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2 edition of Numerical Analysis of Two-Phase Flow in Horizontal Channels Saga 3 Code User"s Guide. found in the catalog.

Numerical Analysis of Two-Phase Flow in Horizontal Channels Saga 3 Code User"s Guide.

Atomic Energy of Canada Limited.

Numerical Analysis of Two-Phase Flow in Horizontal Channels Saga 3 Code User"s Guide.

by Atomic Energy of Canada Limited.

  • 378 Want to read
  • 36 Currently reading

Published by s.n in S.l .
Written in English


Edition Notes

1

SeriesAtomic Energy of Canada Limited. AECL -- 7613
ContributionsTahir, A., Carver, M.
ID Numbers
Open LibraryOL21969565M

Cambridge Core - Thermal-Fluids Engineering - Two-Phase Flow, Boiling, and Condensation - by S. Mostafa Ghiaasiaan. In this paper we analyze the Riemann problem for the widely used drift-flux two-phase flow model. This analysis introduces the complete information that is attained in the representation of solutio.

An adiabatic experiment was conducted to investigate the effect of channel geometry on gas-liquid two-phase flow characteristics in horizontal microchannels. A water-nitrogen gas mixture was pumped through a 96 μm square microchannel and the resulting flow pattern, void fraction and frictional pressure drop data were compared with those. Flow Patterns – Two-phase Flow. One of the most challenging aspects of dealing with two-phase flow or multi-phase flow is the fact that it can take many different forms. Spatial distributions and velocities of the liquid and vapor phases in the flow channel is very important aspect in many engineering re drops and also heat transfer coefficients strongly depends on the local.

The present study reports pressure measurements of oil (D)-water flow in a horizontal 4'' diameter stainless steel pipe at different flow conditions. Experiments were carried out for different water cuts (WC); %. Inlet oil-water flow rates were varied from to barrels-per-day in steps of A numerical method for treating two-phase flow in pipes is presented which incorporates the use of a partially implicit scheme in regions of relatively low flow velocity and .


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Numerical Analysis of Two-Phase Flow in Horizontal Channels Saga 3 Code User"s Guide by Atomic Energy of Canada Limited. Download PDF EPUB FB2

Numerical analysis of two phase flow in horizontal channels - saga iii code users guide Technical Report (PDF Available) January with 21 Reads How we measure 'reads'. Numerical Simulation of Two-Phase Flow in Horizontal Interconnected Subchannels Article (PDF Available) in Nuclear technology (2) November with 18 Reads How we measure 'reads'.

The maximum pressure of two-phase flow is obviously influenced by the torsion of helical pipe, which causes the torsional force to act on the two-phase flow in the entrance. Download: Download high-res image (KB) Download: Download full-size image; Fig.

Development of the pressure profiles of two-phase flow in helical by: 7. Numerical Simulation of Two-Phase Flow in Horizontal Interconnected Subchannels. numerical analysis of two phase flow in horizontal channels - saga iii code users guide.

In fluid mechanics, two-phase flow is a flow of gas and liquid — a particular example of multiphase -phase flow can occur in various forms, such as flows transitioning from pure liquid to vapor as a result of external heating, separated flows, and dispersed two-phase flows where one phase is present in the form of particles, droplets, or bubbles in a continuous carrier phase (i.e.

Ribatski, A Critical Overview on the Recent Literature Concerning Flow Boiling and Two-Phase Flows Inside Micro-Scale Channels, Experimental Heat Transfer, /, 26,(), ().

PDF | Different subchannel computer codes have been successfully used for the thermal-hydraulic analysis of coolant flow in vertical fuel channels. | Find, read and cite all the research you. Amir Faghri, Yuwen Zhang, in Transport Phenomena in Multiphase Systems, Two-Phase Flow.

Two-phase flow refers to the interactive flow of two distinct phases with common interfaces in a channel, with each phase representing a mass or volume of matter. The two phases can exist as combinations of solid, gas and/or liquid phases. Although multiphase flow involving three phases can.

The Taitel and Dukler () map is the most widely used flow pattern map for horizontal two-phase flow. This map is based on a semi-theoretical method, and it is computationally more difficult to use than other flow maps.

