Computational flow modelling of the T4 free-piston driven reflected shock tunnel

Paper


Sopek, Tamara, Zander, Fabian, Chan, Wilson Y.K. and Jacobs, Peter A.. 2022. "Computational flow modelling of the T4 free-piston driven reflected shock tunnel." 23rd Australasian Fluid Mechanics Conference (AFMC2022). Sydney, Australia 04 - 08 Dec 2022 Australia. University of Sydney.
Paper/Presentation Title

Computational flow modelling of the T4 free-piston
driven reflected shock tunnel

Presentation TypePaper
AuthorsSopek, Tamara, Zander, Fabian, Chan, Wilson Y.K. and Jacobs, Peter A.
Journal or Proceedings TitleProceedings of the 23rd Australasian Fluid Mechanics Conference (23AFMC)
Number of Pages8
Year2022
PublisherUniversity of Sydney
Place of PublicationAustralia
Web Address (URL) of Paperhttps://www.afms.org.au/proceedings/23/Sopek_et_al_2022.pdf
Web Address (URL) of Conference Proceedingshttps://www.afms.org.au/proceedings/23.html
Conference/Event23rd Australasian Fluid Mechanics Conference (AFMC2022)
Event Details
23rd Australasian Fluid Mechanics Conference (AFMC2022)
Parent
Australasian Fluid Mechanics Conference
Delivery
In person
Event Date
04 to end of 08 Dec 2022
Event Location
Sydney, Australia
Event Venue
University of Sydney
Event Web Address (URL)
Abstract

Free-piston driven shock tunnels, such as the T4 tunnel that is the focus of this study, are a class of impulse facilities able to cover a wide range of flight Mach numbers, which have been used for decades to study hypervelocity flows at true total enthalpies and flow speeds. Their test gas is generated in a succession of flow processes involving complex and unsteady wave processes which are modified by viscous and high-temperature gas effects. A complete transient and spatial characterisation of the test gas properties is crucial for accurate interpretation of the experimental data obtained. However, experimental characterisation of these highly energetic shock tunnel flows is arduous and typically only limited measurements are performed. Routine experimental data analysis is generally based on quasi-steady state calculations coupled with basic pressure measurements to deduce test gas properties. This simplified methodology introduces unquantified errors between these estimated and actual test gas properties, and thus propagated errors in experimental data analysis. The present paper outlines the use of transient one-dimensional and axisymmetric numerical models for the full facility flow reconstruction to obtain more accurate test gas properties. The quasi-one-dimensional model is used to calculate the transient flow history in the driver tube, and serves as an inflow to the axisymmetric calculations of the downstream region. These simulations are validated through comparison with experimental data obtained from the T4 facility. The comparison shows that the shock speeds for two out of three locations were simulated with sufficient accuracy leading to the conclusion that the numerical modelling is adequately capturing relevant fluid processes for most of the shock tube length. The present work is the initial part of a planned investigation of a full facility flow reconstruction where instead of the one-dimensional modelling of the driver section, a higher fidelity moving mesh approach will be used to capture the piston motion.

Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020400106. Hypersonic propulsion and hypersonic aerothermodynamics
Byline AffiliationsUniversity of Southern Queensland
University of Queensland
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Goozee, R. J., Jacobs, P. A. and Buttsworth, D. R.. 2006. "Simulation of a complete reflected shock tunnel showing a vortex mechanism for flow contamination." Shock Waves: an international journal on shock waves, detonations and explosions. 15 (3-4), pp. 165-176. https://doi.org/10.1007/s00193-006-0015-4
The generation and measurement of high temperature radiating flows in a high enthalpy pulsed facility
McIntyre, Timothy J., Eichmann, Troy N., Mallon, Michael, Potter, Daniel, Brandis, Aaron, Jacobs, Carolyn, Morgan, Richard, Jacobs, Peter and Buttsworth, David R.. 2009. "The generation and measurement of high temperature radiating flows in a high enthalpy pulsed facility ." Lacoste, H. and Ouwehand, L. (ed.) 3rd International Workshop on Radiation of High Temperature Gases in Atmospheric Entry. Heraklion, Greece 30 Sep - 03 Oct 2008 Noordwijk, Netherlands.
Impulse facilities for the simulation of hypersonic radiating flows
Morgan, R. G., McIntyre, T. J., Buttsworth, D. R., Jacobs, P. A., Potter, D. F., Brandis, A. M., Gollan, R. J., Jacobs, C. M., Capra, B. R., McGilvray, M. and Eichmann, T. N.. 2008. "Impulse facilities for the simulation of hypersonic radiating flows ." 38th AIAA Fluid Dynamics Conference and Exhibit (AIAA 2008). Seattle, United States 23 - 26 Jun 2008 Reston, VA. United States.
Expansion tunnel radiation experiments to support Hayabusa re-entry observations
Buttsworth, David, D'Souza, Mary, Potter, Daniel, Eichmann, Troy, Mudford, Neil, McGilvray, Matthew, McIntyre, Timothy J., Jacobs, Peter and Morgan, Richard. 2010. "Expansion tunnel radiation experiments to support Hayabusa re-entry observations." 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition (AIAA 2010). Orlando, United States 04 - 07 Jan 2010 Reston, VA, United States.
Super-orbital re-entry in Australia: laboratory measurement, simulation and flight observation [Keynote lecture]
Buttsworth, David, Jacobs, Peter, Potter, Daniel, Mudford, Neil, D'Souza, Mary, Eichmann, Troy, Jenniskens, Peter, McIntyre, Tim, Jokic, Michael, Jacobs, Carolyn, Upcroft, Ben, Khan, Razmi, Porat, Hadas, Neely, Andrew and Lohle, Stefan. 2012. "Super-orbital re-entry in Australia: laboratory measurement, simulation and flight observation [Keynote lecture]." Kontis, Konstantinos (ed.) 28th International Symposium on Shock Waves (ISSW 28). Manchester, United Kingdom 17 - 22 Jul 2011 Heidelberg, Germany. https://doi.org/10.1007/978-3-642-25688-2_5
Premature ignition in scramjets with intake injection: a preliminary laminar mixing layer simulation
Buttsworth, David R. and Jacobs, Peter A.. 2009. "Premature ignition in scramjets with intake injection: a preliminary laminar mixing layer simulation." Klimenko, Alexander Y., Cleary, Matthew J., Feng, Bo, Rudolph, Victor, Boyce, Russell R., Wandel, Andrew P. and Clements, Rose (ed.) Australian Combustion Symposium (ACS 2009). Brisbane, Australia 02 - 04 Dec 2009 Brisbane, Australia.
Impulse facility simulation of hypervelocity radiating flows
Morgan, R. G., McIntyre, T. J., Jacobs, P. A., Buttsworth, D. R., Macrossan, M. N., Gollan, R. J., Capra, B. R., Brandis, A. M., Potter, D., Eichmann, T., Jacobs, C. M., McGilvray, M., van Diem, D. and Scott, M. P.. 2006. "Impulse facility simulation of hypervelocity radiating flows." 2nd International Workshop on Radiation of High Temperature Gases in Atmospheric Entry. Rome, Italy 06 - 08 Sep 2006 Noordwijk, Netherlands.
Total temperature measurements in a shock tunnel facility
Buttsworth, David R. and Jacobs, Peter A.. 1998. "Total temperature measurements in a shock tunnel facility." Thompson, M. C. and Hourigan, K. (ed.) 13th Australasian Fluid Mechanics Conference (AFMC 1998). Melbourne, Australia 13 - 18 Dec 1998 Melbourne, Australia.
Simulation of Oxford University gun tunnel performance using a quasi-one-dimensional model
Buttsworth, David R., Jacobs, Peter A. and Jones, Terry V.. 2002. "Simulation of Oxford University gun tunnel performance using a quasi-one-dimensional model." Shock Waves: an international journal on shock waves, detonations and explosions. 11 (5), pp. 377-383. https://doi.org/10.1007/s001930200121