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Author : M. R. H. Nobari
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (317 download)
Download or read book Numerical Simulations of Drop Collisions written by M. R. H. Nobari and published by . This book was released on 1994 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. R. H. Nobari
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (31 download)
Download or read book Numerical Simulations of Drop Collisions written by M. R. H. Nobari and published by . This book was released on 1994 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xueli Jiang
Publisher :
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.:/5 (319 download)
Download or read book Numerical Simulation of the Head-on Collisions of Two Equal-sized Drops written by Xueli Jiang and published by . This book was released on 2006 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mohammad Reza Heyrani Nobari
Publisher :
ISBN 13 :
Total Pages : 346 pages
Book Rating : 4.3/5 (91 download)
Download or read book Numerical Simulation of Oscillation, Collision, and Coalescence of Drops written by Mohammad Reza Heyrani Nobari and published by . This book was released on 1993 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722266721
Total Pages : 50 pages
Book Rating : 4.2/5 (667 download)
Download or read book Head-On Collision of Drops written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-05 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: The head-on collision of equal sized drops is studied by full numerical simulations. The Navier-Stokes equations are solved for fluid motion both inside and outside the drops using a front tracking/finite difference technique. The drops are accelerated toward each other by a body force that is turned off before the drops collide. When the drops collide, the fluid between them is pushed outward leaving a thin later bounded by the drop surface. This layer gets progressively thinner as the drops continue to deform and in several of the calculations this double layer is artificially removed once it is thin enough, thus modeling rupture. If no rupture takes place, the drops always rebound, but if the film is ruptured the drops may coalesce permanently or coalesce temporarily and then split again. Nobari, M. R. and Jan, Y.-J. and Tryggvason, G. Glenn Research Center NSF CTS-91-32140; NCC3-233; NAG3-1317; RTOP 505-90-5K...
Author : Roman Adrien Blancher
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (52 download)
Download or read book Numerical Simulations of High Speed Droplet Collision written by Roman Adrien Blancher and published by . This book was released on 2002 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (317 download)
Download or read book Head-on Collision of Drops: A Numerical Investigation written by and published by . This book was released on 1993 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. R. Nobari
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (31 download)
Download or read book Head-on Collision of Drops--a Numerical Investigation written by M. R. Nobari and published by . This book was released on 1993 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martin Rein
Publisher : Springer Science & Business Media
ISBN 13 : 9783211836927
Total Pages : 328 pages
Book Rating : 4.8/5 (369 download)
Download or read book Drop-Surface Interactions written by Martin Rein and published by Springer Science & Business Media. This book was released on 2002-10-30 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive overview of fluid mechanical, thermal and physico-chemical aspects of drop-surface interactions. Basic physical mechanisms pertaining to free-surface flow phenomena characteristic of drop impact on solid and liquid surfaces are explained emphasizing the importance of scaling. Moreover, physico-chemical fundamentals relating to a forced spreading of complex solutions, analytical tools for calculating compressibility effects, and heat transfer and phase change phenomena occurring during solidification and evaporation processes, respectively, are introduced in detail. Finally, numerical approaches particularly suited for modeling drop-surface interactions are consisely surveyed with a particular emphasis on boundary integral methods and Navier-Stokes algorithms (volume of fluid, level set and front tracking algorithms). The book is closed by contributions to a workshop on Drop-Surface Interactions held at the International Centre of Mechanical Sciences.
Author : Faical Tounsi
Publisher :
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.3/5 (91 download)
Download or read book Numerical Simulations of the Interactions of Vortices and Drops with Density Interfaces written by Faical Tounsi and published by . This book was released on 1995 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. A. Sirignano
Publisher : Cambridge University Press
ISBN 13 : 0521884896
Total Pages : 481 pages
Book Rating : 4.5/5 (218 download)
Download or read book Fluid Dynamics and Transport of Droplets and Sprays written by W. A. Sirignano and published by Cambridge University Press. This book was released on 2010-01-11 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the theoretical foundations of spray and droplet applications relevant to the technology for active control of sprays applied to new products and applications, improved product performance, cost reductions, and improved environmental outcomes. It also covers theory related to power and propulsion; materials processing and manufacturing technologies including droplet-based net form processing, coating, and painting; medication; pesticides and insecticides; and other consumer uses.
