Equilibrium and non‐equilibrium gas–liquid two phase flow in long and short pipelines following a rupture
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DOI: 10.1002/aic.15675
Abstract: The two-phase flow following the blowdown of pipeline carrying flashing liquid is numerically investigated by using thermodynamic equilibrium and non-equilibrium models. Model equations are solved numerically by the finite volume method. The values of fluxes… read more here.
Keywords: non equilibrium; two phase; equilibrium model; equilibrium ... See more keywords
On two‐phase modeling of dewatering pulp suspensions
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DOI: 10.1002/aic.17277
Abstract: Correspondence Tom S. Eaves, School of Science and Engineering, University of Dundee, Fulton Building, Dundee DD1 4HN, UK. Email: [email protected] Abstract An experimental study of the dewatering of wood-pulp fiber suspensions by uniaxial compression is… read more here.
Keywords: pulp; two phase; pulp suspensions; wood pulp ... See more keywords
The two‐phase amphiphilic preconcentration based on surfactants to enrich phenolic compounds from diluted plant extracts and rat urine by micellar electrokinetic chromatography
Sign Up to like & getrecommendations! Published in 2022 at "ELECTROPHORESIS"
DOI: 10.1002/elps.202200044
Abstract: A novel technology by two‐phase amphiphilic preconcentration based on surfactants was established for enriching phenolic compounds by micellar electrokinetic chromatography (MEKC). The cationic surfactant cetyltrimethylammonium chloride (CTAC) was combined with the anionic analytes that existed… read more here.
Keywords: based surfactants; phase amphiphilic; amphiphilic preconcentration; phenolic compounds ... See more keywords
Purification of bacterial inulinase in aqueous two‐phase systems
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DOI: 10.1002/elsc.201700174
Abstract: In this study, extracellular inulinase from Bacillus sp. 11/3 was partially purified and concentrated using aqueous two‐phase system (ATPS). Two different phase forming salts and four types of polyethylene glycol (PEG) were used. Binodal curves… read more here.
Keywords: phase; two phase; inulinase; inulinase purification ... See more keywords
Local fields in two‐phase fibrous piezo‐composites with 622 constituents
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DOI: 10.1002/mma.3923
Abstract: The behaviour of the anti-plane local fields of a two-phase piezo-composite made of a fibre embedded in an infinite matrix, and in perfect contact with it, is studied. Both constituents belong to the 622 crystal… read more here.
Keywords: fields two; two phase; fibrous piezo; local fields ... See more keywords
An approach for solving an inverse spherical two-phase Stefan problem arising in modeling of electric contact phenomena
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DOI: 10.1002/mma.4649
Abstract: In this paper, amodel problem that can be used for mathematical modeling and investigation of arc phenomena in electrical contacts is considered. An analytical approach for the solution of a two-phase inverse spherical Stefan problem… read more here.
Keywords: two phase; inverse spherical; problem; stefan problem ... See more keywords
Relative energy approach to a diffuse interface model of a compressible two‐phase flow
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DOI: 10.1002/mma.5436
Abstract: We propose a simple model for a two‐phase flow with a diffuse interface. The model couples the compressible Navier‐Stokes system governing the evolution of the fluid density and the velocity field with the Allen‐Cahn equation… read more here.
Keywords: phase flow; two phase; model; diffuse interface ... See more keywords
Global strong solution to a thermodynamic compressible diffuse interface model with temperature‐dependent heat conductivity in 1D
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DOI: 10.1002/mma.7597
Abstract: In this paper, we investigate the wellposedness of the nonisentropic compressible Navier–Stokes/Allen–Cahn system with the heat conductivity proportional to a positive power of the temperature. This system describes the flow of a two‐phase immiscible heat‐conducting… read more here.
Keywords: heat; heat conductivity; temperature; two phase ... See more keywords
On a marching level‐set method for extended discontinuous Galerkin methods for incompressible two‐phase flows: Application to two‐dimensional settings
Sign Up to like & getrecommendations! Published in 2021 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.6853
Abstract: In this work a solver for two‐dimensional, instationary two‐phase flows on the basis of the extended discontinuous Galerkin (extended DG/XDG) method is presented. The XDG method adapts the approximation space conformal to the position of… read more here.
Keywords: two phase; level set; method; two dimensional ... See more keywords
A two-phase model for chronic disease processes under intermittent inspection.
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DOI: 10.1002/sim.7269
Abstract: A model is developed for chronic diseases with an indolent phase that is followed by a phase with more active disease resulting in progression and damage. The time scales for the intensity functions for the… read more here.
Keywords: phase; two phase; phase model; disease ... See more keywords
Optimal multiwave sampling for regression modeling in two-phase designs.
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DOI: 10.1002/sim.8760
Abstract: Two-phase designs involve measuring extra variables on a subset of the cohort where some variables are already measured. The goal of two-phase designs is to choose a subsample of individuals from the cohort and analyse… read more here.
Keywords: regression; two phase; multiwave sampling; phase designs ... See more keywords