Search Results - "Afshari, E."

An investigation of the PEM fuel cells performance with partially restricted cathode flow channels and metal foam as a flow distributor by Afshari, E., Mosharaf-Dehkordi, M., Rajabian, H.

“…In the present work, the performance of proton exchange membrane fuel cells is studied for three cases; A fuel cell with two parallel flow channels (model A),…”
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Performance assessment of gas crossover phenomenon and water transport mechanism in high pressure PEM electrolyzer by Afshari, E., Khodabakhsh, S., Jahantigh, N., Toghyani, S.

“…To improve proton exchange membrane (PEM) electrolyzes’ performance the voltage loss through them should be avoided. In this work, it is intended to analyze…”
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Metal foams as flow distributors in comparison with serpentine and parallel flow fields in proton exchange membrane electrolyzer cells by Toghyani, S., Afshari, E., Baniasadi, E.

“…The arrangement of flow field in a proton exchange membrane electrolyzer cell (PEMEC) plays a significant role on distribution of reactants over the active…”
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A parametric comparison of three fuel recirculation system in the closed loop fuel supply system of PEM fuel cell by Toghyani, S., Afshari, E., Baniasadi, E.

“…Anodic fuel recirculation system has a significant role on the parasitic power of proton exchange membrane fuel cell (PEMFC). In this paper, different fuel…”
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Energy and exergy analyses of a nanofluid based solar cooling and hydrogen production combined system by Toghyani, S., Afshari, E., Baniasadi, E., Shadloo, M.S.

“…A nanofluid is used as working fluid in a solar parabolic trough collector (PTC) for solar cooling and hydrogen production. The combined system is composed of…”
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Thermal and electrochemical analysis of different flow field patterns in a PEM electrolyzer by Toghyani, S., Afshari, E., Baniasadi, E., Atyabi, S.A.

“…This paper presents a comparison between five flow field patterns including parallel, single path serpentine (1-path), dual path serpentine (2-path), triple…”
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Performance analysis and comparative study of an anodic recirculation system based on electrochemical pump in proton exchange membrane fuel cell by Toghyani, S., Baniasadi, E., Afshari, E.

“…Hydrogen recirculation loop in the fuel supply system of a proton exchange membrane (PEM) fuel cell increases the fuel consumption efficiency and maintains…”
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Thermal and electrochemical performance assessment of a high temperature PEM electrolyzer by Toghyani, S., Afshari, E., Baniasadi, E., Atyabi, S.A., Naterer, G.F.

“…In this paper, detailed effects of operating conditions and design parameters including temperature, pressure, gas diffusion layer (GDL) thickness, membrane…”
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Optimization of geometric parameters for design a high-performance ejector in the proton exchange membrane fuel cell system using artificial neural network and genetic algorithm by Maghsoodi, A., Afshari, E., Ahmadikia, H.

“…In this study, a CFD model is adopted for investigating the effects of the four important ejector geometry parameters: the primary nozzle exit position (NXP),…”
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Numerical simulation and exergoeconomic analysis of a high temperature polymer exchange membrane electrolyzer by Toghyani, S., Baniasadi, E., Afshari, E.

“…In this paper, a finite volume numerical method is developed to investigate a high temperature polymer exchange membrane (PEM) electrolyzer cell using a…”
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Performance evaluation of an integrated proton exchange membrane fuel cell system with ejector absorption refrigeration cycle by Toghyani, S., Afshari, E., Baniasadi, E.

“…•An integrated PEM fuel cell with ejector-absorption refrigeration cycle is proposed.•Extracted heat from PEM fuel cell is utilized as the heat source of…”
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Thermal and electrochemical performance analysis of a proton exchange membrane fuel cell under assembly pressure on gas diffusion layer by Toghyani, S., Moradi Nafchi, F., Afshari, E., Hasanpour, K., Baniasadi, E., Atyabi, S.A.

“…In this study, the effect of clamping pressure on the performance of a proton exchange membrane fuel cell (PEMFC) is investigated for three different widths of…”
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Nonlinear transmission lines for pulse shaping in silicon by Afshari, E., Hajimiri, A.

“…Nonlinear transmission lines (NLTL) are used for pulse shaping. We developed the theory of pulse propagation through the NLTL. The problem of a wide pulse…”
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Experimental parametric study on performance of a membrane heat and moisture exchanger with partially blocked channels at isothermal condition by Ghaedamini, M., Baharlou Houreh, N., Afshari, E., Shokouhmand, H., Ahmaditaba, A.H.

“…•A membrane heat and moisture exchanger (MHME) with partially blocked channels is fabricated.•The MHME performance improves with increase of dry side inlet…”
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Effects of the cell thermal behavior and water phase change on a proton exchange membrane fuel cell performance by Afshari, E., Jazayeri, S.A.

“…A two-dimensional, non-isothermal, electrochemical-transport using a fully coupled numerical model is developed for a proton exchange membrane fuel cell to…”
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An image-based modeling framework for predicting spatiotemporal brain cancer biology within individual patients by Bond, Kamila M, Curtin, Lee, Ranjbar, Sara, Afshari, Ariana E, Hu, Leland S, Rubin, Joshua B, Swanson, Kristin R

“…Imaging is central to the clinical surveillance of brain tumors yet it provides limited insight into a tumor's underlying biology. Machine learning and other…”
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Hybrid PSO and SSO algorithm for truss layout and size optimization considering dynamic constraints by Kaveh, A., Bakhshpoori, T., Afshari, E.

“…A hybrid approach of Particle Swarm Optimization (PSO) and Swallow Swarm Optimization algorithm (SSO) namely Hybrid Particle Swallow Swarm Optimization…”
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Delay-Line-Based Analog-to-Digital Converters by Guansheng Li, Tousi, Y.M., Hassibi, A., Afshari, E.

“…We will introduce a design of analog-to-digital converters (ADCs) based on digital delay lines. Instead of voltage comparators, they convert the input voltage…”
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Simulation of Static Recrystallization After Cold Side-Pressing of Low Carbon Steels Using Cellular Automata by Afshari, E., Serajzadeh, S.

“…In this article, the finite element and cellular automata models are coupled to determine static recrystallization kinetics after cold deformation of low…”
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Advances in medical robotic systems with specific applications in surgery-a review by Najarian, S., Fallahnezhad, M., Afshari, E.

“…Although robotics was started as a form of entertainment, it gradually became used in different branches of science. Medicine, particularly in the operating…”
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