Yazar "Turgut, Enis Turhan" için listeleme
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Estimation of vertical and horizontal distribution of takeoff and climb NOx emission for commercial aircraft
Turgut, Enis Turhan; Usanmaz, Öznur; Rosen, Marc A. (Pergamon-Elsevier Science LTD, 2013)An investigation of takeoff and climb NOx emissions is reported for a twin-engine, narrow-body, short-to-medium haul commercial aircraft, B737-800. Ten randomly selected flights are considered for two independent domestic ... -
Exergetic analysis of an aircraft turbofan engine
Turgut, Enis Turhan; Karakoç, Tahir Hikmet; Hepbaşlı, Arif (John Wiley & Sons LTD, 2007)The main objective of the present study is to perform an exergy analysis of a turbofan kerosene-fired engine with afterburner (AB) at sea level and an altitude of 11000 m. The main components of this engine include a fan, ... -
Exergoeconomic analysis of an aircraft turbofan engine
Turgut, Enis Turhan; Karakoç, Tahir Hikmet; Hepbaşlı, Arif (Inderscience Enterprises LTD, 2009)This study deals with an exergoeconomic analysis of an aircraft turbofan engine utilising the kerosene as fuel. A new parameter is developed to define the trust cost rate. The cost of exergy destruction, the relative cost ... -
Exergy analysis of a turbofan aircraft engine
Turgut, Enis Turhan; Karakoç, Tahir Hikmet; Hepbaşlı, Arif; Rosen, Marc A. (Inderscience Enterprises LTD, 2009)An exergy analysis is reported for a General Electric turbofan engine (the CF6-80) using sea-level data. The effects on exergy efficiencies and exergy destructions are investigated of modifying the isentropic efficiencies ... -
Fuel flow analysis for the cruise phase of commercial aircraft on domestic routes
Turgut, Enis Turhan; Cavcar, Mustafa; Usanmaz, Öznur; Canarslanlar, A. Ozan; Döğeroğlu, Tuncay; Armutlu, Kadir; Yay, Ozan Devrim (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 ... -
A gaseous emissions analysis of commercial aircraft engines during test-cell run
Turgut, Enis Turhan; Cavcar, Mustafa; Yay, Ozan Devrim; Ucarsu, Mehmet; Yılmaz, Elif; Usanmaz, Öznur; Döğeroğlu, Tuncay (Pergamon-Elsevier Science LTD, 2015)This study presents an analysis of the seventeen complete measurements of gaseous emissions of eleven different CFM56-7B26 turbofan engines during the regular test-cell runs. A novel measurement setup is established in ... -
Geliş ve kalkış operasyonlarında dikey verimsizliklerin yakıt tüketim ve emisyon etkileri
Aksoy, Hakkı (Anadolu Üniversitesi, 2016)Uçakların geliş ve kalkış operasyonlarında gerçekleştirdikleri düşük irtifa düz uçuş bölümlerinin sebep olduğu dikey uçuş verimsizliği, operatörlerin maliyet giderlerinde ve olumsuz çevresel etkilerin oluşmasında önemli ... -
Investigating actual landing and takeoff operations for time-in-mode, fuel and emissions parameters on domestic routes in Turkey
Turgut, Enis Turhan; Cavcar, Mustafa; Usanmaz, Öznur; Yay, Ozan Devrim; Döğeroğlu, Tuncay; Armutlu, Kadir (Pergamon-Elsevier Science LTD, 2017)Operational landing and takeoff standards developed by the International Civil Aviation Organization (ICAO) in the 1970s, have been widely-used in fuel consumption and emissions models or inventory studies. However, these ... -
A Novel Method to Identify the Nox Emissions of Commercial Aircraft During Descent
Turgut, Enis Turhan (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
Turgut, Enis Turhan; Usanmaz, Öznur (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 ... -
Partial substitution of hydrogen for conventional fuel in an aircraft by utilizing unused cargo compartment space
Turgut, Enis Turhan; Rosen, Marc A. (Pergamon-Elsevier Science LTD, 2010)Options are being actively sought in aviation to switch from petroleum-based fuels to alternative fuels, of which hydrogen is a promising candidate, despite challenges associated with its production and storage. The ... -
A Preliminary Study on Relationship between Flight Path Angle and NOx Emissions during Descent
Turgut, Enis Turhan; Usanmaz, Öznur; Kahvecioğlu, Sinem; Rosen, Marc A. (Aidic Servizi Srl, 2014)Interest in the continuous descent approach has recently increased due to opportunities it provides for fuel savings and emissions and noise control. However, the implementation of this procedure involves a number challenges ... -
Relationship between fuel consumption and altitude for commercial aircraft during descent: Preliminary assessment with a genetic algorithm
Turgut, Enis Turhan; Rosen, Marc A. (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 ... -
Test cell emission measurements of commercial aircraft engine: CFM56-7B26
Turgut, Enis Turhan; Cavcar, Mustafa; Yay, Ozan Devrim; Yılmaz, Elif; Ucarsu, M.; Armutlu, K. (American Institute of Aeronautics and Astronautics Inc., 2014)In this study, the results of a test cell emission measurement campaign for overhauled CFM56-7B26 series engines are presented. The emissions are measured for specific power settings representing the main operating modes ... -
Uçaklarda eksenel akışlı kompresörlerin boyutlandırılması ve ön tasarım için bir yazılım
Turgut, Enis Turhan (Anadolu Üniversitesi, 2003)Yaklaşık 150 yıllık bir geçmişi bulunan eksenel akışlı kompresörler, özellikle 20. yüzyıldaki büyük savaşlar sonucunda havacılıkta ortaya çıkan gelişmelere büyük oranda katkı sağlamıştır. O devirdeki büyük devletlerden ... -
Uçaklarda kullanılan gaz türbinli motorların ekserjoekonomik analizi
Turgut, Enis Turhan (Anadolu Üniversitesi, 2007)Ekserji analizi, ısıl sistemlerin tasarım, modelleme ve performans değerlendirmesinde yaygın bir şekilde kullanılmaktadır. Bu tezde, uçaklarda kullanılan yüksek by-pass oranlı bir turbofan motorunun detaylı ekserjoekonomik ... -
Wind Effect Analysis on Instrument Flight Procedures Using a Turkish Wind Model
Usanmaz, Öznur; Turgut, Enis Turhan (Amer Inst Aeronaut Astronaut, 2012)This study focuses on an increase in efficiency in the construction of flight procedures considering wind effect in protection areas. In Turkish airspace, the International Civil Aviation Organization wind model is used ...