Multi-body numerical simulation of the distribution drive system in an internal combustion engine

Risultato della ricerca: Articlepeer review

Abstract

The purpose of the present work is the development of a methodology to study the dynamic behavior of the drive distributionsystem, based on the techniques of multi-body numerical simulation using AVL/Tycon code. Chain drive systems with bothsingle cam shaft (SOHC) and double cam shaft (DOHC) are studied to investigate how the dynamic behavior varies with theengine working rate. The analysis includes evidence that the chain transmissions introduce a high frequency due to kinematicengagement (polygon effect), with a very low amplitude with regard to the harmonics of external forces. The methodology permitsthe evaluation of the loads on the drive shaft, on the distribution shafts, and loads acting on the engine structure through thesupports and constraint points. It represents an important forecasting tool; moreover, it also permits the detailed calculation ofthe friction lost in the interaction between the chain components.
Lingua originaleEnglish
pagine (da-a)1-13
Numero di pagine13
RivistaMECCA
Stato di pubblicazionePublished - 2008

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