Degenerating Orr-Sommerfeld eigenmodes and development of three-dimensional perturbations
Degeneracies of temporally damped Orr-Sommerfeld eigenmodes are studied primarily for plane Poiseuille flow. The discrete spectrum of the eigenmodes is shown to possess infinitely many degeneracies, each appearing at a certain combination of k (the modulus of resultant wavenumber) and α R (the strea...
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| Format: | Doctoral Thesis |
| Language: | English |
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Luleå tekniska universitet
1990
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| Online Access: | http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-16792 |