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Thermodynamical modelling of a stratified charge spark ignition engine

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Title: Thermodynamical modelling of a stratified charge spark ignition engine
Authors: Smith, JK
Roberts, P
Kountouriotis, A
Richardson, D
Aleiferis, P
Ruprecht, D
Item Type: Journal Article
Abstract: Combustion of a charge with spatially and temporally varying equivalence ratio in a spark ignition engine was modelled using the Leeds University Spark Ignition Engine quasi-dimensional thermodynamic code. New sub-models have been integrated into Leeds University Spark Ignition Engine that simulate the effect of burnt gas expansion and turbulent mixing on an initial equivalence ratio distribution. Realistic distribution functions were used to model the radially varying equivalence ratio. The new stratified fuel model was validated against experimental data, showing reasonable agreement for both the pressure trace and percentage heat released. Including the effect of turbulent mixing was found to be important to reproduce the trend in the differences between the stratified and homogeneous simulations.
Issue Date: 1-Jun-2020
Date of Acceptance: 31-May-2018
URI: http://hdl.handle.net/10044/1/60507
DOI: 10.1177/1468087418784845
ISSN: 1468-0874
Publisher: SAGE Publications
Start Page: 801
End Page: 810
Journal / Book Title: International Journal of Engine Research
Volume: 21
Issue: 5
Copyright Statement: © IMechE 2018. This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).
Sponsor/Funder: Jaguar Land Rover Limited
Funder's Grant Number: see further info
Keywords: Energy
0902 Automotive Engineering
0913 Mechanical Engineering
Publication Status: Published
Online Publication Date: 2018-07-06
Appears in Collections:Faculty of Engineering
Mechanical Engineering