1、外文标题: A Two-dimensional Intake Manifold Flow Simulation 外文作者: Peter Li 文献出处 : Mathematical Modelling , 1987 , 8 (6) :437-442 英文 3089 单词, 16963 字符,中文 4508 汉字。 此文档是外文翻译成品,无需调整复杂的格式哦!下载之后
2、直接可用,方便快捷!只需二十多元。 原文: A Two-dimensional Intake Manifold Flow Simulation Peter Li Scientific Research Laboratory, Ford Motor Company 20000 Rotunda, Dearborn, Michigan 48121 ABSTRACT A computer flow model of an intake manifold of a four cylinder engine has been developed using a computational fl
3、uid dynamic code. This code is based on the Conchas -Spray code developed at the Los Alamos National Laboratory. The flow inside the intake manifold is assumed to be two-dimensional, unsteady, compressible, and turbulent. A simple subgrid scale (SGS) turbulenc e model and hypothetical boundary condi
4、tions are employed, in the simulation. Atmospheric pressure is specified at the inlet and the velocities are specified at the outlets of the manifold, together with the law of that wall at all the wall boundaries. Numerical results of the simulation are presented in the form of velocity, pressure, d
5、ensity, and temperature fields. The model is designed in such a way that different manifold geometries may be simulated with ease. A simulation of a concept manifold "the loop-manifold" is also presented. Keywords: Computational Fluid Dynamics; Intake Manifold; Flow stimulacion; Engine ind
6、uction; Turbulence flow. INTRODUCTION The Performance of an internal combustion engine, be it power, fuel economy or emissions, is strongly influenced by the combustion of the air and fuel inside an engine cylinder. This combustion process is strongly affected by the in-cylinder 'support f
7、low1 that results from the transport of the air and fuel through the induction system. The understanding of the effect of the induction geometry on the support flow is therefore essential for internal combustion engine development. The Cask of describing and understanding the fluid flows inside the comple