Modeling And Simulation Of Complete Liquid Vapor Phase Change Process Inside Porous Media

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Modeling and simulation of complete liquid-vapor phase change process inside porous media

Author : Omar Rafae Mahmood Al Omar
Publisher : Cuvillier Verlag
ISBN 13 : 3736983700
Total Pages : 218 pages
Book Rating : 4.7/5 (369 download)

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Book Synopsis Modeling and simulation of complete liquid-vapor phase change process inside porous media by : Omar Rafae Mahmood Al Omar

Download or read book Modeling and simulation of complete liquid-vapor phase change process inside porous media written by Omar Rafae Mahmood Al Omar and published by Cuvillier Verlag. This book was released on 2016-10-17 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work deals with modeling and numerical simulation of fluid flow and heat transfer associated with phase change process inside both isotropic and anisotropic porous media, based on the Two-Phase Mixture Model (TPMM) along with the assumption of Local Thermal Equilibrium (LTE) and Non-Equilibrium (LTNE) conditions. In particular, it demonstrates the necessity and usefulness of a newly proposed smoothing algorithm for handling the sharp discontinuities in the effective diffusion coefficient in order to avoid the occurrence of non-physical “jump” in the predicted temperature distribution during the numerical simulation of the complete phase change process inside porous media. For the purpose of demonstration, one- and two-dimensional phase change problems operated in the Darcy flow regime have been considered.The Finite Volume Method (FVM) has been used on both staggered and non-staggered grid layouts in order to solve the governing conservation equations. In this work, after critically analyzing the drawbacks of the existing enthalpy formulation based on TPMM, a modified formulation has been also developed that can easily accommodate substantial density variations in the single phase regions. The results obtained from the modified enthalpy formulation have been compared with that predicted by the existing modified volumetric enthalpy formulation and excellent agreements have been observed for all tested cases. A thorough parametric study, using both LTE and LTNE models, indicates that the adoption of the proposed smoothing algorithm successfully eliminates “jump” in the predicted temperature distribution and does not alter the overall energy and momentum balance. All tested cases, covering applicable ranges of parametric variations, could be physically interpreted. The methodology is, therefore, recommended for future simulations of complete phase change process inside porous media. The results also show that the modified enthalpy formulation requires significantly less computation time thanmodified volumetric enthalpy formulation.

IMDC-SDSP 2020

Author : Raed Abd-Alhameed
Publisher : European Alliance for Innovation
ISBN 13 : 163190261X
Total Pages : 1619 pages
Book Rating : 4.6/5 (319 download)

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Book Synopsis IMDC-SDSP 2020 by : Raed Abd-Alhameed

Download or read book IMDC-SDSP 2020 written by Raed Abd-Alhameed and published by European Alliance for Innovation. This book was released on 2020-09-09 with total page 1619 pages. Available in PDF, EPUB and Kindle. Book excerpt: IMDC-SDSP conference offers an exceptional platform and opportunity for practitioners, industry experts, technocrats, academics, information scientists, innovators, postgraduate students, and research scholars to share their experiences for the advancement of knowledge and obtain critical feedback on their work. The timing of this conference coincides with the rise of Big Data, Artificial Intelligence powered applications, Cognitive Communications, Green Energy, Adaptive Control and Mobile Robotics towards maintaining the Sustainable Development and Smart Planning and management of the future technologies. It is aimed at the knowledge generated from the integration of the different data sources related to a number of active real-time applications in supporting the smart planning and enhance and sustain a healthy environment. The conference also covers the rise of the digital health, well-being, home care, and patient-centred era for the benefit of patients and healthcare providers; in addition to how supporting the development of a platform of smart Dynamic Health Systems and self-management.

A Study of Vapor-liquid Flow in Porous Media

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis A Study of Vapor-liquid Flow in Porous Media by :

Download or read book A Study of Vapor-liquid Flow in Porous Media written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We study the heat transfer-driven liquid-to-vapor phase change in single-component systems in porous media by using pore network models and flow visualization experiments. Experiments using glass micromodels were conducted. The flow visualization allowed us to define the rules for the numerical pore network model. A numerical pore network model is developed for vapor-liquid displacement where fluid flow, heat transfer and capillarity are included at the pore level. We examine the growth process at two different boundary conditions.

