged gasoline engine with electronically controlled waste valve system was built with the software of GT-power.Based on the condition of boost pressure changing with the waste valve opening,characteristic values of the control system were obtained.According to the change rules of exhaust back pressure under different boost pressures,the waste valve opening was cali-brated on the basis of the requirements of power performance of the engine,the matching performance be-tween the turbocharger and the gasoline engine was analyzed,and then,test verification was conducted. The results have shown that matching a small diameter turbine can ensure the engine performance at low speed condition;the electronically controlled system can realize the continuous control of boost pressure target value;and the problems of deflagration and turbocharger super speed caused by too high boost pres-sures can be resolved at high speed conditions.关键词
汽油机/涡轮增压器/电控旁通阀/匹配/数值仿真Key words
gasoline engine/turbochargers/electronically controlled waste valve/matching/numerical simulation分类
能源科技引用本文复制引用
龚金科,陈长友,胡辽平,杨迪,刘冠麟..电控旁通阀涡轮增压器匹配计算研究[J].湖南大学学报（自然科学版）,2016,43(8):1-7,7.基金项目
国家自然科学基金资助项目（51276056），National Natural Science Foundation of China（51276056）；湖南省科技重大专项项目（2014FJ1013）；湖南大学汽车车身先进设计制造国家重点实验室自主课题资助项目 （）