Author : Yang Ge
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (651 download)
Download or read book 3D Numerical Study on Droplet-solid Collisions in the Leidenfrost Regime written by Yang Ge and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: A 3-dimensional numerical model is developed to simulate the process of collision between an evaporative droplet and a high-temperature solid object in this study. Such phenomena are of direct relevance to many engineering problems. The simulation model of this study is built upon advanced DNS (direct numerical simulation) techniques, coupled with a finite-volume algorithm in the fixed Eulerian grid. The 3D level-set method is employed to portray the droplet surface variation during its deformation. The immersed boundary method is applied to impose the solid-fluid boundary condition at the particle surface. To account for the micro-scale resistant effect induced by the film-boiling evaporation of the droplet, a vapor flow model is developed to calculate the pressure and velocity distributions along the vapor layer between the droplet and the solid. The temperature fields in all phases and the evaporation rate on the droplet surface are illustrated using a full-field heat transfer model. The comparisons of the simulation result with the experimental observation reveal the accuracy of the model, and the convergence is analyzed and verified by using different grid sizes in the computation. For saturated impact, the oscillation of the thickness of the vapor layer and the temperature at solid surface are calculated and compared favorably with the experimental results. The sub-cooled impact yields a thinner vapor layer and a higher heat transfer rate compared to the saturated impacts, and thus the kinetic discontinuity at the liquid-vapor and solid-vapor boundaries in the slip flow regime need to be considered. The effects of the droplet's initial temperature are analyzed using the present model, and it shows that the droplet subcooling degree is significantly related to the thickness of the vapor layer and the heat flux at the solid surface. The collision process between an evaporative droplet and a high-temperature particle is investigated through numerical simulation and the experiment. The effects of the particle size and the collision velocity are examined numerically. Simulation model is further applied to study the oblique collision between the droplet and the particle. The effects of the obliquity on the outcome of the collision are analyzed.
Author : Grétar Tryggvason
Publisher : Cambridge University Press
ISBN 13 : 1139496700
Total Pages : 337 pages
Book Rating : 4.1/5 (394 download)
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.
Author : Olive Georgiana Engel
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.3/5 (91 download)
Download or read book Collisions of Liquid Drops with Liquids written by Olive Georgiana Engel and published by . This book was released on 1961 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.3/5 ( download)
Download or read book NCCS Science Highlights written by and published by . This book was released on with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. Drikakis
Publisher : Springer Science & Business Media
ISBN 13 : 0306484218
Total Pages : 390 pages
Book Rating : 4.3/5 (64 download)
Download or read book Turbulent Flow Computation written by D. Drikakis and published by Springer Science & Business Media. This book was released on 2006-04-11 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: In various branches of fluid mechanics, our understanding is inhibited by the presence of turbulence. Although many experimental and theoretical studies have significantly helped to increase our physical understanding, a comp- hensive and predictive theory of turbulent flows has not yet been established. Therefore, the prediction of turbulent flow relies heavily on simulation stra- gies. The development of reliable methods for turbulent flow computation will have a significant impact on a variety of technological advancements. These range from aircraft and car design, to turbomachinery, combustors, and process engineering. Moreover, simulation approaches are important in materials - sign, prediction of biologically relevant flows, and also significantly contribute to the understanding of environmental processes including weather and climate forecasting. The material that is compiled in this book presents a coherent account of contemporary computational approaches for turbulent flows. It aims to p- vide the reader with information about the current state of the art as well as to stimulate directions for future research and development. The book puts part- ular emphasis on computational methods for incompressible and compressible turbulent flows as well as on methods for analysing and quantifying nume- cal errors in turbulent flow computations. In addition, it presents turbulence modelling approaches in the context of large eddy simulation, and unfolds the challenges in the field of simulations for multiphase flows and computational fluid dynamics (CFD) of engineering flows in complex geometries. Apart from reviewing main research developments, new material is also included in many of the chapters.
Author : Alexander L. Yarin
Publisher : Cambridge University Press
ISBN 13 : 110821097X
Total Pages : 629 pages
Book Rating : 4.1/5 (82 download)
Download or read book Collision Phenomena in Liquids and Solids written by Alexander L. Yarin and published by Cambridge University Press. This book was released on 2017-06-15 with total page 629 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive account of the physical foundations of collision and impact phenomena and their applications in a multitude of engineering disciplines. In-depth explanations are included to reveal the unifying features of collision phenomena in both liquids and solids, and to apply them to disciplines including theoretical and applied mechanics, physics and applied mathematics, materials science, aerospace, mechanical and chemical engineering, and terminal ballistics. Covering a range of examples from drops, jets, and sprays, to seaplanes and ballistic projectiles, and detailing a variety of theoretical, numerical, and experimental tools that can be used in developing new models and approaches, this is an ideal resource for students, researchers, and practicing engineers alike.
