Yazar "Turgut, Enis Turhan" için listeleme
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Analysis of Test-Cell Emission Measurements of Newly Overhauled Turbofan Engines
Turgut, Enis Turhan; Cavcar, Mustafa; Yay, Ozan Devrim; Ucarsu, Mehmet; Yılmaz, Elif; Usanmaz, Öznur; Miake-Lye, Richard C. (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
Turgut, Enis Turhan (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 Vertical Profiles of Wind and Humidity Based on Long-Term Radiosonde Data in Turkey
Turgut, Enis Turhan; Usanmaz, Öznur (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 ... -
An assessment of cruise NOx emissions of short-haul commercial flights
Turgut, Enis Turhan; Usanmaz, Öznur (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 emissions at busy airports
Turgut, Enis Turhan; Rosen, Marc A. (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
Şahin, Özlem; Usanmaz, Öznur; Turgut, Enis Turhan (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 ... -
Calculation of NOx Emissions of Short and Medium-haul Domestic Flights with Consideration of the Ambient Effect
Turgut, Enis Turhan (IEEE, 2017)In this study, NOx emissions of typical flights at two domestic round trip routes (206-271 NM and 625-740NM) are quantified. The flight and engine parameters were obtained from actual flight data records, whereas the ... -
Effect of Climb Angle on Aircraft Fuel Consumption and Nitrogen Oxides Emissions
Turgut, Enis Turhan; Usanmaz, Öznur (Amer Inst Aeronautics Astronautics, 2018)Departure climb angles differ with respect to factors such as obstacles within the departure track, meteorological conditions, and cost index input, most of which have a dynamic nature to some extent. In this sense, it is ... -
The effect of flight distance on fuel mileage and CO2 per passenger kilometer
Turgut, Enis Turhan; Usanmaz, Öznur; Cavcar, Mustafa (Taylor & Francis Inc, 2019)In this study, the effect of distance on fuel mileage (fuel burn per nautical mile) and CO2 intensity, based on a large amount of actual flight data, is discussed for narrow-body commercial aircraft performing domestic ... -
Effect of vertical profile inefficiency during descent on fuel burn, emissions and flight time
Aksoy, Hakkı; Usanmaz, Öznur; Turgut, Enis Turhan (Cambridge University Press, 2018)Vertical profile inefficiency caused by low-level flight segments during arrival and departure operations has a great impact on the financial cost of operators as well as negative environmental effects. In this regard, ... -
Effects of Ambient Air Temperature on Gaseous Emissions of Turbofan Engines
Turgut, Enis Turhan (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 ... -
Emission assessment of aviation
Turgut, Enis Turhan; Rosen, Marc A. (IGI Global, 2011)Aviation-related emissions and their impacts are comprehensively discussed in this chapter. Previous studies are described in "Previous Studies," and their relevance is discussed throughout the chapter. In "Jet Engine ... -
Emission Benefits of Continuous Descent Approach
Turgut, Enis Turhan; Usanmaz, Öznur; Canarslanlar, Ali Ozan; Şahin, Özlem (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 ... -
Emissions at Busy Airports
Turgut, Enis Turhan; Rosen, Marc A. (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 ... -
Empirical analysis of the effect of descent flight path angle on primary gaseous emissions of commercial aircraft
Turgut, Enis Turhan; Usanmaz, Öznur; Rosen, Marc A. (Elsevier Sci LTD, 2018)In this study, the effects of descent flight path angle (between 1.25 degrees and 4.25 degrees) on aircraft gaseous emissions (carbon monoxide, total hydrocarbons and nitrogen oxides) are explored using actual flight data ... -
Empirical model assessment of commercial aircraft emissions according to flight phases
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, ... -
Energetic and exergetic analysis of building cogeneration systems
This study deals with types of micro cogeneration (or micro combined heat and power, MCHP) systems and reviews energetic and exergetic analysis of MCHP systems, which are also called building cogeneration systems. These ... -
Energy and emission assessments of continuous descent approach
Turgut, Enis Turhan; Usanmaz, Öznur; Canarslanlar, Ali Ozan; Şahin, Özlem (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 ... -
Estimating Aircraft Fuel Flow for a Three-Degree Flight-Path-Angle Descent
Turgut, Enis Turhan (Amer Inst Aeronaut Astronaut, 2011)The objective of this study is to develop statistically significant models in order to determine the effects of altitude on fuel consumption of commercial aircraft during descent for a specific flight-path angle. In this ... -
Estimating gaseous emissions production of an entire flight of a commercial aircraft based on emission measurements and actual flight data records
Turgut, Enis Turhan; Cavcar, Mustafa; Yay, Ozan Devrim; Ucarsu, Mehmet; Yılmaz, Elif; Usanmaz, O.; Döğeroğlu, Tuncay (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 ...
