Results 1 to 10 of about 390,184 (317)
3D-Modeling of a Coaxial Borehole Heat Exchanger in Sahand Field, Northwest Iran Considering the Porous Medium and Presence of Nanofluids [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2023 The purpose of this study is the 3D CFD numerical modeling of a coaxial borehole heat exchanger. The operating fluid inlet velocity, the groundwater seepage velocity, the soil porosity, and the use of nanofluids instead of pure water are investigated ...
Mehdi Mehrpooya +2 more
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Properties of Anion Exchange Membranes with a Focus on Water Electrolysis
Membranes, 2022 Recently, alkaline membrane water electrolysis, in which membranes are in direct contact with water or alkaline solutions, has gained attention. This necessitates new approaches to membrane characterization. We show how the mechanical properties of FAA3,
Hamza Khalid +4 more
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Scientific Reports, 2022 In this study, a sulfonated poly(ether sulfone) having cardo-type fluorenyl groups (FL-SPES) was investigated as a cathodic binder to improve fuel cell performance via increased the oxygen diffusion in the cathode.
Jung-Eun Cha +5 more
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Optimization of Preparation Factors for Cerium Oxide Synthesis as a Support for CO PrOx Catalyst [PDF]
Hydrogen, Fuel Cell & Energy Storage, 2014 Nanocrystalline ceria has been considered as support for carbon monoxide preferentially oxidation. In this study ceria was prepared by precipitation method and the effects of preparation conditions, such as pH of solution (8-10), aging time (1-12 hr ...
Najmeh Hoshyar, Abdullah Irankhah
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PEFC System Reactant Gas Supply Management and Anode Purging Strategy: An Experimental Approach
Energies, 2022 In this report, a 5 kW PEFC system running on dry hydrogen with an appropriately sized Balance of Plant (BoP) was used to conduct experimental studies and analyses of gas supply subsystems.
Naseruddin Khan +2 more
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Effect of platinum on Ceria supported Cu catalysts for PrOx process in fuel processors [PDF]
Hydrogen, Fuel Cell & Energy Storage, 2014 The CO preferential oxidation (PrOx) is one of the critical steps in hydrogen production and purification for Polymer Electrolyte Membrane Fuel Cell (PEMFC).
Najmeh Hoshyar, Abdullah Irankhah
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Membranes, 2022 The development of stable and durable hydrogen (H2) separation technology is essential for the effective use of H2 energy. Thus, the use of H2 permeable membranes, made of palladium (Pd), has been extensively studied in the literature.
Seungbo Ryu +6 more
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CFD Simulation of Methane Steam Micro-Reformer: Channel Design and Inlet/Outlet Configuration [PDF]
Iranian Journal of Chemical Engineering, 2019 Micro-reformers used for producing hydrogen with a high surface-to-volume ratio in small-scale fuel cells were investigated. To this end, scrutinizing and exploiting all areas of micro reformers is very important.
H. Mohammadnezami, A. Irankhah
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Scientific Reports, 2022 A multiscale approach involving both density functional theory (DFT) and molecular dynamics (MD) simulations was used to deduce an appropriate binder for Pt/C in the catalyst layers of high-temperature polymer electrolyte membrane fuel cells.
Sung Hyun Kwon +5 more
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Medium Temperature Shift Reaction Over Copper-Ceria catalyst in Fixed-Bed and Microchannel Reactors [PDF]
Iranian Journal of Chemical Engineering, 2021 One of the effective catalysts for hydrogen purification and production via medium temperature shift reaction, is Cu-Ce solid solution. Cu0.1Ce0,9O1.9 was produced using co-precipitation method and then was utilized as support for 5Cu/Ce0.9Cu0.1O1.9 ...
A. Irankhah, Y. Davoodbeygi
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