Plasma and Flow Control in Aerodynamics

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• CEM KOLBAKIR

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• BAYRAM ÇELİK

Abstract A comprehensive study was performed to explore the thermal characteristics of NS-dielectric-barrier discharge (DBD) plasma actuation over an airfoil/wing surface and evaluate the anti-/de-icing performance of NS-DBD plasma actuators for aircraft in-flight icing mitigation. While the fundamentals of thermal en…

• CEM KOLBAKIR

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• CEM KOLBAKIR

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• CEM KOLBAKIR

This paper presents the development and performance evaluation of a compact-converter-based power supply for plasma dielectric barrier discharge (DBD) devices. The developed power supply is designed to meet weight and size requirements for applications in aeronautical systems. Multistage and multilevel switch-mode con…

• EMRE ÖZKOP

A state-space technique (SST) for the computation of electromagnetic transients on transmission lines with nonlinear components is presented. State equations for the nonlinear system are derived and these equations are converted to a set of algebraic equations using the trapezoidal rule of integration. A state-space f…

• MEHMET SALİH MAMİŞ

Solitons are localized waves formed by a balance of focusing and defocusing effects. These nonlinear waves exist in diverse forms of matter yet exhibit similar properties including stability, periodic recurrence and particle-like trajectories. One important property is soliton fission, a process by which an energetic…

Present computational study investigates formation and interaction mechanisms of shocks and boundary layer for low enthalpy Mach 7 flows of nitrogen over double wedges, which have fixed fore and various aft angles of 30° and 45°–60°, respectively. We use a density based finite-volume Navier-Stokes solver to simulate l…

• AHMET SELİM DURNA

Present computational study investigates formation and interaction mechanisms of shocks and boundary layer for low enthalpy Mach 7 flows of nitrogen over double wedges, which have fixed fore and various aft angles of 30° and 45°–60°, respectively. We use a density based finite-volume Navier-Stokes solver to simulate l…

• BAYRAM ÇELİK

The implementation of aspiration (without fans/pumps) of the working medium can significantly intensify heat transfer in low power magneto-hydrodynamic (MHD) thermal applications. To explore its effectiveness over no-aspiration condition, a classical thermal cavity with protruded-heater (centrally mounted at bottom) i…

In this study, a two-dimensional axisymmetric computational model of spark discharge in air is presented to provide a better understanding of the dynamics of the process. Better understanding of the modeling issues in spark discharge processes is an important issue for the automotive spark plug community. In this work…

• ÖZGÜR EKİCİ