THERMAL SCIENCE

International Scientific Journal

A METHOD FOR QUICK ESTIMATION OF ENGINE MOMENT OF INERTIA BASED ON AN EXPERIMENTAL ANALYSIS OF TRANSIENT WORKING PROCESS

ABSTRACT
This paper presents an unconventional approach in a fast estimation of the overall engine inertia based on engine testing under transient condition (acceleration and deceleration) with simultaneous in cylinder working process analysis and friction losses estimation. The presented procedure is based on a single slow dynamic slope full load engine speed sweep test which, coupled with a simple lumped-mass engine dynamometer model, provides correct overall engine inertia estimation. Compared with the more conventional approaches in deriving information on engine inertia, besides its speed and accuracy, presented procedure provides more in depth information on both engine’s dynamic response and friction as a surplus.
KEYWORDS
PAPER SUBMITTED: 2017-09-15
PAPER REVISED: 2017-10-16
PAPER ACCEPTED: 2017-10-24
PUBLISHED ONLINE: 2017-11-18
DOI REFERENCE: https://doi.org/10.2298/TSCI170915224M
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2018, VOLUME 22, ISSUE Issue 3, PAGES [1215 - 1225]
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© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence