内燃机学报
內燃機學報
내연궤학보
TRANSACTIONS OF CSICE
2002年
2期
137-140
,共4页
数值模拟%充气效率%进气系统%柴油机
數值模擬%充氣效率%進氣繫統%柴油機
수치모의%충기효솔%진기계통%시유궤
Numerical simulation%Volumetric efficiency%Intake system%Diesel engine
采用一种全新的数值模拟方法--时空守恒元和解元(CE/SE)方法对某六缸柴油机的充气过程进行模拟计算,分析了进气系统结构参数对充量系数的影响,提出了进气系统设计的基本思路.模拟计算和试验结果表明,进气歧管的结构参数对内燃机的性能影响很大.在进行进气系统设计时,重点应放在进气歧管结构参数的优选上.
採用一種全新的數值模擬方法--時空守恆元和解元(CE/SE)方法對某六缸柴油機的充氣過程進行模擬計算,分析瞭進氣繫統結構參數對充量繫數的影響,提齣瞭進氣繫統設計的基本思路.模擬計算和試驗結果錶明,進氣歧管的結構參數對內燃機的性能影響很大.在進行進氣繫統設計時,重點應放在進氣歧管結構參數的優選上.
채용일충전신적수치모의방법--시공수항원화해원(CE/SE)방법대모륙항시유궤적충기과정진행모의계산,분석료진기계통결구삼수대충량계수적영향,제출료진기계통설계적기본사로.모의계산화시험결과표명,진기기관적결구삼수대내연궤적성능영향흔대.재진행진기계통설계시,중점응방재진기기관결구삼수적우선상.
The gas exchange process of a 6-cylinder diesel engine is simulated by a novel Space-Time Conservation Element & Solution Element (CE-SE) method.The effects of intake system dimensions on volumetric efficiency are analyzed.The basic guidelines are proposed to the design of structural parameters of intake system.The engine volumetric efficiency is dominated by the runner dimensions.High engine performance can only by achieved by optimizing the runner dimensions.
