Does the permeability of gravel river beds affect near‐bed hydrodynamics?
Sign Up to like & getrecommendations! Published in 2018 at "Earth Surface Processes and Landforms"
DOI: 10.1002/esp.4260
Abstract: The permeability of river beds is an important control on hyporheic flow and the movement of fine sediment and solutes into and out of the bed. However, relatively little is known about the effect of… read more here.
Keywords: bed; near bed; permeable beds; river beds ... See more keywords
Evaluating the Biologically Effective Dose (BED) Concept Using a Dynamic Tumor Simulation Model.
Sign Up to like & getrecommendations! Published in 2020 at "Medical physics"
DOI: 10.1002/mp.14228
Abstract: PURPOSE To evaluate three different formulae for calculating the biologically effective dose (BED) by use of a multi-population reaction{diffusion simulation to determine whether or not these formulae produce equivalent effects for different treatment regimes. METHODS… read more here.
Keywords: volume; bed; biologically effective; dose ... See more keywords
Experimental investigation and numerical analysis of the dynamic characteristics of a laminated hybrid composite bed
Sign Up to like & getrecommendations! Published in 2017 at "Polymer Composites"
DOI: 10.1002/pc.23555
Abstract: To maximize the productivity of precise products in manufacturing industries, machine tools should be operated at high speeds. The machine tools should withstand higher cutting speeds, higher acceleration and deceleration and should be cost effective… read more here.
Keywords: composite bed; bed; cast iron; laminated hybrid ... See more keywords
Experimental design of a “Snap-on” and standalone single-bed oxygen concentrator for medical applications
Sign Up to like & getrecommendations! Published in 2021 at "Adsorption"
DOI: 10.1007/s10450-021-00299-8
Abstract: A novel single-bed, “Snap-on” and standalone, medical oxygen concentrator design based on a rapid pressure swing adsorption process was investigated for continuous oxygen supply. The Snap-on concentrator design is easy to hook up to an… read more here.
Keywords: oxygen; bed; air; oxygen concentrator ... See more keywords
On Startup of a Fluidized-Bed Boiler
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Engineering Physics and Thermophysics"
DOI: 10.1007/s10891-017-1566-1
Abstract: The process of heating a granular bed under conditions of thermal fluidization with heat supplied through the upper boundary of the bed and through its gas distributor is investigated. read more here.
Keywords: startup fluidized; bed; fluidized bed; bed boiler ... See more keywords
Flows and Heat Exchange in a Geothermal Bed in the Process of Extraction of a Vapor–Water Mixture from It
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Engineering Physics and Thermophysics"
DOI: 10.1007/s10891-017-1606-x
Abstract: With the use of the finite-difference method, a nonstationary nonlinear problem on the heat and mass transfer in a geothermal bed in the process of extraction of a vapor–water mixture from it was solved numerically… read more here.
Keywords: heat exchange; water; bed; transfer ... See more keywords
Nickel Supported on Mesoporous Zirconium Oxide by Atomic Layer Deposition: Initial Fixed-Bed Reactor Study
Sign Up to like & getrecommendations! Published in 2019 at "Topics in Catalysis"
DOI: 10.1007/s11244-019-01133-w
Abstract: Atomic layer deposition (ALD) is gaining attention as a catalyst preparation method able to produce metal (oxide, sulphide, etc.) nanoparticles of uniform size down to single atoms. This work reports our initial experiments to support… read more here.
Keywords: bed; atomic layer; layer deposition; fixed bed ... See more keywords
Some general aspects of a gas-solid fluidized bed using digital image analysis
Sign Up to like & getrecommendations! Published in 2018 at "Korean Journal of Chemical Engineering"
DOI: 10.1007/s11814-017-0291-y
Abstract: Digital image analysis (DIA) was used to achieve some information related to aspect ratio of the bubbles, bed expansion fluctuations and the emulsion area at different gas velocities and different bed heights. All experiments were… read more here.
Keywords: bed; analysis; gas; digital image ... See more keywords
Particle resolved CFD simulation on vapor-phase synthesis of vinyl acetate from ethylene in fixed-bed reactor
Sign Up to like & getrecommendations! Published in 2020 at "Korean Journal of Chemical Engineering"
DOI: 10.1007/s11814-020-0500-y
Abstract: The synthesis of vinyl acetate (VAc) from ethylene is a strongly exothermic reaction that might easily cause catalyst deactivation and reduce selectivity of VAc. Research at the bed scale helps to improve the conversion of… read more here.
Keywords: selectivity; vinyl acetate; temperature; bed ... See more keywords
Aeolian sand transport over a wet, sandy beach
Sign Up to like & getrecommendations! Published in 2021 at "Aeolian Research"
DOI: 10.1016/j.aeolia.2021.100712
Abstract: Abstract Quantifying aeolian transport within the intertidal zone is critical to understanding feedbacks between aeolian and nearshore processes in coastal environments. Here, we report a field study of aeolian transport over a wet bed in… read more here.
Keywords: transport; transport wet; aeolian sand; bed ... See more keywords
Assessment of performing experimental investigation on a pebble bed modular reactor (PBMR) as a static packed bed approximation
Sign Up to like & getrecommendations! Published in 2017 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2016.11.020
Abstract: Abstract Moving bed reactors have a wide range of applications in the chemical, petrochemical, and alternative energy industries in a special situation where there is a need to either continuously recirculate or replace solid particles… read more here.
Keywords: pbmr; pebble bed; bed; bed modular ... See more keywords