Chakrabarthy, SK and Dhanalakshmi, K and Mathur, JS (1996) Navier-Stokes Analysis of Vortex Flow Over a13; Cropped Delta Wing. Technical Report. National Aerospace Laboratories, Bangalore, India.
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Abstract
The vortex flow over a 65 deg cropped delta wing with round leading edge, at Mx=0.85 and Rex=2.38 x 10 power 6, has been analyzed for 10 deg, 20 deg, and 30 deg angles of attack. A vertex based finite volume code, JUMB03D, with an algebraic turbulence model has been used to13; solve the Reynolds Averaged Navier Stokes (RAS) equations. An H-O type grid generated by a hybrid elliptio-algebraic method has been used here, and a significant improvement of the results over an O-O type grid has been obtained. The results are compared with available experimental data. The complex physical phenomena due to interactions among the primary, secondary, and tertiary vortices, cross-flow and terminating shocks, and turbulent boundary layer, as visualized from the numerical solution are presented and discussed here.
| Item Type: | Proj.Doc/Technical Report (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Navier-stokes equations;Delta wings |
| Subjects: | ENGINEERING > Fluid Mechanics and Thermodynamics |
| Division/Department: | Computational and Theoretical Fluid Dynamics Division, Computational and Theoretical Fluid Dynamics Division, Computational and Theoretical Fluid Dynamics Division |
| Depositing User: | Smt Bhagya Rekha KA |
| Date Deposited: | 29 Jan 2008 |
| Last Modified: | 24 May 2010 09:39 |
| URI: | http://nal-ir.nal.res.in/id/eprint/967 |
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