THERMAL SCIENCE

International Scientific Journal

EXPERIMENTAL VERIFICATION OF MATHEMATICAL MODEL OF THE HEAT TRANSFER IN EXHAUST SYSTEM

ABSTRACT
A Catalyst convertor has maximal efficiency when it reaches working temperature. In a cold start phase efficiency of the catalyst is low and exhaust emissions have high level of air pollutants. The exhaust system optimization, in order to decrease time of achievement of the catalyst working temperature, caused reduction of the total vehicle emission. Implementation of mathematical models in development of exhaust systems decrease total costs and reduce time. Mathematical model has to be experimentally verified and calibrated, in order to be useful in the optimization process. Measurement installations have been developed and used for verification of the mathematical model of unsteady heat transfer in exhaust systems. Comparisons between experimental results and the mathematical model are presented in this paper. Based on obtained results, it can be concluded that there is a good agreement between the model and the experimental results.
KEYWORDS
PAPER SUBMITTED: 2011-05-17
PAPER REVISED: 2011-09-15
PAPER ACCEPTED: 2011-09-19
DOI REFERENCE: https://doi.org/10.2298/TSCI110517102P
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2011, VOLUME 15, ISSUE 4, PAGES [1035 - 1048]
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© 2019 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, 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