Güncel Gönderiler: Havacılık ve Uzay Bilimleri Fakültesi
Toplam kayıt 110, listelenen: 81-100
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Mobil Uygulamaya Sahip Havayolu İşletmelerinin Yolculara Yönelik Hizmetlerinin Araştırılması
(Çukurova Üniversitesi Sosyal Bilimler Enstitüsü Dergisi, 2019)Son yıllarda, havayolu sektöründe yolculara yönelik mobil uygulamalar giderek artmaktadır. Yolcuların seyahatlerini kolaylaştıran bu uygulamalara havayolu işletmeleri büyük maliyetlere katlanmaktadır. Ancak bu yatırımların ... -
Katı Yakıtlı Roket ALP-01 Tasarımı, Modellemesi ve Simülasyonu
(Avrupa Bilim ve Teknoloji Dergisi, 2019)Bu çalışmada katı yakıtlı alçak irtifa roketi ALP-01’in CAD tasarımı yapılmıştır. 1500 metre irtifa için roket boyutları; seçilen motor için optimize edilmiştir. Burun konisi geometrisi olarak Parabolik tip tercih edilmiş ... -
Different Autopilot Systems Design For a Small Fixed Wing Unmanned Aerial Vehicle
(Avrupa Bilim ve Teknoloji Dergisi, 2019)The aim of this study is to design an autopilot system for Unmanned Aerial Vehicle (UAV) in a small size and to compare the efficiency of the systems designed with different methods. For this purpose, linearized equations ... -
Pasif Başkalaşımın Çıkış Varyansı Kısıtlı Kontrolcü İle Yönlendirilen İha Üzerinde Etkileri
(Avrupa Bilim ve Teknoloji Dergisi, 2020)Bu çalışma çıkış varyansı kısıtlı kontrolcü (OVC) ile yönlendirilen pasif başkalaşım yeteneğine sahip İHA’lar hakkında yeni sonuçlar sunmaktadır. Kanat ve kuyruk takımının uçak uzunlamasına ekseninde belli aralıklarda ... -
Multiple-criteria approach of the operational performance evaluation in the airline industry: Evidence from the emerging markets
(Institute for Economic Forecasting, 2020)The main objective of this study is to develop a multiple-criteria decision-making (MCDM) model in order to evaluate the operational performance of airlines operating in emerging markets. In this respect, the manuscript ... -
The Determinants of Airline Operational Performance: An Empirical Study on Major World Airlines
(Sosyoekonomi, 2020)The air transport industry is a dynamic sector and operates in a dynamic environment. This situation leads to intense competition among airlines and, consequently, to a search for new methods to improve the operational ... -
Improving Autonomous Performance of a Passive Morphing Fixed Wing UAV
(Kauno Technologijos Universitetas, 2020)In this article, simultaneous longitudinal and lateral flight control systems design for both passive and active morphing unmanned aerial vehicles (UAVs) is first time applied for autonomous flight performance maximization. ... -
Evaluation of Airlines Performance Using an Integrated Critic and Codas Methodology: The Case of Star Alliance Member Airlines
(Sciendo, 2020)In the airline industry where intense competition has taken place, performance evaluation is vital for airlines to achieve their goals and to gain a competitive advantage. This study aims to evaluate the performance of ... -
The effects of interface and matrix reinforcements on fracture toughness of E-Glass/epoxy laminate
(Institute of Physics Publishing, 2020)In this study, the effects of low amount (0.1 wt%) multi-walled carbon nanotube (MWCNTs) distributed homogenously in epoxy via cationic surfactant (cetyl pyridiniumchloride-CPC), polyacrylonitrile nanofiber (in the range ... -
Investigation of cotton fabric composites as a natural radar-absorbing material
(Emerald Group Publishing Ltd., 2020)Purpose The purpose of this paper is to investigate cotton fabric behavior that is exposed to radar waves between selected operation frequencies as an alternative radar-absorbing material (RAM) response. Cotton fabric ... -
Empirical analysis of the relationship between trade wars and sea-air transportation
(Sciendo, 2020)The aim of this paper is to empirically analyse the relationship between the trade wars and modes of transport for selected countries. For this purpose the causality relationship between trade value and sea transport / air ... -
Aircraft selection by applying AHP and TOPSIS in interval type-2 fuzzy sets
(Elsevier, 2020)The selection of the appropriate aircraft can bring competitive advantages to airlines, however, there are a number of factors which introduce a degree of uncertainty to the selection process. By removing this uncertainty, ... -
Variance constrained trajectory tracking for tandem-rotor helicopters
(Emerald Group Publishing Ltd, 2020)Purpose This paper aims to present novel results for trajectory tracking of tandem-rotor helicopters via variance-constrained controllers. Design/methodology/approach Regarding these purposes, linearized tandem-rotor ... -
Causal Relationship Between Air Transport and Economic Growth: Evidence from Panel Data for High, Upper-Middle, Lower-Middle and Low-Income Countries
(Khazar University, 2019)This study aims to find out the causal relationship between air transport and economic growth based on income level. To this end, selected countries with high-income, upper-middle-income, lower-middle-income, and low-income ... -
Determinants of Financial Risk: An Empirical Application on Low-Cost Carriers
(Sciendo, 2019)The airline industry has entered a rapid development and transformation process, especially after the Second World War. In this process, it is seen that the market structure changed and many private airlines were established. ... -
Exploring service quality of low-cost airlines in Europe: An integrated MCDM approach
(Sciendo, 2019)This study aims to evaluate service quality performance of major LCCs (Low Cost Carriers) in Europe by the MCDM (Multi-Criteria Decision Making) methodology. In addition it focuses on managerial business models and includes ... -
Simultaneous tailplane of small UAV and autopilot system design
(Emerald Group Publishing Ltd, 2019)Purpose The purpose of this paper is to rise the autonomous flight performance of the small unmanned aerial vehicle (UAV) using simultaneous tailplane of UAV and autopilot system design. Design/methodology/approach A small ... -
Analysis of combined passively and actively morphing blade root chord length and blade taper for helicopter control
(Emerald Group Publishing Ltd, 2019)Purpose The purpose of this study is to examine the effect of passive and active morphing of blade root chord length and blade taper on the control effort of the flight control system (FCS) of a helicopter. Design/method ... -
Effects of the actively morphing root chord and taper on helicopter energy
(Emerald Group Publishing Ltd, 2019)Purpose The purpose of this paper presents the effects of actively morphing root chord and taper on the energy of the flight control system (i.e. FCS). Design/methodology/approach Via regarding previously mentioned purposes, ... -
The Factors Determining the Profitability of Low Cost Airlines
(Natl Inst Statistics, 2020)Airline have developed a set of business models to increase their market share and gain competitive advantage against each other. One of the business models that have recently captured attention is the low-cost business ...
