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Author : Benigno J. Lazaro
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (599 download)
Download or read book Particle Dispersion in Turbulent Free Shear Flows written by Benigno J. Lazaro and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles John Call
Publisher :
ISBN 13 :
Total Pages : 330 pages
Book Rating : 4.:/5 (48 download)
Download or read book Particle Dispersion in Turbulent Shear Flows written by Charles John Call and published by . This book was released on 1992 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Douglas Robert Evinou
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (754 download)
Download or read book The Numerical Modeling of Particle Dispersion in Turbulent Shear Flows written by Douglas Robert Evinou and published by . This book was released on 2003 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ngozi Kamalu
Publisher :
ISBN 13 :
Total Pages : 242 pages
Book Rating : 4.:/5 (297 download)
Download or read book Visualization Techniques for Understanding Particle Dispersion in Free Shear Flows written by Ngozi Kamalu and published by . This book was released on 1989 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Larrue-Baulch
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (5 download)
Download or read book Particle Dispersion Modelling in Turbulent Shear Flows written by James Larrue-Baulch and published by . This book was released on 2000 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ranganath R. Raja
Publisher :
ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.:/5 (179 download)
Download or read book Particle Dispersion in a Wall Bounded Turbulent Shear Flow written by Ranganath R. Raja and published by . This book was released on 1988 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ian M. Kennedy
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (227 download)
Download or read book Particle Dispersion in a Turbulent Shear Flow written by Ian M. Kennedy and published by . This book was released on 1990 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: A joint experimental and numerical study of droplet dispersion in a round turbulent jet has been initiated. Laser light scattering was used to measure the motion of non-vaporizing droplets of water and hexadecane in an isothermal turbulent jet of air. The results indicated that an initial radial velocity fluctuation in the droplet motion at the jet exit can serve to increase significantly the dispersion of droplets larger than 100 microns. Vortex dynamics simulations of the near region of the jet showed that Basset, virtual mass and pressure gradient forces may be neglected for small droplets but may need to be accounted for, particularly at high pressure, with large droplets (> 100 microns) even if the drop to gas density ratio is close to one. A stochastic simulation of particle dispersion revealed that the Reynolds stresses or velocity correlations in this flow do not contribute significantly to particle dispersion. Keywords: Turbulent shear flows, Particle dispersion, Vortex dynamics, Stochastic simulation. (jhd).
Author : Kenneth T. Kiger
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (318 download)
Download or read book Particle Dispersion and Inter-phase Kinetic Energy Transfer in a Turbulent, Two-phase Shear Layer written by Kenneth T. Kiger and published by . This book was released on 1995 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: The transport of heavy, polydispersed particles and the inter-phase transfer of kinetic energy is measured experimentally in a turbulent shear layer. Specifically, fundamental/subharmonic forcing and conditional-averaging techniques were used to study the particle/turbulence interaction with the large-scale, spanwise, coherent vortices, starting from their initial roll-up through the first pairing event. It is shown that the pairing event plays a homogenizing role on the particulate field, but the amount of homogenization is strongly dependent upon the particle's viscous relaxation time, the eddy turnover time, as well as the time the particles are allowed to interact with each scale prior to a pairing event. Thus, even though the smaller size particles become well-mixed across the structure, the larger sizes are still dispersed in an inhomogeneous fashion. The dispersed/carrier phase coupling was examined through the measurement of conditionally-averaged kinetic energy transfer (which results from the work done to accelerate or decelerate the dispersed phase), as well as the conditionally-averaged particle dissipation (energy dissipated by shear deformation in the carrier phase due to the relative slip between the particles and the carrier fluid).
