Fuel Cells
Reinforcing Proton Exchange Membrane Fuel Cell Powered Unmanned Aerial Vehicle with an Innovative Combined Flow Field

M. Rostami; A. H. Farajollahi; F. Bagherpor; V. Sfandiyar

Articles in Press, Accepted Manuscript, Available Online from 02 March 2022

http://dx.doi.org/10.22044/rera.2021.11214.1081

Abstract
  Polymer electrolyte membrane fuel cells (PEMFCs) produce high power density efficiently and in a pollution-free way. Therefore, it is employed in UAVs. Flow fields play key role in the performance of PEMFC-powered UAVs. In this study, a novel flow field named modified combined was introduced and investigated ...  Read More

Fuel Cells
A comparative Analysis and Optimization of two Supersonic Hybrid Solid Oxide Fuel Cell and Turbine-less Jet Engine Propulsion Systems for Unmanned Aerial Vehicles

M. Rostami; A.H. Farajollahi; M. Marefati; R. Fili; F. Bagherpor

Volume 3, Issue 2 , July 2022, , Pages 237-253

http://dx.doi.org/10.22044/rera.2021.11173.1076

Abstract
  The propulsion system of an Unmanned Aerial Vehicle (UAV) plays an essential role in its performance, stability and flight endurance. In this study, two types of propulsion systems for UAV (differentiated based on fuel type) are studied to determine their characteristics and advantages. These proposed ...  Read More

Fuel Cells
Modeling Heat and Power Generation for Green Buildings based on Solid Oxide Fuel Cells and Renewable Fuels (Biogas)

M. Beigzadeh; F. Pourfayaz; S.M. Pourkiaei

Volume 1, Issue 1 , January 2020, , Pages 55-63

http://dx.doi.org/10.22044/rera.2020.8985.1010

Abstract
  The use of green buildings is increasing these days and many activities in order to improve the efficiency of this type of constructions have been done by the advancement of technology. Fuel cells are one of equipment which have been used to generate power and heat for residential buildings in recent ...  Read More

Fuel Cells
Numerical Investigation of Gas Channel Geometry of Proton Exchange Membrane Fuel Cell

Haleh Sadeghi; I. Mirzaee; Sh. Khalilarya; N. Ahmadi

Volume 1, Issue 1 , January 2020, , Pages 93-114

http://dx.doi.org/10.22044/rera.2020.9182.1021

Abstract
  In present research, a three-dimensional, single phase proton-exchange membrane fuel cell has been simulated numerically. The governing equations have been solved using finite volume scheme and the obtained results have been validated against famous published data which showed proper conformity. The ...  Read More