Download or read book Experimental Study and Modeling of Co current Two phase Gas shear thinning Liquid Flow in Upward Vertical Concentric Annulus written by Victor Hugo Lema Villalobos and published by . This book was released on 2020 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Two Phase Gas Liquid Flow in Pipes with Different Orientations written by Afshin J. Ghajar and published by Springer Nature. This book was released on 2020-03-14 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book An Index to the Two phase Gas liquid Flow Literature written by S. William Gouse and published by . This book was released on 1966 with total page 902 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1989 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Experimental Analysis and Theoretical Modeling of High Liquid Viscosity Two Phase Upward Vertical Pipe Flow written by Feras A. S. Alruhaimani and published by . This book was released on 2015 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mechanistic Modeling of Gas liquid Two phase Flow in Pipes written by Ovadia Shoham and published by . This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this book are twofold: to provide insight and understanding of two-phase flow phenomena and to develop analytical tools for either designing two-phase flow systems or conducting research in this area. The traditional approach for two-phase flow prediction was based on the development of an empirical correlation from experimental data. This book presents the recent approach, in which mathematical mechanistic models are developed, based on the physical phenomena, to predict two-phase flow behavior. The models can be verified and refined with limited experimental data. However, as these models incorporate the physical phenomena and the important flow variables, they can be extended to different operational conditions and can enable scaleup with significant confidence.
Download or read book Upward Cocurrent Gas liquid Two phase Flow in Vertical Tubes written by Nambi Shanmugam and published by . This book was released on 1994 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Theoretical Chemical Engineering Abstracts written by and published by . This book was released on 1980 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Two phase gas liquid cocurrent flow written by Van Thanh Nguyen and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1970 with total page 1352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Experimental and Modeling Studies for Gas liquid Two phase Flow in Slightly Inclined Pipes at Low and High pressure Conditions written by Plat Abduvayt and published by . This book was released on 2003 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Modeling of Gas liquid Flow in Upward Vertical Annuli written by Tingting Yu and published by . This book was released on 2009 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Direct Numerical Simulations of Gas Liquid Multiphase Flows written by Grétar Tryggvason and published by Cambridge University Press. This book was released on 2011-03-10 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accurately predicting the behaviour of multiphase flows is a problem of immense industrial and scientific interest. Modern computers can now study the dynamics in great detail and these simulations yield unprecedented insight. This book provides a comprehensive introduction to direct numerical simulations of multiphase flows for researchers and graduate students. After a brief overview of the context and history the authors review the governing equations. A particular emphasis is placed on the 'one-fluid' formulation where a single set of equations is used to describe the entire flow field and interface terms are included as singularity distributions. Several applications are discussed, showing how direct numerical simulations have helped researchers advance both our understanding and our ability to make predictions. The final chapter gives an overview of recent studies of flows with relatively complex physics, such as mass transfer and chemical reactions, solidification and boiling, and includes extensive references to current work.
Download or read book Upward Gas liquid Flow in Concentric and Eccentric Annular Spaces written by Pedro Cavalcanti de Sousa and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A limited amount of work exists on upward gas-liquid flow in annular spaces. This is a common scenario in drilling operations, especially in underbalanced drilling, and in high-production wells. To carry out this study, a 40-meter high laboratory facility with an annulus flow loop composed of a 5-1/2 in. outer-pipe and a 2-3/8 in. inner-pipe was used, with tap water as the liquid phase and compressed-air as the gas phase. This work's objective was to phenomenologically characterize gas-liquid flow in annular space, investigate possible causes of unexpected periodic formation of liquid slugs in the annulus, assess potential effects of eccentricity of the inner pipe, extract empirical relationships between two-phase flow parameters (e.g. pressure drop, holdup, and Reynolds, Weber and Froude numbers) for both concentric and eccentric configurations, investigate production hysteresis effects on test results, and test ramp-up sequences to try to mimic possible subsequent accumulation of liquid in the annulus. The findings from this work revealed that total pressure drops in concentric and eccentric cases are similar at high gas superficial velocities; however, trends suggest that an eccentric inner pipe causes higher pressure drops at low gas superficial velocities. This is probably due to observed local liquid accumulations around the couplings of the inner pipe when in eccentric configuration. The presence of couplings affects the stability of the Taylor bubble in seemingly slug flows. No liquid accumulation was seen in any of the hysteresis or ramp-up scenarios tested. In ramp-up tests, pressure gradient spikes at the beginning of each test were found to be strongly dependent on the ramp slope. This work contributes to the understanding of gas-liquid flow phenomena observed in the field, both in wells and in risers, when localized liquid flow reversal and/or accumulation may lead to gas production impairments. This work also sheds some light on how to best operate wells and facilities, and particularly on how to manage production ramp-ups. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/151914
Download or read book Analysis of Various Types of Two phase Annular Flow written by S. Levy and published by . This book was released on 1963 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rapid Transient Two phase Flow of Vaporizing Liquids Containing Dissolved Gas written by Thomas R. Palmer and published by . This book was released on 2001 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt: The focus of this study is on the transient two-phase flow resulting from the fast depressurization of vaporizing liquids where a cover gas has been employed. An experimental test facility was designed and fabricated to study two-species, two-phase flows for assessment to two predictive models, a state-of-the-art computer code and a simplified homogeneous flow model. In our experiments, a volatile fluid is held in a tank at high pressure, in equilibrium with a blanket of nitrogen gas, which dissolves into the fluid. At the start, the tank is rapidly depressurized, the liquid vaporizes and the nitrogen in the liquid degasses, leading to the formation of multiphase (i.e., gas and liquid) flow in the exit lines. Two-phase phenomena was observed in all of the 21 experiments conducted, where pressure decay in the system showed distinct regions where two-phase phenomena occurred with an initial region of the system filling with fluid, to a two-phase discharge region, to a final venting of the remaining gas and vapor. Measurements of void fraction and mass flow were also obtained and reiterated these observations by showing the regions with high void and when the fluid had finished its discharge. A one-dimensional, transient, two-phase model was developed to explain the observed results. The dynamic equations are modeled using a single-phase incompressible fluid model as a base, with the addition of a nitrogen release model to give a simple, two-phase predictive model, which was then compared to experimental data to judge its effectiveness. The model did exceptionally well when modeling the discharge rate of two different test fluids containing dissolved nitrogen gas, refrigerants HFC-227ea and HFC-125, over a range of initial operating pressures. The predictive ability of the output from the current state-of-the-art computer code FSP was also assessed by the experimental data and compared to the simplified model. This code uses a two-fluid model of two-phase flow with constitutive equations to specify the interfacial transport terms. It was found that the data was a thorough benchmark for testing this code, which in turn proved to do a reasonable job in predicting the transient, two-phase data.
Download or read book Petroleum Abstracts written by and published by . This book was released on 1992 with total page 1716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
