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Recent Submissions

Aerodynamic Performance Predictions of Martian Helicopter Co-Axial Rotor in Hover by using Unsteady CFD Simulations Küçükoğlu, Onur; Sakaoğlu, Sergen; Sezer Uzol, Nilay (2021-11-25)
Numerical Validation Study of a Helicopter Rotor in Hover by using SU2 CFD Solver Sunay, Yunus Emre; Sezer Uzol, Nilay (2021-11-25)
Numerical Simulation of Spray Characteristics of Doublet Injectors Gulmez, Senem; Kahveci, Harika Senem (2021-09-30)
Modeling the flapping motion via quasi-steady approach and controlling the longitudinal dynamics of a flapping wing mav Çalış, Özgün; Kurtuluş, Dilek Funda; ARIKAN, KUTLUK BİLGE (2021-09-10) An aerodynamic model in order to simulate and control the flapping-wing micro air vehicle based on the quasi-steady approach and blade element theory is developed to calculate the instantaneous aerodynamic forces and momen...
Modeling of the Hawkmoth Wing and its implementation in a flapping wing mechanism Ökmen, Aytek Altuga; ARIKAN, KUTLUK BİLGE; Kurtuluş, Dilek Funda (2021-09-10) Main aim of this study is to accurately model the wing of a hawkmoth (Manduca sexta) in order to implement it in a flapping wing mechanism for a micro aerial vehicle (MAV). The wing is first modeled in ANSYS/SpaceClaim the...
Generic trim analysis and simulation algorithm creation for design and optimization of the fixed wing aircraft Özdemir, Mustafa; Kurtuluş, Dilek Funda (2021-09-10) In order to design a fixed wing aircraft, certain phases are needed to perform. From these phases, trim analysis and simulation are very crucial for design process. Trim and simulation analysis enable to calculate performa...
FAST AERODYNAMIC ANALYSIS AND DESIGN OF A JET AIRCRAFT BY USING PANEL METHOD Kumser, Fatma Zülal; Öztürk, Ümran; Kıldiş, Pamir; Adam, Ali Ata; Sezer Uzol, Nilay; Ertem, Sercan; Ayan, Erdem (2021-09-10) Fast and parametrical aerodynamic analyses for design of high speed jet aircraft is important especially during the initial design phases. In this study, different wing/body configurations defined with specific geome...
AERODYNAMIC ANALYSIS OF SUPERSONIC FLOW OVER A SIMPLE AIRCRAFT GEOMETRY BY USING CST AND PANEL METHODS Uğur, Levent; Turan, Sena; Gedik, Ramazan Kürşat; Adam, Ali Ata; Sezer Uzol, Nilay; Ertem, Sercan; Ayan, Erdem (2021-09-10) In this paper, the aerodynamic properties of a selected aircraft geometry are calculated in supersonic flow condition using PANAIR. PANAIR is an open-source high-order panel method solver for irrotational and invisci...
UNSTEADY AERODYNAMICS OF CAMBERED AIRFOILS AT LOW REYNOLDS NUMBER Ahmed, Tawfiq; Kurtuluş, Dilek Funda (2021-09-10)
DETERMINATION OF WAKE SHAPES BEHIND A WIND TURBINE THROUGH CFD SIMULATIONS AND COMPARISON WITH ANALYTICAL WAKE MODELS Adam, Ali Ata; Sezer Uzol, Nilay; Uzol, Oğuz (2021-09-10) In this paper, wake shapes of wind turbine rotors are investigated by using CFD and analytical wake models. The flow around the NTNU model turbine is simulated using the Reynolds-Averaged Navier-Stokes Equations with Spala...
A Two-Level Homogenization Method for Coated Inclusion Problem in Elasticity GÜZEL, DİLEK; Gürses, Ercan (2021-09-08)
Grid Fin Aerodynamic Analysis and Parametric Design Study in Supersonic Flow Using Computational Fluid Dynamics Dinçer, Erdem; Sezer Uzol, Nilay (2021-09-08)
Numerical Investigation on Aerodynamic Roll Induction Phenomenon of Subsonic Wrap-Around Tail Finned Missiles Demirtaş, Uğurtan; Sezer Uzol, Nilay (2021-09-08)
Delayed Detached-Eddy Simulations of Transonic Cavity Noise Yalçın, Özgür; Özyörük, Yusuf (2021-08-02) In this paper, computations of transonic (M=0.85) flow over an open cavity are performed through use of a high-order solver employing different Delayed Detached-Eddy Simulation (DDES) strategies: DDES, DDES with shear-laye...
Comparison of Inviscid Flux Schemes and Turbulence Models on SU2 for Roll Induction Mechanism of Subsonic Missiles with Wrap-around Fins Demirtaş, Uğurtan; Sezer Uzol, Nilay (2021-07-14)
Estimation of attitude using robust adaptive kalman filter Candan, Batu; Söken, Halil Ersin (2021-06-23) IEEE.This paper proposes a novel covariance-scaling based robust adaptive Kalman filter (RAKF) algorithm for attitude (i.e., roll and pitch) estimation using an inertial measurement unit (IMU) composed of accelerometer and...
Measurement correction of a set of analog sun sensors via neural network Sozen, Semsettin Numan; Gokce, Murat; Yavuzyilmaz, Cagatay; Gulmammadov, Farid; Söken, Halil Ersin (2021-06-23) A Neural Network (NN) based method to improve the accuracy of a set of analog Sun sensors is presented. Analog Sun Sensors are commonly used on satellites due to their reduced cost, small size and low power consumption. Ho...
Adjoint Based Multi-Objective Optimization of Submerged Subsonic Intake Ahmed, Ali; Tuncer, İsmail Hakkı (2021-01-12) The present study describes the adjoint based shape optimization of sub-merged trapezoidal intake. Initially direct results on the baseline geometries are compared with published results which are found to be in good agree...
Simulation model fidelity enhancement using corrective force and moment increments: Review of activity performed in NATO-AVT Panel 296 Taghizad, Armin; White, Mark; Cameron, Neil; Padfield, Gareth; Yavrucuk, İlkay; Myrand-Lapierre, Vincent; Nadeau-Beaulieu, Michel; Richard, Sylvain; Tischler, Mark (2021-01-01) Copyright © 2021 by the Vertical Flight Society. All rights reserved.The Applied Vehicle Technology (AVT) Panel of the NATO Science and Technology Organization has recently engaged a Research Task Group on the topic of rot...
Energy-based adaptive flight controller for improved coordinated longitudinal control Kutlu, Aykut; Yayla, Metehan; Kutay, Ali Türker (2021-01-01) In this study, we propose an adaptive longitudinal flight controller in the sequential loop closure framework using the energy principles. In contrary to traditional SISO classical control theory based flight control archi...

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