Gopinath, R and Subramanian, NR (1968) Asymptotic theory of the blunted wedge at hypersonic speeds. Technical Report. National Aeronautical Laboratory, Bangalore, India.
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Abstract
An attempt has been made to treat the direct problem of the blunted slender wedge at hypersonic speeds by the method of matched asymptotic expansions. Although the formulation of the problem is such as to be valid for any Mach number, only the case of the infinite Mach number for a varying x2022;/x2022; has been studied. The asymptotic shock wave shape corresponds to the sharp wedge solution and the first correction to the shock shape which happens to be an 'eigen solution' has been obtained in the presence of blunting. The perturbation to the shock shape is oscillatory in nature and as such is markedly different from the blunted flat plate and the cylinder. Also, the case of the vanishing angle of the wedge is 'Singular' in that it cannot be reduced to that of the blunted plate or cylinder.
| Item Type: | Monograph (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Hypersonic speeds;Asymptotic expansions;Mach number;Eigen solution;Blunted flat |
| Subjects: | AERONAUTICS > Aerodynamics |
| Depositing User: | M/S ICAST NAL |
| Date Deposited: | 19 Dec 2006 |
| Last Modified: | 24 May 2010 04:24 |
| URI: | http://nal-ir.nal.res.in/id/eprint/3703 |
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