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Toplam kayıt 99, listelenen: 59-78
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An exergy way to quantify sustainability metrics for a high bypass turbofan engine
(Pergamon-Elsevier Science LTD, 2015)As fuel efficiency becomes a greater concern in aero engine design and operation. To meet this need, a new methodology is being developed here that proposes the use of exergetic metrics for mapping the exergy flows throughout ... -
Experimental studies of particle packing and combustion behavior of the slip cast SiO2-Al-C system
(Kluwer Academic Publ, 2000)… -
Failure analysis of landing gears strut bearings
(Pergamon-Elsevier Science LTD, 2017)This paper analyses TB 20 training aircraft main landing gear attachment bearings which were failed as a result of cracks. Strut bearing is an attachment fitting of landing gear which attached to the wing spar and secures ... -
Fault diagnosis for a UAV using unknown input observer
(Inderscience Enterprises LTD, 2016)In this paper a fault tolerant control strategy for a quadrotor is proposed in the presence of actuator faults. A linear mathematical model which is derived from nonlinear model by calculating the Jacobian matrix of the ... -
Fault tolerant flight control system design to a rotary wing aircraft
(Gazi University, Fac Engineering Architecture, 2017)In this study, fault tolerant control is made using improved PID controller approach with different motor fault scenarios in a quadrotor. A realistic simulation was set up by obtaining dynamics equations of aircraft and ... -
Havaalanlarında Hizmet Kalitesinin Entropi ve Topsıs Yöntemleri İle Değerlendirilmesi: Avrupa’nın En Yoğun Havaalanları Üzerine Bir Uygulama
(2018)Günümüzün değişen rekabet koşulları altında havaalanlarının daha fazla yolcuya ve havayolu işletmesine hizmet vererek rekabetçi üstünlük sağlamalarında hizmet kalitesi kilit bir unsur haline gelmiştir. Havaalanı hizmet ... -
Havaalanı İşletmeciliğinde Yeni Eğilimler: Türkiye Üzerine Bir Değerlendirme
(2017)Havaalanları birçok ülkede uzun yıllardır merkezi veya yerel idareler tarafından işletilmişlerdir. Ancak, son yıllarda bu durum değişmekte; havaalanlarının yönetimi yapısal bir dönüşüm geçirmektedir. Bu çalışmanın temel ... -
Havaaracı Bakım Teknisyenliği Mesleki Eğitimi: SHY 66 Modül Sınavları Başarı Düzeyinin Değerlendirmesi
(2017)Havaaracı bakım teknisyenliği uluslararası havacılık kuruluşlarının belirlediği standartlara göre lisanslandırma gerektiren bir meslektir. Havaaracı Bakım Lisansı almak için en önemli ve zor aşama teknisyen adaylarının ... -
Identification and quantification of reaction phases at Si3N4-Ti interfaces by using analytical transmission electron microscopy techniques
(Elsevier Sci LTD, 2013)Silicon nitride (Si3N4) and titanium (Ti) were successfully bonded by using a capacitor discharge joining method. The resulting sample interfaces were characterized by scanning electron microscopy (SEM) and analytical ... -
Impact assessment of CO2 emissions caused by exergy losses in the cement sector
(Inderscience Enterprises LTD, 2011)In this study, global effects caused by exergetic inefficiency are examined for rotary kiln of the cement plant. For this purpose, a rotary kiln process of a cement plant in Turkey is modelled, and the annual operation ... -
Impact of aircraft performance differences on fuel consumption of aircraft in air traffic management environment
(Emerald Group Publishing Limited, 2004)Performance differences between the aircraft types are natural and they inevitably cause problems in the air traffic system, particularly when slower aircraft types are followed by faster types in a climb or cruise queue. ... -
Improving aircraft safety and reliability by aircraft maintenance technician training
(Pergamon-Elsevier Science LTD, 2017)Aircraft maintenance is one of the primary causes or contributing factors in aircraft accidents. It is clear that proper training of Aircraft Maintenance Technicians (AMTs) will avoid failures, reduce maintenance related ... -
Investigation of environmental impact caused by aircraft engines
(Inderscience Enterprises LTD, 2013)The environmental effects of exhaust gas emissions from different types of spark ignitions (SIs) - naturally aspirated and air-cooled from piston-prop aircraft engines - at the landing and take-off (LTO) phase of flight-based ... -
Investigation of thermodynamic performance based on the humidity effect in the aircraft environmental control systems
(Inderscience Enterprises LTD, 2015)Some environmental parameters, such as pressure, temperature, humidity and velocity, of air are important for passengers, stayed in aircraft cabin. These values change with altitudes, also atmospheric conditions. The ... -
Mathematical modeling of heat recovery from a rotary kiln
(Pergamon-Elsevier Science LTD, 2010)In this study, heat recovery from rotary kiln was examined for a cement plant in Turkey. At first, an exergy analysis was carried out on the operational data of the plant. Results indicated the presence of 217.31 GJ of ... -
Metaheuristic and Machine Learning Models for TFE-731-2, PW4056, and JT8D-9 Cruise Thrust
(Walter De Gruyter GMBH, 2017)The requirement for an accurate engine thrust model has a major antecedence in airline fuel saving programs, assessment of environmental effects of fuel consumption, emissions reduction studies, and air traffic management ... -
Mevduat bankalarının etkinliği ve hisse senedi getirileri arasındaki İlişki
(2013)Bu çalışmada İstanbul Menkul Kıymetler Borsasına kayıtlı mevduat bankalarının 2006-2010 yılları arasındaki etkinlikleri ve hisse senedi getirileri arasındaki ilişki araştırılmıştır. Çalışmada ilk olarak veri zarflama analizi ... -
A new approach to air traffic controller workload measurement and modelling
(Emerald Group Publishing LTD, 2011)Purpose - The purpose of this paper is to develop an analytical approach for workload measurement based on the task times and the changing task priorities of en route air traffic controllers (EATC). Design/methodology/approach ... -
New Model for the Optimization of Runway Orientation
(Asce-Amer Soc Civil Engineers, 2014)One of the most significant factors that affects the location of airport elements is the optimum runway orientation. In this study, a new model called Calculation of Optimum Runway Orientation (CORO) is developed with an ... -
A new standard instrument arrival: the point merge system
(Emerald Group Publishing LTD, 2013)Purpose - The purpose of this paper is to design a new standard instrument arrival called the point merge system (PMS) for converging runways. The PMS enables controllers to handle traffic with no heading instruction, as ...