2023 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2023) Proceedings

Author : Song Fu
Publisher : Springer Nature
ISBN 13 : 981974010X
Total Pages : 1991 pages
Book Rating : 4.8/5 (197 download)

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Book Synopsis 2023 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2023) Proceedings by : Song Fu

Download or read book 2023 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2023) Proceedings written by Song Fu and published by Springer Nature. This book was released on with total page 1991 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Liquid Vapor Phase Change Phenomena

Author : Van P. Carey
Publisher : CRC Press
ISBN 13 : 1351434861
Total Pages : 732 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Liquid Vapor Phase Change Phenomena by : Van P. Carey

Download or read book Liquid Vapor Phase Change Phenomena written by Van P. Carey and published by CRC Press. This book was released on 2018-05-02 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid-Vapor Phase-Change Phenomena presents the basic thermophysics and transport principles that underlie the mechanisms of condensation and vaporization processes. The text has been thoroughly updated to reflect recent innovations in research and to strengthen the fundamental focus of the first edition. Starting with an integrated presentation of the nonequilibrium thermodynamics and interfacial phenomena associated with vaporization and condensation, coverage follows of the heat transfer and fluid flow mechanisms in such processes. The second edition includes significant new material on the nanoscale and microscale thermophysics of boiling and condensation phenomena and the use of advanced computational tools to create new models of phase-change events. The importance of basic phenomena to a wide variety of applications is emphasized and illustrated throughout using examples and problems. Suitable for senior undergraduate and first-year graduate students in mechanical or chemical engineering, the book can also be a helpful reference for practicing engineers or scientists studying the fundamental physics of nucleation, boiling and condensation.

Advances in Numerical Heat Transfer, Volume 2

Author : W. Minkowycz
Publisher : Routledge
ISBN 13 : 1351468251
Total Pages : 245 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Advances in Numerical Heat Transfer, Volume 2 by : W. Minkowycz

Download or read book Advances in Numerical Heat Transfer, Volume 2 written by W. Minkowycz and published by Routledge. This book was released on 2018-12-13 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume discusses the advances in numerical heat transfer modeling by applying high-performance computing resources, striking a balance between generic fundamentals, specific fundamentals, generic applications, and specific applications.

Handbook of Porous Media

Author : Kambiz Vafai
Publisher : CRC Press
ISBN 13 : 1439885575
Total Pages : 946 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Handbook of Porous Media by : Kambiz Vafai

Download or read book Handbook of Porous Media written by Kambiz Vafai and published by CRC Press. This book was released on 2015-06-23 with total page 946 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Porous Media, Third Edition offers a comprehensive overview of the latest theories on flow, transport, and heat-exchange processes in porous media. It also details sophisticated porous media models which can be used to improve the accuracy of modeling in a variety of practical applications. Featuring contributions from leading experts i

Convective Heat Transfer in Porous Media

Author : Yasser Mahmoudi
Publisher : CRC Press
ISBN 13 : 0429670559
Total Pages : 366 pages
Book Rating : 4.4/5 (296 download)

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Book Synopsis Convective Heat Transfer in Porous Media by : Yasser Mahmoudi

Download or read book Convective Heat Transfer in Porous Media written by Yasser Mahmoudi and published by CRC Press. This book was released on 2019-11-06 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on heat transfer in porous media, this book covers recent advances in nano and macro’ scales. Apart from introducing heat flux bifurcation and splitting within porous media, it highlights two-phase flow, nanofluids, wicking, and convection in bi-disperse porous media. New methods in modeling heat and transport in porous media, such as pore-scale analysis and Lattice–Boltzmann methods, are introduced. The book covers related engineering applications, such as enhanced geothermal systems, porous burners, solar systems, transpiration cooling in aerospace, heat transfer enhancement and electronic cooling, drying and soil evaporation, foam heat exchangers, and polymer-electrolyte fuel cells.

Mass Transfer Driven Evaporation From Capillary Porous Media

Author : Rui Wu
Publisher : CRC Press
ISBN 13 : 1000763404
Total Pages : 213 pages
Book Rating : 4.0/5 (7 download)

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Book Synopsis Mass Transfer Driven Evaporation From Capillary Porous Media by : Rui Wu

Download or read book Mass Transfer Driven Evaporation From Capillary Porous Media written by Rui Wu and published by CRC Press. This book was released on 2022-11-09 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mass Transfer–Driven Evaporation from Capillary Porous Media offers a comprehensive review of mass transfer–driven drying processes in capillary porous media, including pore-scale and macro-scale experiments and models. It covers kinetics of drying of a single pore, pore-scale experiments and models, macro-scale experiments and models, and understanding of the continuum model from pore-scale studies. The book: Explains the detailed transport processes in porous media during drying. Introduces cutting-edge visualization experiments of drying in porous media. Describes the pore network models of drying in porous media. Discusses the continuum models of drying in porous media based on pore-scale studies. Points out future research opportunities. Aimed at researchers, students and practicing engineers, this work provides vital fundamental and applied information to those working in drying technology, food processes, applied energy, and mechanical and chemical engineering.

