Abstract
The steady-state aerodynamic characteristics of power law shaped leading edges immersed in high-speed rarefied air flow are examined by using a Direct Simulation Monte Carlo method. The work is motivated by interest in investigating power-law shaped leading edges as possible candidates for blunting geometries of hypersonic configurations. The aerodynamic performance of power law shapes is compared to a corresponding round leading edge shape based on equivalent shock standoff distance. For the flow conditions considered, the analysis shows that round leading edges provide smaller stagnation point heating and smaller drag than power law shapes for equivalent shock standoff distance.
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References
W.H. Mason, J. Lee: J. of Spacecraft and Rockets 31, 378 (1994)
W.F.N. Santos, M.J. Lewis: J. of Spacecraft and Rockets 39, 917 (2002)
W.F.N. Santos, M.J. Lewis: ‘Angle of Attack Effect on Rarefied Hypersonic Flow over Power Law Shaped Leading Edges’. In: 23rd International Symposium on Rarefied Gas Dynamics, Whistler, BC, Canada, July 20–25, 2002
G.A. Bird: Molecular Gas Dynamics and the Direct Simulation of Gas Flows, 2nd edn. (Oxford University Press, Oxford, England, UK, 1994)
G.A. Bird: ‘Monte Carlo Simulation in an Engineering Context’. In: Progress in Astronautics and Aeronautics: Rarefied Gas Dynamics, ed. by Sam S. Fisher (AIAA, New York 1988) vol. 74, pp.239–255
C. Borgnakke, P.S. Larsen: J. of Computational Physics 18, 405 (1975)
W.F.N. Santos, M.J. Lewis: ‘Aerodynamic Heating Performance of Power Law Leading Edges in Rarefied Hypersonic Flow’. In: 36th AIAA Thermophysics Conference, AIAA paper 2003-3894, Orlando, FL, June 23–26, 2003
W.F.N. Santos: Direct Simulation Monte Carlo of Rarefied Hypersonic Flow on Power Law Shaped Leading Edges. PhD Thesis, University of Maryland, College Park, MD, (2001)
W.F.N. Santos: ‘Shock Wave Shapes on Power Law Leading Edges’. In: 24th International Symposium on Shock Waves, Beijing, China, July 11-17, 2004
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© 2005 Tsinghua University Press and Springer-Verlag Berlin Heidelberg
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Santos, W.F.N. (2005). Power law shapes for leading-edge blunting with minimal standoff distance in low-density hypersonic flow. In: Jiang, Z. (eds) Shock Waves. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-27009-6_26
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DOI: https://doi.org/10.1007/978-3-540-27009-6_26
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Online ISBN: 978-3-540-27009-6
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