The horizontal coordinate of the Taitel and Dukler () map is the Lockhart-Martinelli parameter (X), Eq. The. Experiments were performed to characterize the development of air–oil two-phase flow downstream of horizontal sudden expansions with area ratios of and We carried out numerical studies to investigate the single- and two-phase flow characteristics in the single- and multi-channels.

We used the finite volume method to solve the mass and momentum conservation equations. The volume of fluid model is used to predict the two-phase flow in the channel. We obtained the distribution of velocity fields, pressure drop and air volume fraction for.

CHAPTER 6 NUMERICAL SOLUTION OF TWO-PHASE FLOW PROBLEMS INTRODUCTION In this final chapter, we shall examine several numerical methods for the solution of multidimensional, multiphase flow problems.

For the sake of clarity and brevity of presentation, the discussion will be limited t o the case of horizontal, two-dimensional flow of two. Flow pattern classifications LIMITS OF DISPERSE FLOW REGIMES Disperse phase separation and dispersion Example: horizontal pipe flow Particle size and particle fission Examples of flow-determined bubble size Bubbly or mist flow limits Other bubbly flow limits 6.

In this study the air–water two-phase flow in a tapered channel of a PEMFC was numerically simulated using the volume of fluid (VOF) method. In particular, a 3D mathematical model of the fuel cell flow channel was used to obtain a reliable evaluation of the fuel cell performance for different taper angles and different temperatures and to.

The numerical study has been conducted by coupling the results of a 3D mathematical model of single-channel fuel cell and a 2D VOF to simulate the two-phase flow in the channel. In detail a 3D model with the two-fluid model for the multiphase transport [14] is used to describe the performance of a proton exchange membrane fuel cell and to.

Two phase flow – flow regimes – p. Horizontal – bubble flow Small bubbles are present in the flow, and are Flow maps for horizontal flow Commonly used flow maps are: Baker map, which is old and widely used. Hoogendoorn map, which is considered to be more accurate than the Baker map.

This graduate text provides a unified treatment of the fundamental principles of two-phase flow and shows how to apply the principles to a variety of homogeneous mixture as well as separated liquid-liquid, gas-solid, liquid-solid, and gas-liquid flow problems, which may be steady or transient, laminar or chapter contains several sample problems, which illustrate the outlined 4/5(1).

The heat transfer and analysis on laser beam, evaporator coils, shell-and-tube condenser, two phase flow, nanofluids, complex fluids, and on phase change are significant issues in a design of wide range of industrial processes and devices. This book includes 25 advanced and revised contributions, and it covers mainly (1) numerical modeling of heat transfer, (2) two phase flow, (3).

NUMERICAL MODELING OF TWO-PHASE FLOW 3 from [19], and moreover, solve the saturation equation by using the second-order central upwind scheme from [23]. The paper is organised as follows. Section 2 gives a description of the two-phase flow model, whereas Section 3 discusses two different implicit pressure explicit saturation (IMPES) formu.

Numerical simulation research on flow pattern of gas-water two-phase flow in horizontal pipeline Abstract: With the exploration and development of oil and gas resources in ocean, desert, polar and other regions, multiphase transport technology has been more widely used.

Analysis of Two-Phase Flow Pattern Maps 8 3. Taitel and Dukler’s map Description of the map The Taitel and Dukler’s () map (Taitel and Dukler, ) is the most widely used flow pattern map for horizontal two-phase flow.

This map is based on a semi-theoretical method, and it is computationally more difficult to use than other flow maps.Flow Analysis 35 Care must be taken, that the appropriate mean flow velocity is used in each term for each individual length of pipe and each minor loss.

The third group represents major losses due to components within a system that the fluid must flow through. Fig. - Conservation of Mechanical Energy Minor Losses.Two-phase flow is a flow in which two different aggregate states of a substance or of two different substances are simultaneously present.

The possible combinations include gaseous/liquid (see Gas content of fluid handled), gaseous/solid and liquid/solid (see Solids transport). Examples of two-phase flow are transport processes where one medium is transported in another (e. g. hydraulic or.