Advances in Frontier Research on Engineering Structures Volume 1

Author : Yang Yang
Publisher : CRC Press
ISBN 13 : 1000835405
Total Pages : 747 pages
Book Rating : 4.0/5 (8 download)

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Book Synopsis Advances in Frontier Research on Engineering Structures Volume 1 by : Yang Yang

Download or read book Advances in Frontier Research on Engineering Structures Volume 1 written by Yang Yang and published by CRC Press. This book was released on 2023-02-08 with total page 747 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Frontier Research on Engineering Structures focuses on the research of advanced structures and anti-seismic design in civil engineering. The proceedings present the most cutting-edge research directions and achievements related to civil and structural engineering. Topics covered in the proceedings include: · Engineering Structure and Seismic Resistance · Structural Mechanics Analysis · Components and Materials · Structural Seismic Design · 3D Printing Concrete · Other Related Topics The works of this proceedings will promote development of civil and structural engineering, resource sharing, flexibility and high efficiency. Thereby, promote scientific information interchange between scholars from the top universities, research centers and high-tech enterprises working all around the world.

Comprehensive Membrane Science and Engineering

Author : Enrico Drioli
Publisher : Elsevier
ISBN 13 : 0444637966
Total Pages : 1709 pages
Book Rating : 4.4/5 (446 download)

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Book Synopsis Comprehensive Membrane Science and Engineering by : Enrico Drioli

Download or read book Comprehensive Membrane Science and Engineering written by Enrico Drioli and published by Elsevier. This book was released on 2017-07-20 with total page 1709 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Membrane Science and Engineering, Second Edition, Four Volume Set is an interdisciplinary and innovative reference work on membrane science and technology. Written by leading researchers and industry professionals from a range of backgrounds, chapters elaborate on recent and future developments in the field of membrane science and explore how the field has advanced since the previous edition published in 2010. Chapters are written by academics and practitioners across a variety of fields, including chemistry, chemical engineering, material science, physics, biology and food science. Each volume covers a wide spectrum of applications and advanced technologies, such as new membrane materials (e.g. thermally rearranged polymers, polymers of intrinsic microporosity and new hydrophobic fluoropolymer) and processes (e.g. reverse electrodialysis, membrane contractors, membrane crystallization, membrane condenser, membrane dryers and membrane emulsifiers) that have only recently proved their full potential for industrial application. This work covers the latest advances in membrane science, linking fundamental research with real-life practical applications using specially selected case studies of medium and large-scale membrane operations to demonstrate successes and failures with a look to future developments in the field. Contains comprehensive, cutting-edge coverage, helping readers understand the latest theory Offers readers a variety of perspectives on how membrane science and engineering research can be best applied in practice across a range of industries Provides the theory behind the limits, advantages, future developments and failure expectations of local membrane operations in emerging countries

Numerical Heat Transfer and Fluid Flow

Author : Suhas Patankar
Publisher : CRC Press
ISBN 13 : 1351991515
Total Pages : 218 pages
Book Rating : 4.3/5 (519 download)

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Book Synopsis Numerical Heat Transfer and Fluid Flow by : Suhas Patankar

Download or read book Numerical Heat Transfer and Fluid Flow written by Suhas Patankar and published by CRC Press. This book was released on 2018-10-08 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on heat and mass transfer, fluid flow, chemical reaction, and other related processes that occur in engineering equipment, the natural environment, and living organisms. Using simple algebra and elementary calculus, the author develops numerical methods for predicting these processes mainly based on physical considerations. Through this approach, readers will develop a deeper understanding of the underlying physical aspects of heat transfer and fluid flow as well as improve their ability to analyze and interpret computed results.

Introduction to the Numerical Modeling of Groundwater and Geothermal Systems

Author : Jochen Bundschuh
Publisher : CRC Press
ISBN 13 : 0203848101
Total Pages : 522 pages
Book Rating : 4.2/5 (38 download)

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Book Synopsis Introduction to the Numerical Modeling of Groundwater and Geothermal Systems by : Jochen Bundschuh

Download or read book Introduction to the Numerical Modeling of Groundwater and Geothermal Systems written by Jochen Bundschuh and published by CRC Press. This book was released on 2010-07-05 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an introduction to the scientific fundamentals of groundwater and geothermal systems. In a simple and didactic manner the different water and energy problems existing in deformable porous rocks are explained as well as the corresponding theories and the mathematical and numerical tools that lead to modeling and solving them. This

Applied mechanics reviews

Author :
Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Applied mechanics reviews by :

Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Gas Transport in Porous Media

