Flow Regime Transitions In Horizontal Gas Liquid Flow PDF Download

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Gas-liquid Transient Flow in Horizontal Pipes

Gas-liquid Transient Flow in Horizontal Pipes
Author:
Publisher:
Total Pages:
Release: 1977
Genre:
ISBN:
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Recent studies (Taitel and Dukler, 1976) have provided a method for predicting conditions for flow regime transitions by modelling the actual physical processes taking place. This work was concerned only with steady flow conditions. Of considerable importance to the analysis of a Loss of Cooling Accident is the ability to predict the flow regime under conditions of transient flow. This report extends the steady state method of analysis to that of transient flow. It is shown that under transient conditions the transitions between flow patterns can occur at flow rates different than that which will take place if the changes in flow rate were to take place infinitely slowly. Furthermore, for rapid changes in flow rates from one set of conditions to another, flow regimes can appear which would not be observed if the change were made slowly. The theory for flow regime changes under transient flow conditions is developed and methods for predicting the onset of transition under transients presented. Experimental confirmation of the theory is described.

Annular Two-Phase Flow

Annular Two-Phase Flow
Author: Geoffrey Hewitt
Publisher: Elsevier
Total Pages: 327
Release: 2013-10-22
Genre: Technology & Engineering
ISBN: 1483285235
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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 text then examines the various regimes of two-phase flow with emphasis on the regions of occurrence of the annular flow regime. Other chapters consider the single momentum and energy balances, which illustrate the differences and analogies between single- and two-phase flows. This book discusses as well the simple modes for annular flow with consideration to the calculation of the profile of shear stress in the liquid film. The final chapter deals with the techniques that are developed for the measurement of flow pattern, entrainment, and film thickness. This book is a valuable resource for chemical engineers.

Multiphase Science and Technology

Multiphase Science and Technology
Author: G.F. Hewitt
Publisher: Springer Science & Business Media
Total Pages: 495
Release: 2013-11-11
Genre: Science
ISBN: 3662016575
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This is the second volume of Multiphase Science and TechnoJogy, a new international series of books intended to provide authoritative overviews of im portant areas in multiphase systems. The alm is to have systematic and tutorial presentations of the state of knowledge in various areas. The objective of the chapters is to allow the nonspecialist reader to gain an up-to-date idea of the present state of development in a given subject. The response to Volume 1 of the se ries has been very positive, and we believe that the present volume will be equally weil received. Volume 1 was concerned entirely with gas-liquid systems, and the first four chapters of the present volume also relate to such systems. However, the inten tion of the se ries is to cover a wide range of multiphase systems, and we are, therefore, pleased to include in the present volume chapters that refer to liquid liquid and gas-solid multiphase flows, respectively. The first chapter in the present volume is by Professor A. E. Dukler of the University of Houston, Texas, and Professor Y. Taitel of Tel-Aviv University, Israel.

Physics of Gas-Liquid Flows

Physics of Gas-Liquid Flows
Author: Thomas J. Hanratty
Publisher: Cambridge University Press
Total Pages: 359
Release: 2013-10-31
Genre: Technology & Engineering
ISBN: 1107512972
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Presenting tools for understanding the behaviour of gas-liquid flows based on the ways large scale behaviour relates to small scale interactions, this text is ideal for engineers seeking to enhance the safety and efficiency of natural gas pipelines, water-cooled nuclear reactors, absorbers, distillation columns and gas lift pumps. The review of advanced concepts in fluid mechanics enables both graduate students and practising engineers to tackle the scientific literature and engage in advanced research. It focuses on gas-liquid flow in pipes as a simple system with meaningful experimental data. This unified theory develops design equations for predicting drop size, frictional pressure losses and slug frequency, which can be used to determine flow regimes, the effects of pipe diameter, liquid viscosity and gas density. It describes the effect of wavy boundaries and temporal oscillations on turbulent flows, and explains transition between phases, which is key to understanding the behaviour of gas-liquid flows.

Two-phase Flow and Heat Transfer

Two-phase Flow and Heat Transfer
Author: David Butterworth
Publisher:
Total Pages: 514
Release: 1979
Genre: Fluid mechanics
ISBN: 9780198517184
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