Harmonic analysis of the torque of the YAMZ-5340 engine
https://doi.org/10.25206/1813-8225-2024-191-39-47
EDN: EPGKGM
Abstract
The purpose of the study is to find a technique and conduct on its basis a harmonic analysis of the torque of an internal combustion engine for the subsequent determination of resonant vibrations of the crankshaft. The method of calculating the harmonics of the engine torque is given on the example of a YaMZ-5340 diesel engine with a power of 100 kW at a crankshaft rotation speed of 2300 min-1. Based on the results of thermal and dynamic calculation of the YaMZ-5340 engine, a graph of changes in its torque is constructed and harmonics of the first and second orders are calculated. The frequencies of natural and forced vibrations of the crankshaft and its resonant critical rotation frequency are determined. The number of the torque harmonic has been determined, which, according to the frequency of forced vibrations, coincides with the frequency of natural vibrations and causes resonance. The results of the study can be applied in the design and fine-tuning of engines in order to calculate and reduce torsional vibrations.
About the Authors
Yu. P. Makushev
Siberian State Automobile and Highway University
Russian Federation
Russian Federation
Makushev Yuri Petrovich - Candidate of Technical Sciences, Associate Professor, Associate Professor of Automation and Power Engineering Department, SibADI. SPIN-code: 4777-2831. AuthorID (RSCI): 650763. AuthorID (SCOPUS): 57210975800.
Omsk
T. A. Polyakova
Siberian State Automobile and Highway University
Russian Federation
Russian Federation
Polyakova Tatiana Anatolyevna - Candidate of Pedagogical Sciences, Associate Professor, Associate Professor of Physics and Mathematics Department, SibADI, Omsk; Associate Professor of Applied Mathematics and Fundamental Informatics Department, Omsk State Technical University, PIN-code: 4090-8339. AuthorID (RSCI): 652910. AuthorID (SCOPUS): 57287283100.
Omsk
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Review
For citations:
Makushev Yu.P., Polyakova T.A. Harmonic analysis of the torque of the YAMZ-5340 engine. Omsk Scientific Bulletin. 2024;(3):39-47. (In Russ.) https://doi.org/10.25206/1813-8225-2024-191-39-47. EDN: EPGKGM
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