Pascal Bauer
Equations of state implementation for 1-D modelling of performance in ram accelerator thermally choked propulsion mode
Bauer, Pascal; Bengherbia, Tarek; Knowlen, Carl; Bruckner, Adam; Yao, Yufeng; Giraud, Marc
Authors
Tarek Bengherbia
Carl Knowlen
Adam Bruckner
Yufeng Yao Yufeng.Yao@uwe.ac.uk
Professor in Aerospace Engineering
Marc Giraud
Abstract
© 2015 Inderscience Enterprises Ltd. This paper presents advancement on one-dimensional (1-D) unsteady modelling of a ram accelerator (RAMAC) in the sub-detonative velocity regime by including real-gas equations of state (EoS) in order to account for the compressibility effects of the combustion products. Several equations of state based on generalised empirical and theoretical considerations are incorporated into a 1-D computer code TARAM. The objective of this work is to provide the best available formulations in order to improve the unsteady 1-D model and make the TARAM code a useful tool to predict the performance of the RAMAC in the sub-detonative velocity regime, without having to resort to more complicated 2-D or 3-D computational schemes. The calculations are validated against experimental data from 38-mm and 90-mm-bore facilities and good agreements have been achieved. Yet, the results demonstrate the need for further CFD studies involving the scale effect.
Journal Article Type | Article |
---|---|
Publication Date | Jan 1, 2015 |
Deposit Date | Apr 15, 2015 |
Publicly Available Date | Feb 9, 2016 |
Journal | International Journal of Engineering Systems Modelling and Simulation |
Print ISSN | 1755-9758 |
Electronic ISSN | 1755-9766 |
Publisher | Inderscience |
Peer Reviewed | Peer Reviewed |
Volume | 7 |
Issue | 2 |
Pages | 71-79 |
DOI | https://doi.org/10.1504/IJESMS.2015.068650 |
Keywords | state implementation, 1-D modelling, ram accelerator, propulsion mode |
Public URL | https://uwe-repository.worktribe.com/output/836223 |
Publisher URL | http://dx.doi.org/10.1504/IJESMS.2015.068650 |
Contract Date | Feb 9, 2016 |
Files
Corrected_Mar_13 RAMAC paper.pdf
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