Identification and control of three dimensional separation on low swept delta wing



Development of de-icing and anti-icing solutions for aircraft on ground and analysis of their flow instability characteristics
Körpe, Durmuş Sinan; Özgen, Serkan; Department of Aerospace Engineering (2008)
In this thesis, development process of de-icing and anti-icing solutions and their flow instability characteristics are presented. In the beginning, the chemical additives in the solutions and their effects on the most critical physical properties of the solutions were investigated. Firstly, chemical additives were added to glycol and water mixtures at different weight ratios one by one in order to see their individual effects. Then, the changes in physical properties were observed when the chemicals were a...
Calibration of antenna arrays for aeronautical vehicles on ground
Elbir, Ahmet M.; Tuncer, Temel Engin (Elsevier BV, 2013-10-01)
Antenna pattern and characteristics change significantly when antenna arrays are placed on platforms like aeronautical vehicles. Calibration of antenna arrays is an important and costly process for such cases. In this paper, a method is proposed for the offline calibration of a direction finding antenna array mounted on a UH-60 helicopter. The calibration is done on an open-field test area with a flat ground plane. Ground reflections are the main sources of error corrupting the calibration data. The propose...
Development of a Wing Preliminary Structural Analysis code
Yaman, Yavuz (American Institute of Aeronautics and Astronautics (AIAA), 2002-05-01)
Tuncer, İsmail Hakkı; WANG, CM (American Institute of Aeronautics and Astronautics (AIAA), 1990-09-01)
Unsteady flowfields around airfoils oscillating in pitch and associated dynamic stall phenomena are inves-tigated. A viscous flow analysis and a simplified vortical flow analysis, both based on an integro-differentialformulation of the Navier-Stokes equations are developed and calibrated. The formulation of the viscous flowanalysis confines computations only to the viscous flow zone and leads to an efficient zonal solution procedure.In the simplified vortical flow...
Simulation of Rapidly Maneuvering Airfoils with Synthetic Jet Actuators
Jee, SolKeun; Lopez Mejia, Omar D.; Moser, Robert D.; Muse, Jonathan A.; Kutay, Ali Türker; Calise, Anthony J. (American Institute of Aeronautics and Astronautics (AIAA), 2013-08-01)
Synthetic jet actuators are investigated for rapidly maneuvering airfoils that are regulated by a closed-loop control system. To support active flow-control simulations performed here, the closed-loop system and vehicle dynamics are coupled with computational fluid dynamics. High-frequency sinusoidal pitching simulations with and without synthetic jet actuation indicate that the current synthetic jet actuators provide bidirectional change in aerodynamic forces during rapid maneuvers whose time scales are of...
Citation Formats
M. M. Yavuz, “Identification and control of three dimensional separation on low swept delta wing,” AIAA JOURNAL, pp. 2805–2811, 2006, Accessed: 00, 2020. [Online]. Available: