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Now showing items 11-20 of 34
Efficiency comparison of various design schemes for copper-chlorine (Cu-Cl) hydrogen production processes using Aspen Plus software
(2012-11)
In this study, simulation models are developed to analyze, design and optimize the Cu–Cl cycles using the Aspen PlusTM chemical process simulation package. Energy, exergy and yield effectiveness of the process, based on ...
An overview of fuel cell technology: Fundamentals and applications
(2014-04)
This paper provides a comprehensive review of fuel cell science and engineering with a focus on hydrogen fuel cells. The paper provides a concise, up-to-date review of fuel cell fundamentals; history; competing technologies; ...
Design of systems for hydrogen production based on the Cu-Cl thermochemical water decomposition cycle: Configurations and performance
(2011-08)
In this study, we analyze several Cu-Cl cycles by examining various design schemes for an overall system and its components, in order to identify potential performance improvements. The factors that determine the number ...
Thermodynamic Analysis and Optimization of Densely-Packed Receiver Assembly Components in High-Concentration CPVT Solar Collectors
(Elsevier, 2016-08-01)
Concentrated photovoltaic thermal (CPVT) solar collectors are one of the most promising solar concepts due to their compactness, multi-output nature, and high exergy efficiencies. However, accurate design models and clear ...
Optimization of a Confined Jet Geometry to Improve Film Cooling Performance Using Response Surface Methodology (RSM)
(MDPI, 2020)
This study investigates the interrelated parameters affecting heat transfer from a hot gas flowing on a flat plate while cool air is injected adjacent to the flat plate. The cool air forms an air blanket that shield the ...
Evaluating velocity and temperature fields for Ranque Hilsch vortex tube using numerical simulation
(Elsevier, 2021)
In this study, a three-dimensional numerical investigation is carried out to study the flow field inside a Ranque-Hilsch vortex tube (RHVT) model. Flow parameters such as velocity, temperature, and pressure are plotted at ...
Design and analysis of an alkaline fuel cell
(Yildiz Technical University, 2023)
This study provides a step-by-step, up-to-date fuel cell fundamentals, thermodynamic and electrochemical principles, and system evaluation factors via a case study of a 10-kW alkaline fuel cell designed to operate in space ...
A Study and Assessment of the Status of Energy Efficiency and Conservation at School Buildings
(MDPI, 2022)
The building sector consumes a significant portion of global energy use. In this regard, this work was undertaken to study the status of energy efficiency and conservation at a large school building in the northern part ...
Design and Utilization of a Direct Methanol Fuel Cell
(MDPI, 2022)
This study introduces a step-by-step, summarized overview of direct methanol fuel cell (DMFC) fundamentals, thermodynamic–electrochemical principles, and system evaluation factors. In addition, a parametric investigation ...
Numerical and sensitivity analyses of various design parameters to maximize performance of a Vortex Tube
(Elsevier, 2022)
In this study, a series of numerical simulations are performed to investigate the performance of a vortex tube (VT) with various design parameters. The study focuses on six design parameters, mainly, inlet pressure, VT ...