Author : Michael Henry Moody
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.:/5 (54 download)
Download or read book An Investigation of Time and Length Scale Effects on Particle Dispersion in a Turbulent Shear Flow written by Michael Henry Moody and published by . This book was released on 1994 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peiquing Shen
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (396 download)
Download or read book Numerical Study of Fluid Particle Dispersion in Homogeneous Turbulent Shear Flow written by Peiquing Shen and published by . This book was released on 1998 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (727 download)
Download or read book Particle Dispersion by Order Motion in Mixing Layers written by and published by . This book was released on 1993 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multiphase mixing in turbulent flows is a key element in many energy conversion and chemical processes. There is considerable need for improving the design and control of these processes. Free turbulent shear flows are the primary agents for particle mixing in these systems. Previous studies by this research group have shown that, if particle coupling effects are neglected, the organized vortex structures generated by these shear flows control the character of the particle mixing process. A coordinated experimental and numerical study is proposed to investigate the coupled effects of droplet mass and energy transfer on the turbulent multiphase mixing process in free shear flows. This study has important implications concerning the design of reacting flow systems. Experimental visualizations of the multiphase flow will be carried out using laser-sheet lighting and high speed photography. Local measurements of droplet size, velocity and concentration diagnostics, will be made with laser anemometry and phase Doppler diagnostics. Complementary analytical and numerical analyses will be carried out to assess the effect of coupling on vortex structure, stability and growth. The results of the proposed research will provide basic understanding concerning the coupled effects of particle concentration on the rate of multiphase mixing in turbulent flows. Information of this nature is essential to the improved designs of engineering systems with particulate or droplet flows.
Author : Benigno J. Lazaro
Publisher :
ISBN 13 :
Total Pages : 446 pages
Book Rating : 4.:/5 (52 download)
Download or read book Particle Dispersion in Turbulent Free Sheer Flows written by Benigno J. Lazaro and published by . This book was released on 1989 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yi Jiang
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (48 download)
Download or read book Particle Dispersion in a Uniform Shear Flow written by Yi Jiang and published by . This book was released on 1998 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jean-Pierre Minier
Publisher : Springer
ISBN 13 : 3319415670
Total Pages : 268 pages
Book Rating : 4.3/5 (194 download)
Download or read book Particles in Wall-Bounded Turbulent Flows: Deposition, Re-Suspension and Agglomeration written by Jean-Pierre Minier and published by Springer. This book was released on 2016-07-26 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents an up-to-date review of turbulent two-phase flows with the dispersed phase, with an emphasis on the dynamics in the near-wall region. New insights to the flow physics are provided by direct numerical simuation and by fine experimental techniques. Also included are models of particle dynamics in wall-bounded turbulent flows, and a description of particle surface interactions including muti-layer deposition and re-suspension.
Author : Stephanie Paustian
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (91 download)
Download or read book Tracking and Pair Dispersion Analysis of Buoyant Particles in a Turbulent Shear Flow written by Stephanie Paustian and published by . This book was released on 2015 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented are experimental measurements of one and two-particle dispersion in a turbulent shear flow. The baseline flow is a well-characterized high Reynolds number turbulent submerged round jet. Buoyant air bubbles and canola oil droplets were injected into the jet within the self-similar region at five injection locations and five jet Reynolds numbers ranging from 18,000 to 34,000. Images of two particles, injected simultaneously, were obtained from high-speed shadowgraphy. The particles were then tracked using a four-frame predictive algorithm. The influence of mean shear and turbulent fluctuations on dispersion is analyzed for initial positions where a mean velocity shear is superimposed on turbulent fluctuations. The results were analyzed to determine the influence of the density ratio, the non-dimensional shear rate, Reynolds number, and the turbulence intensity (these last three associated with the location of injection) on single-particle and two-particle dispersion.
Author : Abdel-Naby Mohamed Ahmed
Publisher :
ISBN 13 :
Total Pages : 526 pages
Book Rating : 4.:/5 (49 download)
Download or read book The Interaction Between Dispersed Particles and Homogeneous Turbulent Shear Flows written by Abdel-Naby Mohamed Ahmed and published by . This book was released on 1998 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leonid I. Zaichik
Publisher : John Wiley & Sons
ISBN 13 : 3527626263
Total Pages : 318 pages
Book Rating : 4.5/5 (276 download)
Download or read book Particles in Turbulent Flows written by Leonid I. Zaichik and published by John Wiley & Sons. This book was released on 2008-12-04 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: The only work available to treat the theory of turbulent flow with suspended particles, this book also includes a section on simulation methods, comparing the model results obtained with the PDF method to those obtained with other techniques, such as DNS, LES and RANS. Written by experienced scientists with background in oil and gas processing, this book is applicable to a wide range of industries -- from the petrol industry and industrial chemistry to food and water processing.
