Yayın tarihi için Uçak Gövde Motor Bakım Bölümü listeleme
Toplam kayıt 65, listelenen: 1-20
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Emission Benefits of Continuous Descent Approach
(World Scientific And Engineering Acad And Soc, 2009)The approach phase often has the most fuel savings potential among the other phases such as takeoff, climbout, cruise and ground operations. Therefore, the main objective of this study is to investigate being close to the ... -
Energy and emission assessments of continuous descent approach
(Emerald Group Publishing Limited, 2010)Purpose - Continuous descent approach (CDA) is a method, which allows the aircraft flying its individual optimal vertical profile down to runway threshold with engines operating at low-thrust power. The main objective of ... -
Relationship between fuel consumption and altitude for commercial aircraft during descent: Preliminary assessment with a genetic algorithm
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2012)Despite fuel flow rates being low during descent compared to climb and cruise, the potential exists for significant fuel savings during that phase of flight. Increased fuel use, costs and related environmental impacts are ... -
Uçak Yapılarında Perçinlenmiş Bindirme Mafsalları Etrafındaki Çatlak İlerlemesi ve Çoklu Çatlak Etkileşimlerinin Sonlu Elemanlar Yöntemi ile Tahmini
(2012)Bu çalışmada perçinlenmiş bindirme mafsalları etrafındaki yorulma çatlak ilerlemesi hızı, sonlu elemanlar yöntemi kullanılarak tahmin edilmiştir. Bir McDonnell Douglas C-15 uçağında kanat yüzeyinde bulunan 2024-T3 Alüminyum ... -
A Novel Method to Identify the Nox Emissions of Commercial Aircraft During Descent
(Trans Tech Publications LTD, 2012)In this study a novel method is developed to identify the NOx emissions released from commercial aircraft during descent. In order to obtain EINOx the real flight data and ICAO emissions database are used. According to the ... -
NOx, fuel consumption and time effects of flight path angle during descent
(SAGE Publications LTD, 2013)Due to factors affecting flight operation and air traffic management, such as air traffic separation, avoidance of traffic from congested areas, or facilitating separation with crossing traffic, as well as environmental ... -
Empirical model assessment of commercial aircraft emissions according to flight phases
(2013)The quantities of common emissions are investigated for a specific type of commercial aircraft. Actual flight data and International Civil Aviation Organization emission data are used. All flight phases are considered, ... -
Fuel flow analysis for the cruise phase of commercial aircraft on domestic routes
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2014)From the point of view of the environmental impact of aviation, rather than fundamental strategies mainly intended for lower fuel consumption, and thereby less carbon dioxide emissions, more comprehensive approaches have ... -
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 ... -
Transforming lighting system for more greener: applying to the terminal building
(Inderscience Enterprises LTD, 2015)In this paper, four fundamental subjects, renewable energy resources, eco-friendly buildings, lighting systems and energy saving in airport terminal buildings, have been analysed based on the subject of energy. In addition ... -
Estimating gaseous emissions production of an entire flight of a commercial aircraft based on emission measurements and actual flight data records
(Deutschen Forschungsanstalt fur Luft-und Raumfahrt, 2015)In this study, engine emissions measurement results and actual flight data records are used to obtain an emissions production profile of gate-To-gate flight activity. The platform and pow- erplant selected arc B737-800 and ... -
Combustion efficiency analysis and key emission parameters of a turboprop engine at various loads
(Elsevier Sci LTD, 2015)In this study, combustion efficiency of a military type turboprop engine is determined at various loads with the aid of emission data. Also, emission data collected from the engine run at various loads by experimental ... -
Advanced exergy analysis of an aircraft gas turbine engine: Splitting exergy destructions into parts
(Pergamon-Elsevier Science LTD, 2015)Advanced exergy analysis of an aircraft gas turbine engine is presented in this paper. In this framework, the main exergy parameters of the engine components are introduced while the exergy destruction rates within the ... -
An Integrated Navigation System Design For Quadrotors
(IEEE, 2015)In this work, a particle filter based integrated navigation system is designed and tested with real quadrotor systems. Conventionally, Kalman filter based algorithms is used for navigation systems which is highly non-linear. ... -
Fuel flow-rate modelling of transport aircraft for the climb flight using genetic algorithms
(Royal Aeronautical Soc, 2015)In this study, development of a new fuel flow rate model for the climbing phase of flight was achieved using a genetic algorithm (GA) method. Two modelling approaches were performed using real flight data records (FDRs) ... -
Exergy as a useful tool for the performance assessment of aircraft gas turbine engines: A key review
(Pergamon-Elsevier Science LTD, 2016)It is known that aircraft gas turbine engines operate according to thermodynamic principles. Exergy is considered a very useful tool for assessing machines working on the basis of thermodynamics. In the current study, ... -
Modeling the fuel flow-rate of transport aircraft during flight phases using genetic algorithm-optimized neural networks
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2016)Predicting the fuel consumption of transport aircraft is vital for minimizing the detrimental effects of fuel emissions on the environment, saving fuel energy sources, reducing flight costs, achieving more accurate aircraft ... -
Analysis of a quantum irreversible Otto cycle with exergetic sustainable index
(Elsevier Science BV, 2016)In this study, exergetic sustainability index is applied to quantum irreversible Otto cycle with -1/2 spin system. Exergetic sustainability index in a quantum engine is used first time. This index is the ratio of exergy ... -
Analysis of a nano-scale thermo-acoustic refrigerator
(Elsevier Sci LTD, 2016)Purpose of this study is to analyze a nano scale thereto-acoustic refrigeration cycle in terms of its thermodynamic performance. A nano scale thermo-acoustic refrigerator operating with Maxwell-Boltzmann gas and He is ... -
Effects of Ambient Air Temperature on Gaseous Emissions of Turbofan Engines
(Amer Inst Aeronautics Astronautics, 2016)This study presents the results of analyses related to the effects of ambient air temperature (ranging from 5.2 to 23.9 degrees C) on certain engine performance parameters and gaseous emissions, carbon monoxide and nitrogen ...