Characterization of Single-phase and Two-phase Flow in Vertical-to-horizontal Pipe Connected Via 90-degree Elbow PDF Download
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Author: Christopher J. Ulmer Publisher: ISBN: Category : Languages : en Pages : 50
Book Description
Pressure measurements are taken for single-phase water and two-phase air-water flow at the Advanced Multi-Phase Flow Laboratory. Vertical and horizontal flow sections are available for measurement. The test section incorporates minor losses via 90-degree elbow. Pressure drop data is compared with predictions given by established models. Increased pressure losses are found with increasing liquid and gas flow rates. Geometric effects of elbows are observed as minor loss. Six single-phase flow conditions are considered. Single-phase pressure models include both major and minor losses. An average error of 7.6% is found for the pressure drop across the test section for all flow conditions. Five two-phase flow conditions are considered. The effects of phase interaction on pressure loss are observed. An average error between model and data is found to be 4.8% across the vertical section and 1.4% across the entire test section for all flow conditions.
Author: Christopher J. Ulmer Publisher: ISBN: Category : Languages : en Pages : 50
Book Description
Pressure measurements are taken for single-phase water and two-phase air-water flow at the Advanced Multi-Phase Flow Laboratory. Vertical and horizontal flow sections are available for measurement. The test section incorporates minor losses via 90-degree elbow. Pressure drop data is compared with predictions given by established models. Increased pressure losses are found with increasing liquid and gas flow rates. Geometric effects of elbows are observed as minor loss. Six single-phase flow conditions are considered. Single-phase pressure models include both major and minor losses. An average error of 7.6% is found for the pressure drop across the test section for all flow conditions. Five two-phase flow conditions are considered. The effects of phase interaction on pressure loss are observed. An average error between model and data is found to be 4.8% across the vertical section and 1.4% across the entire test section for all flow conditions.
Author: Efstathios Michaelides Publisher: CRC Press ISBN: 1498701019 Category : Science Languages : en Pages : 1421
Book Description
The Multiphase Flow Handbook, Second Edition is a thoroughly updated and reorganized revision of the late Clayton Crowe’s work, and provides a detailed look at the basic concepts and the wide range of applications in this important area of thermal/fluids engineering. Revised by the new editors, Efstathios E. (Stathis) Michaelides and John D. Schwarzkopf, the new Second Edition begins with two chapters covering fundamental concepts and methods that pertain to all the types and applications of multiphase flow. The remaining chapters cover the applications and engineering systems that are relevant to all the types of multiphase flow and heat transfer. The twenty-one chapters and several sections of the book include the basic science as well as the contemporary engineering and technological applications of multiphase flow in a comprehensive way that is easy to follow and be understood. The editors created a common set of nomenclature that is used throughout the book, allowing readers to easily compare fundamental theory with currently developing concepts and applications. With contributed chapters from sixty-two leading experts around the world, the Multiphase Flow Handbook, Second Edition is an essential reference for all researchers, academics and engineers working with complex thermal and fluid systems.
Author: Munzarin Morshed Publisher: ISBN: Category : Languages : en Pages :
Book Description
The characteristics of multiphase fluid flow in pipes are useful to understand fluid dynamics encountered in the oil and gas, chemical and production industries. During the transport of different types of fluid, understanding the hydrodynamic behavior inside the pipe network is important for flow assurance. The presence of relative agitation in the interfaces and inconstant interactions among distinct phases, multiphase flow becomes a complex conveyance phenomenality in contrast to single-phase flow. This study is focused on gas/Newtonian and gas/non-Newtonian two-phase horizontal flow structure. This investigation ranges from analyzing volume fraction, pressure drop, flow regime identification, flow structure analysis, etc. This involves recognition of the two-phase flow regimes for this flow loop and validates it with the existing flow maps in the literature. In another study, slug frequency has been examined and compared with air/Newtonian and air/non-Newtonian fluid in the flow loop. Finally, wavelet packet transformation is used to decomposition pressure signals for different flow pattern.
Author: Afshin J. Ghajar Publisher: Springer Nature ISBN: 3030416267 Category : Science Languages : en Pages : 136
Book Description
This book provides design engineers using gas-liquid two-phase flow in different industrial applications the necessary fundamental understanding of the two-phase flow variables. Two-phase flow literature reports a plethora of correlations for determination of flow patterns, void fraction, two- phase pressure drop and non-boiling heat transfer correlations. However, the validity of a majority of these correlations is restricted over a narrow range of two -phase flow conditions. Consequently, it is quite a challenging task for the end user to select an appropriate correlation/model for the type of two-phase flow under consideration. Selection of a correct correlation also requires some fundamental understanding of the two-phase flow physics and the underlying principles/assumptions/limitations associated with these correlations. Thus, it is of significant interest for a design engineer to have knowledge of the flow patterns and their transitions and their influence on two-phase flow variables. To address some of these issues and facilitate selection of appropriate two-phase flow models, this volume presents a succinct review of the flow patterns, void fraction, pressure drop and non-boiling heat transfer phenomenon and recommend some of the well scrutinized modeling techniques.
Author: Christopher J. Ulmer
Author: Christopher J. Ulmer
Author: Efstathios Michaelides
Author: 
Author: Munzarin Morshed
Author: Afshin J. Ghajar
Author: Stephen Jarvis
Author: Ryuhei Kaji
Author: Duncan Chisholm
Author: John H. Vohr
Author: S. William Gouse