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Unsteady Transonic Flow Over Slender Bodies, Cevdet Aydun
Unsteady Transonic Flow Over Slender Bodies, Cevdet Aydun
Mechanical & Aerospace Engineering Theses & Dissertations
The unsteady transonic small disturbance equation for an oscillating slender body is obtained from the full potential equation in cylindrical coordinates by means of a perturbation analysis. The time-dependent body-boundary condition is reduced into a simpler form by matching the outer and inner flows. Also, a time-dependent pressure coefficient over the slender body is derived by means of a matching principle. The simplified form of the body-boundary condition is incorporated into the difference equations at the body axis. This application allows use of the cylindrical coordinate system for the problem. By prescribing several different body-boundary conditions, various modes of body …