Başlık için Havacılık ve Uzay Bilimleri Fakültesi listeleme
Toplam kayıt 110, listelenen: 1-20
-
The aerodynamic force estimation of a swept-wing UAV using ANFIS based on metaheuristic algorithms
(Cambridge University Press, 2023)In this paper, a new approach to modeling and controlling the problems associated with a morphing unmanned aerial vehicle (UAV) is proposed. Within the scope of the study, a dataset was created by obtaining a wide range ... -
Aerodynamic Performance Improvement with Morphing Winglet Design
(Journal of aviation (Online), 2021)The aim of this study is to reduce unnecessary lift and minimize drag at the same time when the aircraft reaches a certain speed level by using the active morphing method during flight. In this study, the flight performance ... -
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, ... -
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 ... -
Analysis of Factors Affecting the Sustainable Success of Airlines During the COVID-19 Pandemic
(SAGE Publications, 2022)The COVID-19 pandemic increased the risk of financial distress, bankruptcy, or both, in the airline industry. Whether airlines can survive or not during and/or after the pandemic is closely related to their decisions and ... -
Annelerin Anne-Çocuk Kategorisinde Faydacı ve Hedonik Satın Alma Motivasyonlarının Anlık Satın Alma Davranışları Üzerine Etkisi
(Anadolu Üniversitesi, 2023)Araştırmada annelerin faydacı ve hedonik satın alma motivasyonlarının anlık satın alma davranışları üzerine etkisinin tespit edilmesi amaçlanmıştır. Araştırmanın ana kütlesi sosyal medya kullanan annelerden oluşturmaktadır. ... -
Annelerin ve Hamilelerin Organik Gıda Satın Alma Davranışları
(Gaziantep Üniversitesi Sosyal Bilimler Dergisi, 2019)Son yıllarda, özellikle tarım alanındaki yeni üretim tekniklerinin özellikle insan sağlığının üzerindeki olumsuz etkileri, tüketici tercihlerini değiştirmiş, alışverişte daha doğal gıdaların tercih edilmesine vesile olmuştur. ... -
Application Of Commercial Aircraft Selection In Aviation Industry Through Multi-Criteria Decision Making Methods
(2018)The purpose of this study is to determine the most suitableaircraft type by ranking the most demanded aircrafts by airlinecompanies according to several criteria. In this context, the mostordered aircraft types in 2016; ... -
Assessing the self-service technology usage of Y-Generation in airline services
(Elsevier, 2018)Many airlines have introduced Self-Service Technologies (SST) and encouraged their passengers to use these technologies more. Because of the increasing importance of SST, it has been searched by considering Y-Generation ... -
Attitudes of Passengers Towards Green Airlines
(Journal of Yasar University, 2019)In recent years, it has been seen that airlines have given importance to environmentalist applications during their service process. Finding out the passenger attitudes toward these activities is important for airlines in ... -
Autonomous performance maximization of research-based hybrid unmanned aerial vehicle
(Emerald Group Publishing, 2020)Purpose This paper aims to investigate the autonomous performance optimization of a research-based hybrid unmanned aerial vehicle (i.e. HUAV) manufactured at Iskenderun Technical University. Design/methodology/approach To ... -
BİST Turizm Endeksi ile Dolar Kuru, Dolar Endeksi ve Petrol Fiyatları Arasındaki Nedensellik İlişkisinin Ampirik Analizi
(Erciyes Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi, 2019)Bu çalışmanın amacı BİST (Borsa İstanbul) Turizm Endeksi ile dolar kuru, dolar endeksi ve petrol fiyatları arasındaki nedensellik ilişkisinin ortaya çıkarılmasıdır. Bu amaç doğrultusunda 01 Ocak 2003 – 24 Temmuz 2018 dönemi ... -
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 ... -
CFD Simulations and External Shape Optimization of Missile with Wing and Tailfin Configuration to Improve Aerodynamic Performance
(Isfahan University of Technology, 2021)The wing of missile can be considered as an effective factor for determination of lift to drag ratio. However, there are few studies that investigate wing effect on missile aerodynamics. Therefore, the purpose of this study ... -
Characterizations of Microstructure and Properties of Dissimilar AISI 316L/9Ni Low-Alloy Cryogenic Steel Joints Fabricated by Gas Tungsten Arc Welding
(Springer, 2022)The demand for dissimilar joining of steel grades, namely austenitic stainless steels to low-alloy steels, may increase in near future owing to the fact that the storing of LNG is currently becoming a necessity, particularly ... -
Comparative experimental study on the modification of microstructural and mechanical properties of friction stir welded and gas metal arc welded EN AW-6061 O aluminum alloys by post-weld heat treatment
(Wiley-VCH Verlag, 2018)In this paper, the effects of post-weld heat treatment on modification of microstructures and mechanical properties of friction stir welded and gas metal arc welded AA6061-O plates were compared with each other. Gas metal ... -
A comparison of four machine learning techniques and continuous wavelet transform approach for detection and classification of tool breakage during milling process
(Canadian Science Publishing, 2022)In machining, the tool condition has to be monitored by condition monitoring techniques to prevent damage by the use of tools and the workpiece. Cutting forces acting on the tool between zero and maximum values cause the ... -
Conceptual design and optimal sizing of a small unmanned aerial vehicle with fuel cell and battery-powered hybrid propulsion system by meta-heuristic algorithms based on energy consumption
(Taylor and Francis, 2023)In this paper, a new conceptual design methodology for a hybrid propulsion system consisting of the battery and hydrogen fuel cells is presented based on the minimum energy consumption of the UAV. In this context, an ... -
Covid-19, Financial Risk and The Airline Industry
(Mehmet Akif Ersoy Üniversitesi, 2021)The aim of this study is to investigate which financial variables increases or decreases the risk of the bankruptcy of airlines during periods of crisis when there is a possibility of financial distress. In this study, ... -
CRITIC Temelli EDAS Yöntemi ile Havayolu İşletmelerinde Performans Ölçümü Uygulaması
(Pamukkale Üniversitesi Sosyal Bilimler Enstitüsü Dergisi, 2019)Bu çalışmanın amacı havacılığa özgü ölçüm göstergeleri kullanılarak, havayolu şirketlerinin küresel finans krizi öncesi ve sonrasıperformansının çok kriterli karar verme (ÇKKV) yöntemleri aracılığıyla incelenmesidir. Bu ...
