Güncel Gönderiler: Havacılık ve Uzay Bilimleri Fakültesi
Toplam kayıt 257, listelenen: 201-220
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Exergetic sustainability improvement potentials of a hydrogen fuelled turbofan engine UAV by heating its fuel with exhaust gasses
(Pergamon-Elsevier Science LTD, 2016)Exergetic sustainability parameters such as, exergy efficiency, waste exergy ratio, environmental effect factor and exergetic sustainability index were investigated for an UAV having a turbofan engine for the case its ... -
Parametric study of exergetic sustainability performances of a high altitude long endurance unmanned air vehicle using hydrogen fuel
(Pergamon-Elsevier Science LTD, 2016)Exergetic sustainability performances such as, exergy efficiency, waste exergy ratio, environmental effect factor and exergetic sustainability index of a HALE UAV were investigated parametrically. The UAV and its high ... -
Exergy analysis of a cogeneration system through Artificial Neural Network (ANN) method
(Inderscience Enterprises LTD, 2010)The main objective of this study is to apply the Artificial Neural Network (ANN) method to a cogeneration system, located in Izmir, Turkey, for exergetic evaluation purposes. The data used are based on the actual operational ... -
Advanced low exergoeconomic (ALEXERGO) assessment of a building along with its heating system at various stages
(Elsevier Science Sa, 2015)The present study deals with evaluating the performance of a building heating system along with its main components using advanced low exergoeconomic analysis method. This method combines advanced exergoeconomic with low ... -
Advanced exergoenvironmental assessment of a building from the primary energy transformation to the environment
(Elsevier Science Sa, 2015)Buildings are of great importance in terms of consumption of energy all over the world. Building sector has a significant influence over the total natural resource consumption and is significant contributors of greenhouse ... -
Advanced low exergy (ADLOWEX) modeling and analysis of a building from the primary energy transformation to the environment
(Elsevier Science Sa, 2014)The main objective of the present study is to model, analyze and assess a building heating system along with its main components through advanced low exergy method. This method is shortly called ADLOWEX and combines advanced ... -
Exergetic sustainability assessment of a HALE UAV using dodecene fuel
(Inderscience Enterprises LTD, 2016)Exergetic sustainability performances of a high altitude long endurance (HALE) unmanned aerial vehicle (UAV), having a single turbofan engine and using dodecene as its fuel were investigated all along its flight profile, ... -
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 ... -
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 ... -
Sustainable carbon management in corporate governance: A case study
(Elsevier Science BV, 2019)Institutional structures having leader roles in sustainable development must make regular and sustainable situation analyses to improve management strategies and particularly energy resources when environmental strategies ... -
Dynamic energy and exergy analyses of an industrial cogeneration system
(Wiley, 2010)The study deals with the energetic and exergetic analyses of a cogeneration (combined heat and power, CHP) system installed in a ceramic factory, located in Izmir, Turkey. This system has three gas turbines with a total ... -
Application of Artificial Neural Network (ANN) method to exergy analysis of thermodynamic systems
(IEEE Computer Soc, 2009)Exergy is a way to sustainable development and may be defined as the maximum theoretical useful work, while exergy analysis identifies the sources, the magnitude and the causes of thermodynamic inefficiencies within each ... -
Advanced life cycle integrated exergoeconomic analysis of building heating systems: An application and proposing new indices
(Elsevier Sci LTD, 2018)Advanced exergy-based analysis and assessment tools have been considered very useful tools for detecting the interactions among components of energy-conversion systems and the real potential for improving each component ... -
Investigation of effects of hydraulic balance in mechanical system based on energetic and exergetic efficiency in industrial buildings
(Inderscience Enterprises LTD, 2016)In the total energy demand and management for heating and cooling systems in industrial processes and commercial buildings for different zones, provision of the appropriate balance flows with hydraulic and thermal balancing ... -
Exergy indicators of a low-emission aero-engine combustor
(Emerald Group Publishing LTD, 2018)Purpose It is essential to develop more environment-friendly energy systems to prevent climate change and minimize environmental impact. Within this scope, many studies are performed on performance and environmental ... -
Carbon Foot Print of a Passanger Aircraft Engine at Landing and Take-Off Cycle
(Springer Int Publishing Ag, 2016)… -
Using some performance parameters to predict exhaust gas emissions of a turboprop engine: adaptive neuro-fuzzy method
(Inderscience Enterprises LTD, 2016)This paper presents an exhaust gas emissions prediction model for a turboprop engine depending on some performance parameters. Within this context, experimentally collected emissions data is used to develop a model in the ... -
Refrigeration inventory based on CO2 emissions and exergetic performance for supermarket applications
(Elsevier Science Sa, 2012)In this study, first energy and exergy analysis for supermarket cooling applications having high refrigerant capacity are examined and next, based on these analyses and different gases used. CO2 emission effect caused by ...