Annular flow
Modelling air and water two phase annular flow in small horizontal pipe
... two-phase flow in a small horizontal pipe of an inner diameter of ...unsteady flow pattern transition behaviours and underlying physical ...full annular flow regime, are shown in reasonable ...
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Interfacial Wave Dynamics Of Core-Annular Flow Of Two Fluids
... In this study, our focus is to study the core-annular flow of a cylindrical pipe with some selected parameter ranges to study various nonlinear wave shape patterns. The goal is to understand and explain ...
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Spatiotemporal Dynamic of Two-dimensional core annular flow in square channel
... Different flow patterns of the oil-water system can be ...core annular flow (PCAF) is usually unstable and can undergo three kinds of instability: capillarity instability, instability caused by ...
8
Evaluation of Wave Characteristics in Annular Flow in Horizontal Pipes
... Abstract: Annular flow experiments in horizontal flow in pipes were conducted with emphasis on wave characteristics (wave velocity, wave frequency) and liquid film ...total flow loop length of ...
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Wall Y Strategy for Modelling Rotating Annular Flow Using CFD
... rotating annular flow of drilling fluid to investigate the pressure loss in an annulus, the strategy can then be transferred to incorporate the desired drilling ...
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Mathematical Modelling of the Low-reactive Coal Gasification in The Upward Annular Flow
... The following types of coal gasification in technical devices are singled out: gasification in a fixed bed, fluidized bed and in a flow. This method of gasification in an upward annular flow refers ...
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Microfluidic Analytical System with On Line Luminol Chemiluminescence Detection Based on Annular Flow of Phase Separation Multiphase Flow
... under laminar flow conditions, the outer phase acts as a pseudohydrophilic-sta- tionary phase on chromatographic separation mode. The hydrophilic compounds were distributed into the outer phase or ...
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Thermo Hydrodynamics of Core Annular Flow of Water, Heavy Oil and Air Using CFX
... The most important feature of the core-flow technique is that it does not modify the viscosity of the oil but changes the flow pattern and reduces friction during the transport of very viscous products, ...
9
The position of maximum velocity in annular flow.
... This online database contains the full-text of PhD dissertations and Masters’ theses of University of Windsor students from 1954 forward.. These documents are made available for persona[r] ...
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New method of predicting surge pressure apply to horizontal well based on casson flow*
... the flow- ing law of drilling fluid into ...steady flow and the equations of annular flow rate under different drill string working conditions, this paper introduced the flow rate ...
6
Performance and Energy Consumption Analysis of UV-H2O2 Photoreactors Using Computational Fluid Dynamics
... for annular and cross flow reactors with different contaminant ...of annular reactor is about 3 times greater than the cross flow ...cross flow reactor have larger cross section (the ...
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Proper Orthogonal Decomposition as a technique for identifying multiphase flow regime based on Electrical Impedance Tomography
... horizontal flow patterns are generally not ...multiphase flow in horizontal pipes is inherently more difficult than that in vertical pipes due to the flow regimes experienced in the former ...
7
Numerical investigation of upward air-water annular, slug and bubbly flow regimes
... gas flow, all the annular flows simulated in the current study had the form like ...wispy annular part of the map which is caused by increasing liquid velocity, the film on the wall got ...wispy ...
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Numerical Analysis of Water and Air in Venturi Tube to Produce Micro-Bubbles
... many flow regimes have been defined and a very wide range of names have been given to these ...bubbly flow, plug flow, stratified flow, wavy flow, slug flow, annular ...
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An experimental determination of settling length for turbulent flow of air in annular ducts.
... isothermal flow of air at room ...on annular flow, indicated that these small order eccentricities had no significant effect on veloc ity ...
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Two-phase flow of air-water mixture in a minichannel
... stratified flow regime and the annular flow regime in mini- and micro- ...of flow regimes for the realization of these flow ...of flow regimes for a rectangular mini- channel 10 ...
6
Flow visualization in a swirling fluidized bed
... of flow towards the bed ...the flow distribution from the outer bed periphery to the core is not preferred due to the lack of uniformity in solid-gas contact inside the ...
7
Effect of flow development region and fringing magnetic force field on annular split-flow thin fractionation
... of flow development regions and fringing magnetic field has been investigated, where only the strongest fringing field on the plane of symmetry passing through the centre"line of a pole piece is ...solve ...
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Eigenvalues of the time—dependent fluid flow problem I
... Inverse boundary value problems, unsteady viscous flow, closed conduits, annular cross-section.. 1980 AMS SUBJECT CLASSIFICATION CODE.[r] ...
6
Advection‐dominated Accretion Model of the Black Hole V404 Cygni in Quiescence
... We have analyzed archival ASCA data on the soft X-ray transient source V404 Cyg in quiescence. We find that in the energy range 0.7 to 8.5 keV the spectrum is a hard power-law with a photon spectral index between 1.8 and ...
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