Başlık için Makale Koleksiyonu listeleme
Toplam kayıt 99, listelenen: 73-92
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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 ... -
Numerical calculation of energy and exergy flows of a turboshaft engine for power generation and helicopter applications
(Pergamon-Elsevier Science LTD, 2016)Fuel efficiency of aircraft and helicopter becomes greater concern in recent years caused by rising fuel costs and as well as environmental impact of aviation emissions. Modern helicopters, however, highly complex systems ... -
Operating Temperatures of the Solar Cells Used in the Concentrator System With Radiating Plates
(Turkish Soc Thermal Sciences Technology, 2016)A solar cell concentrator system is offered to satisfy the energy requirement of the satellites orbited around the Earth. The solar cells coupled to the system are exposed to sunlight concentrated 124 times with a Cassegrain ... -
Operatingtemperaturesofthesolarcellsused Intheconcentrator System with Radiating Plates
(2016)Dünya çevresinde yörüngede dönen uyduların enerji ihtiyacını karşılamak için bir yoğunlaşmalı güneş hücresi sistemi önerilmiştir. Cassegrain tipi bir yansıtıcı kullanılarak 124 defa yoğunlaştırılan güneş ışığı sistemde yer ... -
Optlimisatlion of runway orlientatilons for three-runway configurations
(Royal Aeronautical Soc, 2016)Determination of runway orientation is a prime factor affecting the layout of airport facilities. This paper presents a new computer model called TORO (Tool for Optimum Runway Orientation) which is developed with an approach ... -
Partial substitution of hydrogen for conventional fuel in an aircraft by utilizing unused cargo compartment space
(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 ... -
Performance Evaluation of an Experimental Turbojet Engine
(Walter De Gruyter GMBH, 2017)An exergy analysis is presented including design parameters and performance assessment, by identifying the losses and efficiency of a gas turbine engine. The aim of this paper is to determine the performance of a small ... -
A qualitative study on the exploration of challenges to the implementation of the Safety Management System in aircraft maintenance organizations in Turkey
(Elsevier Sci LTD, 2015)Safety management has recently started using a paradigm that 'sees the world as it is' rather than 'prescribing how it should be'. The Safety Management System (SMS), a product of this paradigm shift, has fairly new and ... -
Reducing Operational Fuel Costs of Airlines: A Model for Monitoring and Managing Fuel Consumption Using Unified Modeling Language
(2018)The economical balance of airline operators is fragile because of their presence in a highly competitive environment and high fixed and variable costs. The ability of airline companies to cope with high competition by ... -
Rotor Balancing with Turbine Blade Assembly Using Ant Colony Optimization for Aero-Engine Applications
(Walter de Gruyter GmbH, 2017)The purpose of this paper is to present a novel turbine balancing using Ant Colony Optimization method. Results are compared against well known optimization methods available at open literature. With the new approach, ... -
Sensor Faults Diagnosis in Aircraft Lateral Flight Control Using Model Based Approaches
(2015)Bu çalışmada, algılayıcı arızası tespiti ve ayrımı ele alınmaktadır. Havacılık gibi yüksek emniyet gerektiren kontrol sistemlerinde arıza tespiti ve ayrımı teknikleri kullanılmaktadır. Böyle sistemlerde, arızalar istenmeyen ... -
Seramik Sağlık Gereçlerinin Sinterleme Sıcaklığının Fiziksel Özelliklere ve Tahribatsız Muayane Yöntemine Etkisi
(2016)Bu çalışmada, inşaat malzemeleri içinde sınıflandırılan seramik sağlık gereçlerinin, sıcaklığa bağlı olarak fiziksel özelliklerinin ve ultrasonik hızlarının değişiminin incelenmesi hedeflenmiştir. Bu amaçla, laboratuvar ... -
Strategic approach to managing human factors risk in aircraft maintenance organization: risk mapping
(Emerald Group Publishing LTD, 2019)Purpose Aviation has multi-cultural business environment in all aspects as operational and management. Managing aviation requires high awareness on human factor risk which includes organizational behavior-related topics. ... -
A study of challenges to the success of the safety management system in aircraft maintenance organizations in Turkey
(Elsevier Science BV, 2015)The ICAO is an international regulatory authority put in place, in addition to current prescriptive regulatory approaches based on regulatory compliance that use reactive tools, performance based approaches that focus on, ... -
Sustainability assessment of PW6000 turbofan engine: an exergetic approach
(Inderscience Enterprises LTD, 2014)In this paper, theory, methodology and example application are developed and shown for a PW6000 high-bypass turbofan engine in terms of exergo-sustainable perspective. To obtain exergetic sustainability indicators, first, ...