Başlık için Bildiri Koleksiyonu listeleme
Toplam kayıt 31, listelenen: 1-20
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Airport Corporate Sustainability: An Analysis of Indicators Reported in the Sustainability Practices
(Elsevier Science BV, 2015)Sustainability is getting more important in the developing air transportation industry. As airports are the most significant elements of the air transportation industry the indicators for the sustainability of airport ... -
Application of Artificial Neural Network (ANN) method to exergy analysis of thermodynamic systems
(IEEE Computer Soc, 2009)Exergy is a way to sustainable development and may be defined as the maximum theoretical useful work, while exergy analysis identifies the sources, the magnitude and the causes of thermodynamic inefficiencies within each ... -
Assessment of degradation effects for an aircraft engine considering exergy analysis
(Pergamon-Elsevier Science LTD, 2017)Despite the improvements in engine technology, the combustion processes and wear occurred in engine components affect performance adversely. The turbine and compressor fouling, degradation mechanisms such as erosion, ... -
Assessment of thermodynamic and environmental performances in subcooling process for different refrigerants
(Inderscience Enterprises LTD, 2017)Subcooling application in cooling processes leads to increasing of cooling performance and energy efficiency within defined limits. This study examines subcooling effects of refrigerants on the coefficient of performance ... -
Comparison of Shape Optimization Techniques Coupled with Genetic Algorithm for a Wind Turbine Airfoil
(IEEE, 2016)Airfoil optimization is an important subject for wind turbines in order to increase the flow efficiency along the blade sections. The first important subject for airfoil shape optimization is the mathematical description ... -
Design and flight test study of a VTOL UAV
(American Institute of Aeronautics and Astronautics Inc, AIAA, 2015)The aim of this paper is to present the ongoing studies about design and fight testing of a fixed wing UAV which is able to take-off and land vertically. The UAV concept discussed in this study has three propeller engines. ... -
Design, flight mechanics and flight demonstration of a tiltable propeller VTOL UAV
(American Institute of Aeronautics and Astronautics Inc, AIAA, 2016)This paper presents the design, flight mechanics and flight demonstration studies of a novel tiltable propeller VTOL UAV. The aircraft, discussed in this study, consists of a forward-swept fixed wing, two pairs of counter ... -
Emissions at Busy Airports
(World Scientific And Engineering Acad And Soc, 2009)Emissions in the vicinity of airports demonstrate that aircraft movements (landings and takeoffs in the airport are not sufficient to evaluate the cumulative emission formation for an airport. Eight busy airports and three ... -
Evaluation of aircraft descent profile
(Elsevier Science BV, 2016)Point Merge System (PMS) is a new method for merging and sequencing arrival traffic flows. It consists of sequencing legs, merge point. PMS allows Continuous Descent Approaches (CDAs) which reduces environmental impacts ... -
Evaluation of Safety Management Systems in the Turkish Aviation Industry: Evidence From Aviation Companies
(Int Organization Center Acad Research, 2016)This study focuses on the Safety Management System (SMS) brought forward by aviation authorities in the early 2000s, which aims to increase the safety level of air transportation activities and to maintain these activities ... -
Exergetic effects of some design parameters on the small turbojet engine for unmanned air vehicle applications
(Pergamon-Elsevier Science LTD, 2012)This article analyses some design parameters on the exergetic and energetic performances for a small turbojet engine for unmanned vehicles. On the basis of theoretical data employed, some exergetic and aerothermodynamics ... -
Exergetic sustainability improvement potentials of a hydrogen fuelled turbofan engine UAV by heating its fuel with exhaust gasses
(Pergamon-Elsevier Science LTD, 2016)Exergetic sustainability parameters such as, exergy efficiency, waste exergy ratio, environmental effect factor and exergetic sustainability index were investigated for an UAV having a turbofan engine for the case its ... -
Exergetic Sustainability Indicators as a Tool in Commercial Aircraft: A Case Study for a Turbofan Engine
(Taylor & Francis Inc, 2015)This paper focuses on the exergetic sustainability indicators of a medium-range commercial aircraft engine for constant reference environment and ground running conditions. First, a detailed exergy analysis of turbofan ... -
Exergoeconomic Environmental Optimization of Piston-Prop Aircraft Engines
(Taylor & Francis Inc, 2015)In this study, exergy, exergoeconomic, exergoenvironmental analyses, and exergoeconomic environmental optimization are applied to a four-cylinder, spark ignition, naturally aspirated and air-cooled piston-prop aircraft ... -
Exergy-based sustainability analysis of a low-bypass turbofan engine: A case study for JT8D
(Elsevier Science BV, 2016)The growth in demand for air transport is a problem for the global and local environment. There are, moreover, fundamental conflicts with sustainable development objectives. Sustainability demands a sustainable supply of ... -
Flight control and flight experiments of a tilt-propeller VTOL UAV
(SAGE Publications LTD, 2018)The purpose of this work is to present a study on the stability and control of an unmanned, fixed wing, vertical take-off and landing aerial vehicle. This airplane is driven by a fixed-pitch tilt-propeller system with the ... -
Investigating the Effect of Turbine Inlet Temperature on the Exergetic Improvement Potential of a Small Turbojet Engine
(IEEE, 2017)This paper analyzes and evaluates exergetic improvement rate (IPex) of the components of a small turbojet engine with various turbine inlet temperatures. The engine consists of an inlet, starter generator, a centrifugal ... -
Investigating the effect of turbine inlet temperature on the exergetic improvement potential of a small turbojet engine
(Institute of Electrical and Electronics Engineers Inc., 2017)This paper analyzes and evaluates exergetic improvement rate (IPex) of the components of a small turbojet engine with various turbine inlet temperatures. The engine consists of an inlet, starter generator, a centrifugal ...
