Numerical Simulation of a Ludwieg-tube Fuel Delivery System for Scramjet Experiments in Shock Tunnels

Gangurde, Dhananjay Y., Mee, David J. and Jacobs, Peter A. (2007). Numerical Simulation of a Ludwieg-tube Fuel Delivery System for Scramjet Experiments in Shock Tunnels. In: Peter Jacobs, Tim McIntyre, Matthew Cleary, David Buttsworth, David Mee, Rose Clements, Richard Morgan and Charles Lemckert, 16th Australasian Fluid Mechanics Conference (AFMC). 16th Australasian Fluid Mechanics Conference (AFMC), Gold Coast, Queensland, Australia, (645-649). 2-7 December 2007.

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Author Gangurde, Dhananjay Y.
Mee, David J.
Jacobs, Peter A.
Title of paper Numerical Simulation of a Ludwieg-tube Fuel Delivery System for Scramjet Experiments in Shock Tunnels
Conference name 16th Australasian Fluid Mechanics Conference (AFMC)
Conference location Gold Coast, Queensland, Australia
Conference dates 2-7 December 2007
Convener School of Engineering, University of Queensland
Proceedings title 16th Australasian Fluid Mechanics Conference (AFMC)
Journal name Proceedings of the 16th Australasian Fluid Mechanics Conference, 16AFMC
Place of Publication Brisbane, Australia
Publisher School of Engineering, The University of Queensland
Publication Year 2007
Year available 2007
Sub-type Fully published paper
Open Access Status File (Author Post-print)
ISBN 978-1-864998-94-8
Editor Peter Jacobs
Tim McIntyre
Matthew Cleary
David Buttsworth
David Mee
Rose Clements
Richard Morgan
Charles Lemckert
Volume 1
Start page 645
End page 649
Total pages 5
Language eng
Abstract/Summary The T4 shock tunnel at The University of Queensland is regularly used to perform supersonic combustion experiments. The fuel for the test model is supplied using a Ludwieg-tube delivery system. A combination of theoretical modelling and calibration tests is used to determine the mass flow-rate of fuel for given Ludwieg tube initials conditions and the measured pressure in the plenum chamber that supplies the fuel to the model. The theoretical model used in the calibration procedure is presented. The goal of this project is to check the suitability of the modelling assumptions by simulating the complete Ludwieg-tube system using the one-dimensional Lagrangian computer code, L1d. Simulation of the fuel delivery system is done separately for viscous and inviscid flow with conditions replicating those used in supersonic combustion tests in T4. The steady plenum pressures from the simulations of inviscid and viscous flow are, on average, within ±7% and ±4%, respectively, of the values measured experimentally. Further, the fuel mass flow-rates obtained from viscous simulations are, on average, within ±13% of the experimental values.
Subjects 290000 Engineering and Technology
290299 Aerospace Engineering not elsewhere classified
780102 Physical sciences
Keyword T4 shock tunnel
supersonic combustion
mass flow-rate
plenum chamber
Q-Index Code E1

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Created: Wed, 19 Dec 2007, 22:09:36 EST by Thelma Whitbourne on behalf of School of Engineering