Dil "eng" Havacılık ve Uzay Bilimleri Fakültesi için listeleme
Toplam kayıt 230, listelenen: 21-40
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Analysis of Test-Cell Emission Measurements of Newly Overhauled Turbofan Engines
(Amer Inst Aeronautics Astronautics, 2015)In this study, the gaseous emissions of newly overhauled CFM56-3B1 and -3B2 series turbofan engines are measured in a test-cell environment during typical functional and performance test procedures. The measured emissions ... -
An Analysis of the Effect of Non-Payload Weight on Fuel Consumption For a Wide-Bodied Aircraft
(2017)Fuel flow rate of an aircraft varies significantly during a typical flight, mainly due to required engine thrust, speed, weather conditions, aircraft configuration and aircraft mass. Of these, the effect of aircraft mass, ... -
An Analysis of the Factors Influencing Score Achieved during Pilot Training
(Japan Soc Aeronaut Space Sci, 2017)Human error is considered a causal or contributory factor in a major part of aviation incidents. It's also known from relevant research and reports that even the smallest error made by a person can cause fatal results in ... -
An Analysis of Vertical Profiles of Wind and Humidity Based on Long-Term Radiosonde Data in Turkey
(2016)The prediction of atmospheric variables is fundamentally important for flight, and efficiency with environmental impact analyses of aircraft. However, certain variables are less predictable leading to inefficient utilization ... -
ANFIS-based comparative exhaust gases emissions prediction model of a military aircraft engine
(Inderscience Enterprises LTD, 2017)In this paper, comparison of estimation methods for exhaust gaseous emissions developed for a military aircraft engine via adaptive neuro-fuzzy inference system (ANFIS) structure is introduced. For system identification ... -
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 ... -
Application of thermodynamic laws on a military helicopter engine
(Pergamon-Elsevier Science LTD, 2017)By definition, a turboshaft engine is simply a gas turbine used to deliver shaft power such as to a helicopter rotor. This paper presents the energetic and exergetic analyses of a turboshaft engine which is used for military ... -
Approximate solutions of range for constant altitude - constant high subsonic speed flight of transport aircraft
(Editions Scientifiques Medicales Elsevier, 2004)Approximate cruise range solutions are introduced for the constant altitude - constant high subsonic speed flight of turbojet/fan transport aircraft with cambered wing design. The variation of the specific fuel consumption ... -
Arrival traffic sequence for converging runways
(Springer International Publishing, 2016)Vectoring, automated methods and speed control are available sequencing methods defined by International Civil Aviation Organization (ICAO). Point Merge System (PMS) is an innovative method for merging and sequencing arrival ... -
Assessment of a ramjet engine for different Mach numbers
(Inderscience Enterprises LTD, 2017)The aim of this study is to determine optimum working of a generic ramjet engine. A thermodynamic analysis has been performed to evaluate three different ramjet flight conditions that have been obtained by using GasTurb. ... -
An assessment of cruise NOx emissions of short-haul commercial flights
(Pergamon-Elsevier Science LTD, 2017)Cruise NOx emissions of aircraft are an important input parameter for studies investigating climate change due to their ability to alter the concentrations of certain trace gases, such as ozone, methane, and hydroxyl in ... -
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 emissions at busy airports
(John Wiley & Sons LTD, 2010)Emissions are determined in the vicinity of airports and used to demonstrate that aircraft movements in the airport, as measured by landings and takeoffs, are not sufficient to evaluate the cumulative emission formation ... -
An assessment of flight efficiency based on the point merge system at metroplex airports
(Emerald Group Publishing LTD, 2018)Purpose - Metroplex is a system of two or more airports, in physical proximity, with highly interdependent arrival and departure operations. The purpose of this study is the construction of an efficient and effective air ... -
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 ... -
Assessment of thermodynamic performance and exergetic sustainability of turboprop engine using mixture of kerosene and methanol
(Inderscience Enterprises LTD, 2016)In this study, first and second laws of thermodynamics were performed in the turboprop and is analysed and discussed with the mathematical model of sustainability performance of a turboprop engine using a mixture of ... -
An Augmented Lagrangian Relaxation Based Subgradient Approach to Aircraft Maintenance Routing Problem
(Baku State University, Inst Applied Mathematics, 2018)… -
Automatic optimization of a centrifugal pump based on impeller-diffuser interaction
(SAGE Publications LTD, 2018)In this study, a centrifugal pump has been optimized using the genetic algorithm coupled with computational fluid dynamics considering the flow physics for various impeller-diffuser configurations. During the automatic ... -
Bird strike warning system
(2013)Safety is an important and indispensable factor at aviation. Bird strike to aircraft affects and decreases the safety of aviation. Bird strike events increase due to the increasing air traffic demand and number of birds ...