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Thursday, July 23, 2020 | History

3 edition of Studies of two phase flow found in the catalog.

Studies of two phase flow

Studies of two phase flow

final report for NASA-JSC grant NAG 9-546, September, 1991 - November, 1993

  • 153 Want to read
  • 16 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Gas dynamics.,
  • Reduced gravity environments.

  • Edition Notes

    StatementLarry C. Witte.
    Series[NASA contractor report] -- NASA CR-195099., NASA contractor report -- NASA CR-195099.
    ContributionsUnited States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14707694M

      Examples of modelling and experiments on He II two-phase flow include: “He II Two Phase Flow in an Inclinable 22 m Long Line,” B. Rousset et al., Vol. 45a () and “An experimental and numerical study of He II two-phase flow in the TESLA test facility,” Yu Xiang, et al. Cryogenics 42 ().   Two Phase Flow Liquid-Gas System Design Martin King. The design of two-phase liquid-gas pipe flow systems is a complex process. It can be common practice for engineers to use template design calculation sheets for two-phase systems. These calculation sheets often utilize rules-of-thumb as part of the template for design.

    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. Gas-liquid flow in inclined pipes was investigated to determine the erect of pipe inclination angle on liquid holdup and pressure loss. Correlations for liquid holdup and friction factor were developed for predicting pressure gradients for two-phase flow in pipes at all angles for many flow pressure gradients for two-phase flow in pipes at all angles for many flow conditions.

    Beggs, H. D. and Brill, J. P. () A study of two-phase flow in inclines Pipes, J. Petroleum Tch., 25, Friedel, L. () Improved friction pressure drop correlations for horizontal and vertical two-phase pipe flow. A Study on the Measurement of the Local Void Fraction by the Optical Fiber Glass Probe: 1st Report, On the Method for Measurement of the Local Void Fraction in a Liquid Metal Two Phase Flow.


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Studies of two phase flow Download PDF EPUB FB2

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. Churn flow, also referred to as froth flow is a highly disturbed flow of two-phase fluid flow. Increasing velocity of a slug flow causes that the structure of the flow becomes unstable.

The churn flow is characterized by the presence of a very thick and unstable liquid film, with the liquid often oscillating up and down. On the other hand, studies by Pan () have shown that the classical two-phase flow correlations for gas–liquid two-phase flows can be used as the basis in the determination of three-phase flow parameters; however, the generality of such empirical approaches is obviously questionable.

Hence, an appropriate model is required to describe the. It can be a solid, a liquid, or a gas. Multiphase flow is the simultaneous flow of several phases. The study of multiphase flow is very important in energy-related industries and applications.

The simplest case of multiphase flow is two-phase flow. Two-phase flow can be solid-liquid flow, liquid-liquid flow, gas-solid flow, and gas-liquid by: This chapter provides physical insight to some representative two-phase flow applications.

It presents computational two-phase flow case studies that demonstrate the use of basic principles and may convey physical insight by means of a comparison study and a design project employing the "mixture flow" : Clement Kleinstreuer.

Book Description. 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 turbulent.

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.

Annular Two-Phase Flow presents the wide range of industrial applications of annular two-phase flow regimes. This book discusses the fluid dynamics and heat transfer aspects of the flow pattern.

Organized into 12 chapters, this book begins with an overview of the classification of the various types of interface distribution observed in practice. 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.

The study of Choi et al. showed that mass flux, heat flux, inner tube, and saturation temperature all have affected the two-phase flow pressure drop of propane in minichannels. The effect of mass flux on the pressure drop is shown in Fig.

Get this from a library. Study of two-phase metastable flow. [Richard W Bryers; William S Hsieh; Foster Wheeler Corporation.; United States. Office of Saline Water.]. Study of two phase flow in horizontal pipeline: Liquid-Liquid System [Samir Wankhede, Arun Kumar Jana] on *FREE* shipping on qualifying offers.

Written by Mr. Samir Vasant Wankhede, who has completed his from 'National institute of. CiteScore: ℹ CiteScore: CiteScore measures the average citations received per peer-reviewed document published in this title.

CiteScore values are based on citation counts in a range of four years (e.g. ) to peer-reviewed documents (articles, reviews, conference papers, data papers and book chapters) published in the same four calendar years, divided by.

Abstract. In these notes the most common measurement techniques for two-phase flows are reviewed. The working principles and the configurations of instruments for void fraction measurements, flow visualization and velocity measurements are presented; in detail: radiation attenuation, optical and electrical impedance techniques for void fraction measurement.

The average velocity of gas phase flow (ug) is defined as the volumetric flow rate of gas phase (Q g) divided by the pipe cross-sectional area occupied by the gas phase flow (Ag). g gg g g QQ U u AA (15) In order to characterize a two-phase flow, the. Thermo-Fluid Dynamics of Two-Phase Flow, Second Edition focuses on the fundamental physics of two-phase flow.

The authors present the detailed theoretical foundation of multi-phase flow. gas and liquid velocities, and flow regime map along the wellbore.

These results are displayed both in rc.r tabular and graphic forms. -Two types of inflowloutflow performance curves are provided, based on the solution node the user chooses. If the bottom-hole node is selected, the program displays two sets of bottom-hole pressures.

Books. Publishing Support. Login. Login. Forgotten password. Create account. Benefits of a My IOPscience account. Login via Athens/your Institution. Primary search Search. Article Lookup.

Find article List of journal titles. Two component flow Flow with phase change ENERGY CONVERSION IN PUMPS AND TURBINES Multiphase flows in pumps 9 HOMOGENEOUS FLOWS INTRODUCTION EQUATIONS OF HOMOGENEOUS FLOW SONIC SPEED Basic analysis Sonic speeds at higher frequencies.

The complexity of this two-way cou-pling presents a major challenge in the study of multiphase flows and there is much that remains to be done before even a superficial understanding is achieved. An appropriate starting point is a phenomenological description of the geometric distributions orflow patterns thatareobservedincommonmulti-phase.

Best book for theory of Two-Phase flow and Two-Fluid modeling is Thermo-Fluid Dynamics of Two-Phase Flow (By Ishii and Hibiki). Best book for numerical modeling of two-phase flows is Direct Numerical Simulations of Gas–Liquid Multiphase Flows | C.Reviewed by Lin Liu, Assistant Professor, University of Kansas on 11/15/ Comprehensiveness rating: 3 see less.

This book covers many basic and important concepts of fluid mechanics, such as fluid statics, potential flow, compressible flows in one-dimensional and two-dimensional, and multi-phase flow.1. Principles of two-phase flow Fluid property correlations Vertical flow Horizontal flow Inclined flow Flow through restrictions - .