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Virtual design and performance prediction of a silencing air cleaner used in an *** intake system

Virtual design and performance prediction of a silencing air cleaner used in an *** intake system

作     者:郝志勇 贾维新 方芳 

作者机构:College of Mechanical and Energy Engineering Zhejiang University Hangzhou 310027China Tianjin Internal Combustion Engine Research Institute Tianjin University Tianjin 300072China 

基  金:ProjectsupportedbythePh.DProgramsFoundationofMinistryofEducation China 

出 版 物:《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 (浙江大学学报(英文版)A辑(应用物理与工程))

年 卷 期:2005年第6卷第10期

页      码:1107-1114页

摘      要:This paper reports results of the authors’ studies on the virtual design method used in the development of low noise intake system of I.C. engine. The resulting high pass-by noise at level above the legislative target at full throttle when engine speed was around 5200 r/min necessitated a BEM-aided redesign task, following the typical process of design and development of an intake system. During the initial design, based on the acoustic theory and the requirements (1. The air flux of the redesigned should equal to or exceed the value of the original flux; 2. The filtering area must not be degraded), and considering the constraint of space in the engine compartment, total volume and rough internal dimensions were determined. During the detailed design, the exact internal dimensions of the air cleaner were determined, and an effective method was applied to improve the acoustic performance at low frequency. The predicted sound power of the intake system indicated that the objective of reducing the overall engine noise by minimizing intake system noise was achieved.

主 题 词:Virtual design Acoustic performance Silencing air cleaner Boundary element method (BEM) 

学科分类:12[管理学] 083002[083002] 1204[管理学-公共管理类] 120402[120402] 0830[工学-生物工程类] 08[工学] 0837[0837] 

核心收录:

D O I:10.1007/BF02842234

馆 藏 号:203103951...

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