ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
A three-dimensional, incompressible boundary-layer flow is investigated theoretically with respect to primary and secondary instability. These investigations accompany a basic transition experiment, which is being performed at the DLR in Göttingen [B. Müller, in Laminar-Turbulent Transition, edited by D. Arnal and R. Michel (Springer-Verlag, Berlin, 1990), p. 489]. Primary stationary and secondary nonstationary disturbances are used to model the mean flow and the fluctuations of a measured (quasi-) saturation state. The analysis is based on a Falkner–Skan–Cooke approximation of the undisturbed flow. Good agreement of the secondary stability model with this experiment is obtained, especially concerning the spatial distribution of the rms fluctuation. A striking change of the vortex pattern due to secondary instability has not been observed.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.858218
