Güncel Gönderiler: Havacılık ve Uzay Bilimleri Fakültesi
Toplam kayıt 110, listelenen: 21-40
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The mechanical effect of functionalization in laminated composite material
(Emerald Publishing, 2023)PurposeThis study aims to systematically compare the effect of increasing fiber-matrix interface adhesion and matrix toughness in layered composite materials. Design/methodology/approachSilane ((3-glycidyloxypropyl) ... -
A new hybrid meta-heuristic optimization method for predicting UTS for FSW of Al/Cu dissimilar materials
(SAGE Publications, 2023)Joining of aluminum (Al) and copper (Cu) materials used in aerospace, automotive, chemistry, nuclear, electrical-electronic and energy sector with traditional fusion welding methods has some negative consequences. One of ... -
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 ... -
The modified residual property model for fracture mechanics
(Kauno Technologijos Universitetas, 2023)In this paper, the application requirement of the Residual Property Model based on the decrescent exponential function is reduced to only one mechanical test datum. For this, by using Creager , Paris's elastic stress field ... -
Obtaining the Fracture Resistance Curve Using the General Displacement
(Kauno Technologijos Universitetas, 2023)In this paper, the energy release energy corre-sponding to the unit crack propagation obtained from the displacement-controlled load-displacement plot is equalized to the elastic energy release rate, and the variation of ... -
A Turkish Text Classification Based Feature Selection and Density Peaks Clustering
(Institute of Electrical and Electronics Engineers Inc., 2023)Text classification, a well-known Natural Language Processing (NLP) task, can be defined as the process of categorizing documents according to their content. In this process, the selection of classification algorithms and ... -
Virtual Investigation on the Response of Glare to Low Velocity Impact
(Institute of Electrical and Electronics Engineers Inc., 2023)Due to the increasing cost of experiments and the increased time required to complete the experimental process, it is more economical to conduct experiments in the form of virtual tests. Therefore, low velocity impact ... -
Energy, exergy, and exergoeconomic analysis of a general UAV
(Inderscience Publishers, 2023)A 3E - energy, exergy, exergoeconomic - analysis of a rotary wing UAV that is used for general purpose has been accomplished in this study. In the study, a parametric investigation regarding the velocity, altitude and ... -
Data clustering using leaders and followers optimization and differential evolution
(Elsevier, 2022)Data clustering is an important research topic in data mining. Although cluster analysis based on optimization algorithms has attracted great attention, optimization-based techniques face difficul-ties due to the non-linear ... -
Passive Flow Control of Ahmed Body using Control Rod
(Universiti Malaysia Pahang, 2022)In the current study, numerical analysis of passive control flow with a control rod for Ahmed body is performed at different slant angles and velocities and placed rod locations on the slant surface. The aim of the 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 ... -
Dünyadaki Düşük Maliyetli Havalimanlarının Performanslarının Veri Zarflama Analiziyle Değerlendirilmesi
(Erciyes Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi, 2021)Bu çalışmanın amacı dünyada düşük maliyetli iş modeli uygulayan havalimanlarının performansının analiz edilmesidir. Çalışma kapsamında dünyanın değişik bölgelerinde, düşük maliyetli iş modelini uygulayan 8 havalimanının ... -
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, ... -
Determinants of Dividend Payout Policies: Evidence from Airline Industry
(Journal of Aviation, 2021)The goal of this research is to uncover the financial factors that influence airline dividend payment policies. The panel data analysis method was used to analyze the financial data of 16 airlines from 2009 to 2018. In the ... -
Havada Kriz: Kovid-19 Pandemisinin Havayolları Performansı Üzerindeki Etkisinin Çok Boyutlu Analizi
(Finans Politik ve Ekonomik Yorumlar Dergisi, 2021)Bu çalışmanın amacı Kovid-19 salgınının havayolları üzerindeki etkisinin çok boyutlu olarak analiz edilmesidir. Çal ışma kapsam ında 2018-2020 dönemi çeyreklik verileri kullan ılmıştır. Çal ışmada Kovid-19 pandemisinin ... -
Çevrimiçi Alışveriş Bağlamında Tüketiciler Tarafından Algılanan Gizlilik Endişesinin Kişiselbilgi Koruma Davranışına Etkisi
(Çukurova Üniversitesi, 2021)Çevrimiçi alışveriş kapsamında, işletmeler mal ve hizmetlerini geliştirebilmek ve rekabet avantajı sağlayabilmek için tüketicilerin kişisel bilgilerine ihtiyaç duymaktadır. Diğer yandan, tüketiciler çevrimiçi alışveriş ... -
A Review of Financial Performance of Aircraft Leasing Companies
(Edit Publishing, 2022)The Covid-19 pandemic has caused many industries, especially the air transport industry, to experience a crisis. It is important to analyze the change in the financial performance of global aircraft leasing companies, one ... -
Multi-pass butt welding of thick AISI 316L plates by gas tungsten arc welding: Microstructural and mechanical characterization
(Elsevier, 2022)Austenitic stainless steels exhibit excellent properties such as outstanding formability even at cryogenic temperatures, high mechanical properties and good corrosion performance. This makes them attractive for use in ... -
Introduction: Towards a New Management Approach in the Aviation Industry After the COVID-19 Pandemic
(Springer, 2022)We are announcing a new sub-series in our book series titled “Corporate Governance, Sustainability and Information System in the Aviation Sector”. This series, as editors, we will discuss sustainable management issues in ... -
The Factors Affecting the Passengers’ Avoidance to Use the Mobile Applications of Airlines
(Springer, 2022)Nowadays, rapid development in information technologies has been experienced in the aviation industry as in other industries. This development has affected both passengers and airlines in different aspects. The use of ...