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Development Of An Experimental System For Steady And Unsteady Aerodynamic Testing, Jacopo Frigerio
Development Of An Experimental System For Steady And Unsteady Aerodynamic Testing, Jacopo Frigerio
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This paper discusses the design and development of a new experimental system designed to produce a variety of steady and unsteady flows. Accelerating, decelerating and oscillating flows over lifting surfaces are primary examples of the unsteady flow configurations that can be generated. Also this report presents details of preliminary tests performed to determine the performance of this system. These include quantitative and qualitative testing on two-dimensional and three-dimensional flow configurations.
Physical And Numerical Experiments On Flat Plate Boundary Layers, Scott A. Atterberry
Physical And Numerical Experiments On Flat Plate Boundary Layers, Scott A. Atterberry
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The results of an interactive computer program developed to predict the boundary layer flow over a flat plate with suction or injection are presented. The results include the solutions for the Blasius function and its derivatives, the velocity profiles, the shear stress distribution, and the temperature distribution. The program can be used for predicting steady, two-dimensional, laminar, viscous flow fields with temperature gradients.
A wind tunnel setup that can be used in addition to the computer program is described. The setup description includes a description of the flat plate, the wind tunnel test section, and the suction/injection unit. The experimental …
A Parametric Investigation On Aeroelastic Behavior Of An Airfoil In Steady Flow, Edward J. Feltrop
A Parametric Investigation On Aeroelastic Behavior Of An Airfoil In Steady Flow, Edward J. Feltrop
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A parametric study is performed to investigate the influence of a number of aerodynamic, inertia and damping parameters upon the dynamic response of an elastically-supported rigid wing in steady flow. The dimensionless equations governing the vertical and angular motion of this wing are solved by an interactive computer program which facilitates the systematic analysis of the effects of changes in these parameters upon the dynamic response of the system. This investigation demonstrates the coupling of the vertical and angular motion of the wing, and illustrates the strong influence of damping, spring stiffness, initial spring deflection, and initial angular velocity upon …