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Toplam kayıt 10, listelenen: 1-10
Sustainable assessment of solar hydrogen production techniques
(Pergamon-Elsevier Science Ltd, 2012)
This study addresses some technical issues related to solar hydrogen production methods. in this regard, exergy-based environmental and sustainability parameters are applied to an electrolysis process for hydrogen production. ...
Exergetic sustainability indicators as a tool in commercial aircraft: a case study for a turbofan engine
(Taylor & Francis Inc, 2015)
This paper focuses on the exergetic sustainability indicators of a medium-range commercial aircraft engine for constant reference environment and ground running conditions. First, a detailed exergy analysis of turbofan ...
Investigation of micro-tube solid oxide fuel cell fabrication using extrusion method
(Pergamon-Elsevier Science Ltd, 2016)
Extrusion is one of the most effective and inexpensive methods used in the production of ceramic tubes for tubular or micro-tubular solid oxide fuel cell (SOFC) applications. in this method, the parameters such as the ...
Investigation of temperature distribution and performance of SOFC short stack with/without machined gas channels
(Pergamon-Elsevier Science Ltd, 2016)
Solid oxide fuel cells (SOFCs) generate clean energy via electrochemical reactions at high operating temperatures. the distribution of the electrochemical reactions in the cell depends on the flow field design of the ...
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 ...
A parametric study on exergetic performance of a YSZ electrolyte supported SOFC stack
(Inderscience Enterprises Ltd, 2017)
This paper presents a parametric study on the exergetic performance assessment of an electrolyte supported solid oxide fuel cell (SOFC) stack. Considering the operating and design parameters of yttria stabilised zirconia ...
A performance comparison study of uncoated and TiAlN coated carbide end mill on machining of the Al-35Zn alloy
(Iop Publishing Ltd, 2018)
In this study, Al-35Zn alloy was produced by permanent mold casting. To investigate the cutting performance of uncoated and TiAlN coated carbide end mills on this alloy, a series of tests were carried out in the CNC vertical ...
Numerical investigation for convective heat transfer and friction factor under pulsating flow conditions
(E D P Sciences, 2018)
For pulsating flow, the behaviours of the convective heat transfer and friction factor for a periodic corrugated channel are investigated numerically. the finite volume method is used in the numerical study. Three different ...
A parametric study on thermodynamic performance of a SOFC oriented hybrid energy system
(Pergamon-Elsevier Science Ltd, 2019)
In this paper, a parametric study of the performance of a SOFC system for several types of supplied fuels is carried out. A SOFC system which is assisted by some energy resources, namely biomass, solar energy and natural ...