Experiment results were compared with computation analysis results for torsional vibration on a crankshaft system with/without a torsional viscous damper on a six-cylinder in-line type turbocharged diesel engine and a V type ten-cylinder naturally-aspirated diesel engine respectively. At first, the boundary conditions for boundary element method (BEM) model were determined to estimate the torsional stiffness of the crank-throws of the crankshafts. Then, the estimated stiffness was used to calculate the natural frequencies of the torsional vibration without the damper by dynamic stiffness matrix method. As a result, the calculated natural frequencies approximately agreed with the measured ones. Finally, the torsional vibration with the damper was analyzed by using the dynamic stiffness matrix method and complex viscous damping coefficients for the damper. The calculated torsional amplitudes and resonant engine speeds agreed with the experiment results.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Experiment and Computation Analyses for Torsional Vibration of Crankshaft System with Viscous Torsional Damper on Diesel Engine


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Noise & Vibration Conference & Exposition ; 1999



    Publication date :

    1999-05-17




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





    Dilatant-Fluid Torsional Vibration Damper for a Four-Stroke Diesel Engine Crankshaft

    Kozytskyi Sergiy / Kiriian Sergii | DOAJ | 2023

    Free access

    The Viscous Torsional Vibration Damper

    O'CONNOR, BERNARD E. | SAE Technical Papers | 1947


    Analysis of Diesel Engine Crankshaft Torsional Vibrations

    Shusto, L. M. / Johnston, P. R. | SAE Technical Papers | 1987


    The influence of crankshaft torsional vibration on engine noise in diesel engines

    Yu-sheng,H. / Yan-fu,Y. | Automotive engineering | 1983