Research on torsional vibration reduction of crankshaft in off-road diesel engine by simulation and experiment

Formerly, torsional vibration of crankshaft in off-highway diesel engine (agricultural machinery) were given little attention at their developmental stages, however with increasing agricultural activities, numerous torsional vibration problems have been noted to occur in agricultural machinery, espe...

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Main Authors: Liming Sun, Fuqiang Luo, Tansu Shang, Hongtao Chen, Adams Moro
Format: Article
Language:English
Published: JVE International 2018-02-01
Series:Journal of Vibroengineering
Subjects:
Online Access:https://www.jvejournals.com/article/18318
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spelling doaj-1f658efad1dd418e9cd8735950e9d29e2020-11-24T23:14:16ZengJVE InternationalJournal of Vibroengineering1392-87162538-84602018-02-0120134535710.21595/jve.2017.1831818318Research on torsional vibration reduction of crankshaft in off-road diesel engine by simulation and experimentLiming Sun0Fuqiang Luo1Tansu Shang2Hongtao Chen3Adams Moro4School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, ChinaSchool of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, ChinaLuoyang Tractor Research Institute Co., Ltd., Luoyang, ChinaLuoyang Tractor Research Institute Co., Ltd., Luoyang, ChinaSchool of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, ChinaFormerly, torsional vibration of crankshaft in off-highway diesel engine (agricultural machinery) were given little attention at their developmental stages, however with increasing agricultural activities, numerous torsional vibration problems have been noted to occur in agricultural machinery, especially in their diesel engines. This results in engine vibration, crankshaft failure and undesirable engine noise. In this paper, a six-cylinder four-stroke inline diesel engine’s crankshaft model was developed using AVL Excite Designer. After experimentally validating the model, it was used to numerically determine the torsional vibrations of a crankshaft. For the reduction of torsional vibration, two methods of crankshaft improvements were proposed based on simulation results. The first method, is to decrease the inertia of the crank pulley while the second, involves the replacement of the crank pulley with a torsional vibration damper. To ensure minimal engine alterations and cost effectiveness, the second improvement method was adopted for improving torsional vibration. Afterwards, engine radiating noise and surface vibration measurements were conducted to ensure that the required limits were achieved by the improved engine. The simulation, experiment and the improvement process of the crankshaft torsional vibration are documented further in this research. These improvements have applicable values in the developmental or quality enhancement stage of diesel engines used in agricultural machinery.https://www.jvejournals.com/article/18318torsional vibrationsdiesel engineharmonic analysisexplosive combustion pressure
collection DOAJ
language English
format Article
sources DOAJ
author Liming Sun
Fuqiang Luo
Tansu Shang
Hongtao Chen
Adams Moro
spellingShingle Liming Sun
Fuqiang Luo
Tansu Shang
Hongtao Chen
Adams Moro
Research on torsional vibration reduction of crankshaft in off-road diesel engine by simulation and experiment
Journal of Vibroengineering
torsional vibrations
diesel engine
harmonic analysis
explosive combustion pressure
author_facet Liming Sun
Fuqiang Luo
Tansu Shang
Hongtao Chen
Adams Moro
author_sort Liming Sun
title Research on torsional vibration reduction of crankshaft in off-road diesel engine by simulation and experiment
title_short Research on torsional vibration reduction of crankshaft in off-road diesel engine by simulation and experiment
title_full Research on torsional vibration reduction of crankshaft in off-road diesel engine by simulation and experiment
title_fullStr Research on torsional vibration reduction of crankshaft in off-road diesel engine by simulation and experiment
title_full_unstemmed Research on torsional vibration reduction of crankshaft in off-road diesel engine by simulation and experiment
title_sort research on torsional vibration reduction of crankshaft in off-road diesel engine by simulation and experiment
publisher JVE International
series Journal of Vibroengineering
issn 1392-8716
2538-8460
publishDate 2018-02-01
description Formerly, torsional vibration of crankshaft in off-highway diesel engine (agricultural machinery) were given little attention at their developmental stages, however with increasing agricultural activities, numerous torsional vibration problems have been noted to occur in agricultural machinery, especially in their diesel engines. This results in engine vibration, crankshaft failure and undesirable engine noise. In this paper, a six-cylinder four-stroke inline diesel engine’s crankshaft model was developed using AVL Excite Designer. After experimentally validating the model, it was used to numerically determine the torsional vibrations of a crankshaft. For the reduction of torsional vibration, two methods of crankshaft improvements were proposed based on simulation results. The first method, is to decrease the inertia of the crank pulley while the second, involves the replacement of the crank pulley with a torsional vibration damper. To ensure minimal engine alterations and cost effectiveness, the second improvement method was adopted for improving torsional vibration. Afterwards, engine radiating noise and surface vibration measurements were conducted to ensure that the required limits were achieved by the improved engine. The simulation, experiment and the improvement process of the crankshaft torsional vibration are documented further in this research. These improvements have applicable values in the developmental or quality enhancement stage of diesel engines used in agricultural machinery.
topic torsional vibrations
diesel engine
harmonic analysis
explosive combustion pressure
url https://www.jvejournals.com/article/18318
work_keys_str_mv AT limingsun researchontorsionalvibrationreductionofcrankshaftinoffroaddieselenginebysimulationandexperiment
AT fuqiangluo researchontorsionalvibrationreductionofcrankshaftinoffroaddieselenginebysimulationandexperiment
AT tansushang researchontorsionalvibrationreductionofcrankshaftinoffroaddieselenginebysimulationandexperiment
AT hongtaochen researchontorsionalvibrationreductionofcrankshaftinoffroaddieselenginebysimulationandexperiment
AT adamsmoro researchontorsionalvibrationreductionofcrankshaftinoffroaddieselenginebysimulationandexperiment
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