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Toplam kayıt 140, 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. ...
IGECVI-special issue-Energy and exergy modeling of advance energy systems
(Pergamon-Elsevier Science Ltd, 2012)
Dear Colleagues,
Energy and exergy are unifying concepts that extend all sciences, and are of fundamental importance in issues of climate change and environment, and use of energy resources. Exergy analysis is a powerful ...
Exergo-sustainability indicators of a turboprop aircraft for the phases of a flight
(Pergamon-Elsevier Science Ltd, 2013)
One of the key challenges for sustainable aviation is to reduce global and local environmental impacts. the scope of this study is analysed and discussed in detail for better understanding of sustainability performances ...
Influence of Ge content and annealing conditions on the PL properties of nc-Si1-xGex embedded in SiO2 matrix in weak quantum confined regime
(Elsevier Science Bv, 2014)
Fabrication of Si (nc-Si), Ge (nc-Ge), and Si1-xGex (nc-Si1-xGex) nanocrystals embedded in SiO2 matrix is achieved by thermal annealing of magnetron-sputtered thin films. Effects of annealing conditions, namely duration ...
Effects of ceramic based pastes on electrochemical performance of solid oxide fuel cells
(Elsevier Sci Ltd, 2014)
Various commercially available anode and cathode materials are investigated as the anode and cathode contact paste, respectively, for solid oxide fuel cells. in order to obtain a printable paste, chosen materials are mixed ...
A review on thin-layer drying-curve equations
(Taylor & Francis Inc, 2014)
This paper presents a comprehensive review of thin-layer drying-curve models available in the literature and their comparisons for single-layer drying applications from 2003 to 2013. in this regard, a total of 67 models ...
The combined effects of filling ratio and inclination angle on thermal performance of a closed loop pulsating heat pipe
(Springer, 2021)
In the present study, a series of experiments are conducted to investigate the thermal performance of a copper made pulsating heat pipe consisting of uniform flow passages with the cross section of 2 mm x 2 mm. Test ...
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 ...