Results 11 to 20 of about 97,348 (264)

A New Model for Constant Fuel Utilization and Constant Fuel Flow in Fuel Cells [PDF]

open access: yesApplied Sciences, 2019
This paper presents a new model of fuel cells for two different modes of operation: constant fuel utilization control (constant stoichiometry condition) and constant fuel flow control (constant flow rate condition).
Uday K. Chakraborty
doaj   +2 more sources

Noninvasive Fuel Flow Monitoring System for Vented Fuel Oil Heaters. [PDF]

open access: yesSensors (Basel), 2023
In this work, we present hardware and firmware design and preliminary testing results for a noninvasive device for measuring fuel oil consumption in fuel oil vented heaters. Fuel oil vented heaters are a popular space heating method in northern climates.
Bond B, Vilagi A, Pride DJ.
europepmc   +5 more sources

Sustainable Supersonic Fuel Flow Method: An Evolution of the Boeing Fuel Flow Method for Supersonic Aircraft Using Sustainable Aviation Fuels [PDF]

open access: yesAerospace, 2021
This paper discloses a new algorithm, called sustainable supersonic fuel flow method, to complement the conceptual design of future supersonic aircraft with pollutant and greenhouse gases emissions estimation. Starting from already existing algorithms currently used to assess the environmental impact of already developed and operating aircraft, the ...
Fusaro R., Viola N., Galassini D.
openaire   +4 more sources

Optimization of air mass flow in a PEM fuel cell [PDF]

open access: yesEPJ Web of Conferences, 2022
In our work, we focused on measuring the performance characteristics of a test hydrogen fuel cell with an open cathode. The aim of the work was to verify the effect of the mass flow through the fuel cell on the power output as a function of the current ...
Novotný Jan   +4 more
doaj   +1 more source

Experimental study and comparison of various designs of gas flow fields to PEM fuel cells and cell stack performance

open access: yesFrontiers in Energy Research, 2014
In this study, a significant number of experimental tests to PEM fuel cells were conducted to investigate the effect of gas flow fields on fuel cell performance.
Hong eLiu   +4 more
doaj   +1 more source

Signature analysis of two-phase flow pressure drop in proton exchange membrane fuel cell flow channels

open access: yesResults in Engineering, 2020
Proton exchange membrane (PEM) fuel cells are promising alternatives to conventional power sources mainly because of potential environmental impacts. Although PEM fuel cells have been considered for various applications, there are still certain technical
Seyed A. Niknam   +2 more
doaj   +1 more source

RMB experimental program on the hydrodynamical behavior of fuel assemblies

open access: yesBrazilian Journal of Radiation Sciences, 2021
The Brazilian Multipurpose Reactor - RMB is a 30 MW pool type research reactor, that uses Materials Testing Reactor - MTR type fuel assemblies. It has a 5x5 square array core with 23 fuel assemblies and two in-core irradiation positions, operating with ...
Walmir Máximo Torres   +4 more
doaj   +1 more source

Flow Path Optimization for a Typical 20 Cells Solid Oxide Fuel Cell Stack with Co- and Counter- Flow Arrangement Patterns

open access: yesInternational Journal of Electrochemical Science, 2019
This paper focuses on air and fuel flow path optimizations for a specific 20 cells modular stack operated in both co- and counter-flow arrangement patterns.
D.F. Chen   +4 more
doaj   +1 more source

Effect of gravity and gas flow direction on the operation of Polymer Electrolyte Membrane Fuel Cells

open access: yesInternational Journal of Electrochemical Science, 2017
The flow-field designs of bipolar plates (BPs) contribute to improving the fuel cell performance. However, the acceleration due to gravity and the direction of supplied gas flows also directly affects fuel cell operation, because they result in ...
Vinh Nguyen Duy, Hyung-Man Kim
doaj   +1 more source

Performance and Emissions of Camelina Biodiesel–Jet A Blends in a Micro-Gas Turbine as a Sustainable Pathway for Aviation

open access: yesFire
This study investigates the performance, emissions, and physicochemical characteristics of a small-scale gas turbine fueled with Jet A and camelina biodiesel blends (B10, B20, and B30). The blends were characterized by slightly higher density (up to +3%),
Cornel Dinu   +3 more
doaj   +1 more source

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