Parametric Study of a 7° Half-angle Cone with Highly-swept Fins at Mach 6
Başlık:
Parametric Study of a 7° Half-angle Cone with Highly-swept Fins at Mach 6
Yazar:
Turbeville, Franklin Drew, author.
ISBN:
9780438011342
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (186 pages)
Genel Not:
Source: Masters Abstracts International, Volume: 57-06M(E).
Advisors: Steven P. Schneider Committee members: Sally P. Bane; Bradley M. Wheaton.
Özet:
Boundary-layer instability and transition was measured on a 7° cone with highly-swept fins at 0° angle of attack in a Mach-6 quiet tunnel. Effects of fin sweep angle, fin bluntness, and nosetip radius were assessed. Using temperature-sensitive paint and piezoelectric fast pressure transducers, transition was measured in all configurations. Some features present under quiet flow were not seen under noisy flow. Multiple streaks of heat transfer with peaks near 5 kW/m2 were noted on the cone surface. More streaks appeared and the streaks spread as the Reynolds number increased. Power spectral density plots were calculated from the pressure transducer data displaying two possible instabilities, one at low frequency and another high frequency. Several heat-transfer streaks are also seen on the fin surface. The number of streaks appears invariant with Reynolds number. Increasing sweep, decreasing fin bluntness, and increasing nose radius delayed transition.
Notlar:
School code: 0183
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(689938.1) | 689938-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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