Jeffrey Mohr
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View article: Megawatt-Scale Low Temperature Electrolyzer Research Capability
Megawatt-Scale Low Temperature Electrolyzer Research Capability Open
The development and installation of a flexible low-temperature electrolyzer research capability at the multi-MW scale with integrated renewables will help lower the cost barrier to entry for electrolyzer manufactures needing at scale syste…
View article: ARIES / Flatirons Facility - Hydrogen System Capability Buildout
ARIES / Flatirons Facility - Hydrogen System Capability Buildout Open
Under the "Advanced Research on Integrated Energy Systems" (ARIES) initiative, hydrogen system capabilities including a MW-scale electrolyzer, storage system, and MW-scale fuel cell generator will be designed and commissioned at NREL's Fla…
View article: NREL ARIES MW Electrolyzer Integration
NREL ARIES MW Electrolyzer Integration Open
Integration and commissioning of ARIES MW Electrolyzer system is complete, and several integration and operation lessons have been learned. An outline of the ARIES MW Electrolyzer system is presented. Lessons learned in both integration of…
View article: Ignition, Flame Progation, and End-Gas Autoignition Studies of Natural Gas/ EGR Blends in a Rapid Compression Machine
Ignition, Flame Progation, and End-Gas Autoignition Studies of Natural Gas/ EGR Blends in a Rapid Compression Machine Open
The development of high efficiency, spark ignited natural gas engines is currently limited by engine knock at high power density (at high compression ratio and/or elevated boost pressures) and misfire (at lean conditions and/or high exhaus…
View article: Temperature Rise on Liner Surfaces of Fuel Cell Electric Vehicle Tanks during Fueling Process
Temperature Rise on Liner Surfaces of Fuel Cell Electric Vehicle Tanks during Fueling Process Open
Herein, the temperature of the inner tank walls, or plastic liners, of composite pressure tanks in fuel cell electric vehicles during fueling using three‐dimensional computational fluid dynamics (CFD) models is evaluated. The liner materia…
View article: Codes and Standards Assessment for Hydrogen Blends into the Natural Gas Infrastructure
Codes and Standards Assessment for Hydrogen Blends into the Natural Gas Infrastructure Open
Energy utilities are evaluating emerging energy technologies to reduce reliance on carbon as an energy carrier. Hydrogen has been identified as a potential substitute for carbon-based fuels that can be blended into other gaseous energy car…
View article: End-Gas Autoignition Fraction and Flame Propagation Rate in Laser-Ignited Primary Reference Fuel Mixtures at Elevated Temperature and Pressure
End-Gas Autoignition Fraction and Flame Propagation Rate in Laser-Ignited Primary Reference Fuel Mixtures at Elevated Temperature and Pressure Open
Engine knock in spark-ignited (SI) engines is initiated by autoignition and detonation in the unburned gases (i.e., end-gas) upstream of the spark-ignited, propagating, turbulent premixed flame. Knock propensity of fuel/air mixtures is qua…