Hypersonic Drop-Tests of a Sphere: CFD Comparison to Experimental Results
Paper
Choudhury, R., Doig, G., Neely, A. and Barber, T.. 2010. "Hypersonic Drop-Tests of a Sphere: CFD Comparison to Experimental Results." 17th Australasian Fluid Mechanics Conference (AFMC 2010). Auckland, New Zealand 05 - 09 Dec 2010 New Zealand. pp. 465-468
| Paper/Presentation Title | Hypersonic Drop-Tests of a Sphere: CFD Comparison to Experimental Results |
|---|---|
| Presentation Type | Paper |
| Authors | Choudhury, R., Doig, G., Neely, A. and Barber, T. |
| Journal or Proceedings Title | Proceedings of the 17th Australasian Fluid Mechanics Conference (AFMC 2010) |
| Journal Citation | pp. 465 - 468 |
| Page Range | 465-468 |
| Number of Pages | 4 |
| Year | 2010 |
| Place of Publication | New Zealand |
| ISBN | 9781617829130 |
| Conference/Event | 17th Australasian Fluid Mechanics Conference (AFMC 2010) |
| Event Details | 17th Australasian Fluid Mechanics Conference (AFMC 2010) Parent Australasian Fluid Mechanics Conference Delivery In person Event Date 05 to end of 09 Dec 2010 Event Location Auckland, New Zealand |
| Abstract | Drop tests were performed in the T-ADFA Shock Tunnel in Canberra to determine the aerodynamic coefficients of a 37.5mm diameter polystyrene sphere experiencing short-duration (approx. 1 millisecond) Mach 10 flow. The aerodynamic forces acting on the sphere were determined from a trajectory analysis based on high-speed schlieren video footage. In order to gain a clearer understanding of the flow-field generated around the models during the tests, transient, moving-mesh computational fluid dynamics (CFD) has been used to perform simulations which approximate the conditions experienced in the shock tunnel as closely as possible. For the assumption of steady free-stream conditions the simulations predicted a sphere displacement of 13mm during the nominal 1ms of test time. The numerical displacement predictions were in good agreement with those obtained from the experiment. |
| Keywords | Aerodynamics; Computational fluid dynamics; Computer simulation; Drops; Polystyrenes |
| Public Notes | There are no files associated with this item. |
| Byline Affiliations | University of New South Wales |
| Library Services |
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