Author : Clifford K. Ho
Publisher : Springer Science & Business Media
ISBN 13 : 140203962X
Total Pages : 442 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Gas Transport in Porous Media by : Clifford K. Ho

Download or read book Gas Transport in Porous Media written by Clifford K. Ho and published by Springer Science & Business Media. This book was released on 2006-10-07 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: CLIFFORD K. HOAND STEPHEN W. WEBB Sandia National Laboratories, P. O. Box 5800, Albuquerque, NM 87185, USA Gas and vapor transport in porous media occur in a number of important applications includingdryingofindustrialandfoodproducts,oilandgasexploration,environm- tal remediation of contaminated sites, and carbon sequestration. Understanding the fundamental mechanisms and processes of gas and vapor transport in porous media allows models to be used to evaluate and optimize the performance and design of these systems. In this book, gas and vapor are distinguished by their available states at stan- ? dard temperature and pressure (20 C, 101 kPa). If the gas-phase constituent can also exist as a liquid phase at standard temperature and pressure (e. g. , water, ethanol, toluene, trichlorothylene), it is considered a vapor. If the gas-phase constituent is non-condensable at standard temperature and pressure (e. g. , oxygen, carbon di- ide, helium, hydrogen, propane), it is considered a gas. The distinction is important because different processes affect the transport and behavior of gases and vapors in porous media. For example, mechanisms specific to vapors include vapor-pressure lowering and enhanced vapor diffusion, which are caused by the presence of a g- phase constituent interacting with its liquid phase in an unsaturated porous media. In addition, the “heat-pipe” exploits isothermal latent heat exchange during evaporation and condensation to effectively transfer heat in designed and natural systems.

Numerical Study on Liquid-vapor Phase Change with Applications in Vapor Bubble Dynamics

Author : Raunak Bardia
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (126 download)

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Book Synopsis Numerical Study on Liquid-vapor Phase Change with Applications in Vapor Bubble Dynamics by : Raunak Bardia

Download or read book Numerical Study on Liquid-vapor Phase Change with Applications in Vapor Bubble Dynamics written by Raunak Bardia and published by . This book was released on 2020 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a detailed analysis of vapor bubble dynamics and the interfacial process of liquid-vapor phase change. A spherically symmetric model for a single vapor bubble is employed to present a numerical and theoretical analysis of the intermediate bubble collapse, where, in contrast to the thermally induced or inertia dominated collapse, both the effects of liquid-vapor interfacial heat transfer and the advection of the surrounding liquid play an important role. The contrast in thermal, intermediate, and inertial behavior of collapse is represented in the form of a regime map defined by two non-dimensional quantities, Bsat and Îl, which can be directly evaluated from the initial system conditions of collapse. The same model is also used to simulate a spherically symmetric bubble growth configuration to assess the physical validity of a constant interface temperature assumption made by Highly-Resolved Simulation (HRS) studies aimed at solving flows undergoing phase change. Results show that HRS predictions are inaccurate during the initial period of bubble growth, which coincides with the inertial growth stage. A closed-form expression for a threshold time is derived, beyond which the commonly employed HRS assumptions hold. Forgoing the limitation of spherical symmetry, the second theme of this thesis is on the development of a general two-phase flow solver that can handle the phase change process. Under a finite volume framework using a geometric Volume of Fluid (gVoF) approach, two key challenges with phase change flows have been addressed in this work, namely, (i) added deformation of the interface, and (ii) capture of velocity and pressure gradient discontinuity at the interface, both caused due to phase change. To track the interface in the gVoF scheme, an effective flux is defined that captures the effect of phase change on interface motion. This method improves upon the source term approach used in other studies. For the solution of velocity and pressure, a ghost fluid approach has been implemented, which is the first of its kind in a VoF-based phase change solver.

Advances In Water Desalination Technologies

Author : Yoram Cohen
Publisher : World Scientific
ISBN 13 : 9811226997
Total Pages : 652 pages
Book Rating : 4.8/5 (112 download)

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Book Synopsis Advances In Water Desalination Technologies by : Yoram Cohen

Download or read book Advances In Water Desalination Technologies written by Yoram Cohen and published by World Scientific. This book was released on 2021-06-08 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents chapters from world leaders on water desalination advances with respect to processes, separations materials, and energy and environmental considerations. It provides a balanced discussion of the mature and newer desalination technologies and provides a fundamental assessment of the potential of emerging approaches. Realistic assessments for the feasibility of energy extraction from salinity gradients, desalting high salinity source water, membrane distillation, capacitive deionization, are among the topics discussed. Also, among the topics discussed in the book are recent advances in the desalination application of nanomaterials, carbon nanotubes, and surface structuring of membranes.