Results 51 to 60 of about 99,114 (312)
Advanced Functional Materials, EarlyView.[001]‐oriented Sb2Se3 film with improved crystallinity and adjusted composition is achieved via a new thermal treatment approach consisting of preliminary annealing of the Sb layer before its selenization. The findings of this work demonstrate enhanced charge carriers' transportation, a stable performance, and an improvement of H2 generation from ...
Magno B. Costa +7 more
wiley +1 more source
Aerospace, 2019 Flow within the space between the rotor and stator of a turbine disk, and an area referred to as the rim seal cavity, develops azimuthal velocity component from the rotor disk.
Cengiz Camci +2 more
doaj +1 more source
Propulsion and Power Research, 2021 In turbine disk cavity, rim seals are fitted between the stator and its adjacent rotor disk. A coolant air injected through the turbine disk cavity to prevent the ingress of mainstream hot gases.
Zakaria Mansouri
doaj +1 more source
Advanced Functional Materials, EarlyView.This study highlights the importance of accounting for stoichiometric hydrogen produced when utilizing Si photocatalysts. The stoichiometric contribution is sacrificial reagent dependent and decreases with increasing sterics around the catalyst surface.
Sarrah H. Putwa +4 more
wiley +1 more source
Experimental validation of equilibria in fuel cells with dead-ended anodes [PDF]
, 2013 This paper investigates the nitrogen blanketing front during the dead-ended anode (DEA) operation of a PEM fuel cell. Surprisingly the dynamic evolution of nitrogen and water accumulation in the dead-ended anode (DEA) of a PEM fuel cell arrives to a ...
Chen, Jixin +4 more
core +1 more source
Modulating Electrochemical CO2 Reduction Pathways via Interfacial Electric Field
Advanced Functional Materials, EarlyView.Engineering interfacial electric fields in Cu/ITO electrodes enables precise control of CO2 reduction pathways. Charge transfer from Cu to ITO generates positively charged Cu species that steer selectivity from ethylene toward methane. This work demonstrates how interfacial electric‐field modulation can direct reaction intermediates and transform ...
Mahdi Salehi +7 more
wiley +1 more source
Exploration EVA Purge Flow Assessment [PDF]
An advanced future spacesuit will require properly sized suit and helmet purge flow rates in order to sustain a crew member with a failed Portable Life Support System (PLSS) during an Extravehicular Activity (EVA).
Campbell, Colin +2 more
core +4 more sources
Effect of Inlet Flow Strategies on the Dynamics of Pulsed Fluidized Bed of Nanopowder
Nanomaterials, 2023 The use of fluidization assistance can greatly enhance the fluidization hydrodynamics of powders that exhibit poor fluidization behavior. Compared to other assistance techniques, pulsed flow assistance is a promising technique for improving conventional ...
Syed Sadiq Ali +3 more
doaj +1 more source
Fisher Helium Purge Flow Control Valve and Relay [PDF]
, 1999 Fisher-Helium Purge Flow Control Valve and Relay.
openaire +4 more sources
Ares I Reaction Control System Propellant Feedline Decontamination Modeling [PDF]
, 2010 The objective of the work presented here is to quantify the effects of purge gas temperature, pressure, and mass flow rate on Hydrazine (Hz) decontamination rates of the Ares I Roll Control System and Reaction Control System.
Pasch, James J.
core +1 more source