Department of Aerospace Engineering, Conference / Seminar

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Recent Submissions

Numerical Simulation of Spray Characteristics of Doublet Injectors Gulmez, Senem; Kahveci, Harika Senem (2021-09-30)
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...
DETERMINATION OF WAKE SHAPES BEHIND A WIND TURBINE THROUGH CFD SIMULATIONS AND COMPARISON WITH ANALYTICAL WAKE MODELS Adam, Ali Ata; Deniz, Olcay Nurtaç; 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...
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...
Estimation of attitude using robust adaptive kalman filter Candan, Batu; Söken, Halil Ersin (2021-06-23) © 2021 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 accelerome...
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) © 2021 IEEE.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 con...
Adjoint Based Multi-Objective Optimization of Submerged Subsonic Intake Ahmed, Ali; Tuncer, İsmail Hakkı (2021-01-12) © 2021 IEEE.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 i...
Panel-method-based path planning for eVTOL in urban environment Ünal, Zeynep; Yavrucuk, İlkay (2021-01-01) Copyright © 2021 by the Vertical Flight Society. All rights reserved.In this study the panel method used in fluid dynamics, is applied to the path planning problem of electric vertical take-off and landing (eVTOL) vehicles...
Energy-based adaptive flight controller for improved coordinated longitudinal control Yayla, Metehan; Kutay, Ali Türker; Kutlu, Aykut (2021-01-01) © 2021, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.In this study, we propose an adaptive longitudinal flight controller in the sequential loop closure framework using the energy princ...
Linear model identification for rotorcraft using adaptive learning Gursoy, Gonenc; Aslandogan, Ongun Hazar; Yavrucuk, İlkay (2021-01-01) Copyright © 2021 by the Vertical Flight Society. All rights reserved.Convergence to a unique identification result with an optimum model structure is a goal in rotorcraft system identification. Whether using time domain or...
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...
Strength analysis of a 5-m composite wind turbine blade under static and fatigue loading conditions Muyan, C.; Çöker, Demirkan (2020-10-23) © Published under licence by IOP Publishing Ltd.This study focuses on the static and fatigue strength analysis of the existing 5-m RUZGEM composite wind turbine blade with and without defect in the form of debonding. Puck ...
Arafazlı, Heterojen Mikroyapının Çok Seviyeli Homojenleştirme Yaklaşımı ile Modellenmesi Güzel, Dilek; Gürses, Ercan (null; 2020-09-09)
FIRDÖNDÜ UYDULAR İÇİN SÖZLE ÖLÇÜMLER KULLANARAK YÖNELİM BAĞIMSIZ GERÇEK ZAMANLI MANYETOMETRE KALİBRASYONU Çetin, Mustafa Efe; Söken, Halil Ersin; Tekinalp, Ozan (2020-09-09)
Türkiye Bölgesel Seyrüsefer Uydu Sisteminin Bir Artırım Sistemi Olarak Tasarımı ve Eniyilemesi Tuğcular, Uzay; Başıbüyük, Arif Can; Engin, Mehmet Fatih; Şişman, Tahsin Çağrı; Tola, Ceyhun; Söken, Halil Ersin (2020-09-09)
BİR ALÇAK YÖRÜNGE UYDUSU İÇİN KUATERNİYON GERİBESLEMELİ REGÜLATÖR VE DOĞRUSAL KUADRATİK REGÜLATÖR TASARIMI Eşit, Mehmet; Yakupoğlu, Şirin; Ucun, Levent; Söken, Halil Ersin; Gulmammadov, Farid (2020-09-09)
ATALETSEL SENSÖRLER KULLANARAK YÖNELİM BELİRLEMEDE FARKLI FİLTRE ALGORİTMALARININ KARŞILAŞTIRILMASI Söken, Halil Ersin; Candan, Batu (2020-09-09)
KÜÇÜK UYDULARDA YÖNELİM BELİRLEME FİLTRESİNİN KAMERA TABANLI ÖLÇÜMLER İLE DESTEKLENMESİ Söken, Halil Ersin; Güzel, Mehmet Burak; Tekinalp, Ozan (2020-09-09)
BİR YER GÖZLEM UYDUSU İÇİN YÖNELİM DİNAMİĞİ PARAMETRELERİNİN TASARIM KISITLARI DAHİLİNDE KESTİRİMİ Sözen, Şemsettin Numan; Gökçe, Murat; Söken, Halil Ersin; Gulmammadov, Farid (2020-09-09)
Attitude-Independent Magnetometer Calibration for Spinning Spacecraft Using Quasi-Measurements Söken, Halil Ersin; Çetin, Mustafa Efe; Sakai, Shin-İchiro (2020-08-09)

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