4analysis of yarn packages drying using computational fluid dynamics tools

Hydrodynamic and disperson behaviour of an analytical silica monolith reconstructed from sub microtomographic scans using computational fluid dynamics

Ngày tải lên : 09/09/2015, 17:53

... HYDRODYNAMIC AND DISPERSION BEHAVIOUR OF AN ANALYTICAL SILICA MONOLITH RECONSTRUCTED FROM SUB-MICROTOMOGRAPHIC SCANS USING COMPUTATIONAL FLUID DYNAMICS VIVEK VASUDEVAN (M.S., West Virginia ... University Dept of Chemical Technology, India) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL AND BIOMOLECULAR ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2013 ... studies and look ahead in life iii TABLE OF CONTENTS ACKNOWLEDGEMENTS II DECLARATION IV TABLE OF CONTENTS V SUMMARY IX LIST OF TABLES XI LIST OF FIGURES XII LIST OF ABBREVIATIONS AND SYMBOLS XVII INTRODUCTION...

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Simulation of spray dryers using computational fluid dynamics

Ngày tải lên : 16/09/2015, 17:14

... a given size The calculation of the diameter of the chamber is based on the required period of drying of a particle of given dimensions and of the radial course of its trajectory Values obtained ... hostile environments in the drying chamber during the spray drying running 2.4 Drying of the droplets 2.4.1 Experiments and models for droplet drying Evaporation and drying of droplets occurs as soon ... Figure 2.7 Drying rate curve for the drying history of a droplet Most of the models developed up to date for drying of a single droplet are based on one main assumption, i.e., the absence of temperature...

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Modeling of wind load on tall buildings using computational fluid dynamics

Ngày tải lên : 26/11/2015, 12:39

... MODELLING OF WIND LOAD ON TALL BUILDINGS USING COMPUTATIONAL FLUID DYNAMICS TON THI TU ANH (B.Eng (Hons)) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF CIVIL ENGINEERING ... Response of Tall Buildings CHAPTER CHAPTER 2.3.1 Governing Equations of Motion 21 2.3.2 Solution of MDOF equations: Rayleigh-Ritz Method 22 COMPUTATIONAL MODELS 3.1 Auxiliary Simulation of Spatial ... Functions 81 iii SUMMARY Numerical modeling of wind load on tall buildings is studied in details in this thesis using the principles of computational fluid dynamics Spatial-developing boundary layer...

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The conflation of building simulation (BS) and computational fluid dynamics (CFD) for the prediction of thermal performance of facade for naturally ventilated residential buildings in singapore

Ngày tải lên : 14/09/2015, 13:58

... between building simulation and computational fluid dynamics (CFD) can be a promising way for better prediction of building performance 2.1.2 Computational Fluid dynamics CFD has become a vital ... the aspect of indoor air velocity prediction The integration of building simulation (BS) and computational fluid dynamics (CFD) simulation provides a way to assess the performance of natural ... frequency of occurrence of particular wind conditions in May 198 Figure App.1.5 The frequency of occurrence of particular wind conditions in Jun 198 Figure App.1.6 The frequency of occurrence of...

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Modeling optimizes PEM fuel cell durability using threedimensional multi-phase computational fluid dynamics model

Ngày tải lên : 05/09/2013, 14:58

... study of a PEM fuel cell performance using 3D multi-phase computational fluid dynamics model Journal of Zhejiang University SCIENCE-A 2007; 8(2): 285-300 [30] Lampinen, M.J.; Fomino, M Analysis of ... dehumidification of the membrane may occur, resulting in deterioration of protonic conductivity In the extreme case of complete drying, local burnout of the membrane can result Figure 5b shows profiles ... environment of fuel cell systems has stimulated efforts to develop models that could simulate and predict multi-dimensional coupled transport of reactants, heat and charged species using computational fluid...

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Computational fluid dynamics analysis of a twisted airfoil shaped two-bladed H-Darrieus rotor made from fibreglass reinforced plastic (FRP)

Ngày tải lên : 05/09/2013, 15:28

... understanding of VAWT can be achieved through the use of Computational Fluid Dynamics and experimental measurements [11] The objective of the present study is to analyze the performance of an airfoil ... blades of the model had the provision for change of H/D ratios using nuts and bolts The cross-sectional area of the wind tunnel test section was 30 cm x 30 cm of length meters The description of ... Figure (a) Variation of Ct with TSR, and (b) deviation of computational Ct from experimental Cp for H/D ratio 0.85 (a) (b) Figure (a) Variation of Cp with TSR, and (b) deviation of computational Cp...

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Fundamentals of computational fluid dynamics - lomax, pulliam

Ngày tải lên : 17/03/2014, 14:01

... mathematical structure is the theory of linear algebra and the attendant eigenanalysis of linear systems The ultimate goal of the eld of computational uid dynamics (CFD) is to understand the physical ... eld of aerodynamics, all of these phenomena are governed by the compressible Navier-Stokes equations Many of the most important aspects of these relations are nonlinear and, as a consequence, often ... book 1.2 Background The eld of computational uid dynamics has a broad range of applicability Independent of the speci c application under study, the following sequence of steps generally must be...

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Fundamentals of computational fluid dynamics h lomax, t pulliam, d zingg

Ngày tải lên : 17/03/2014, 14:25

... mathematical structure is the theory of linear algebra and the attendant eigenanalysis of linear systems The ultimate goal of the eld of computational uid dynamics (CFD) is to understand the physical ... eld of aerodynamics, all of these phenomena are governed by the compressible Navier-Stokes equations Many of the most important aspects of these relations are nonlinear and, as a consequence, often ... book 1.2 Background The eld of computational uid dynamics has a broad range of applicability Independent of the speci c application under study, the following sequence of steps generally must be...

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numerical computation of internal and external flows the fundamentals of computational fluid dynamics, second edition

Ngày tải lên : 01/04/2014, 10:56

... driven into walls • Computational Fluid Dynamics (CFD): It forms the subject of this book, and as already mentioned designates the software tools that allow the analysis of the fluid flow, including ... to the definition of temperature as a measure of the mean kinetic energy of the gas molecules; to a definition of pressure as a result of the impulse of molecules on the walls of the body containing ... properties of a large number of interacting elements The same is true for another domain of scientific knowledge, namely thermodynamics, which is also the study of systems of large numbers of interacting...

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Báo cáo y học: " Examination of effects of GSK3β phosphorylation, β-catenin phosphorylation, and β-catenin degradation on kinetics of Wnt signaling pathway using computational method" pdf

Ngày tải lên : 13/08/2014, 16:21

... studies, computational studies have also aided understanding of the dynamical behaviors of this pathway and how it interacts with other pathways [2,10-13] The wnt pathway is one of the computationally ... estimated [2] Effects of wnt signaling and changes of activity of some components on the kinetics of the pathway can be investigated by solving kinetic rate law equations [2] A number of the effects ... ratio The dependence of the kG/kG' ratio on β-catenin level is shown in Figure 2, a plot of ratio of βcatenin level versus kG that represents the strength of phosphorylation of GSK3β by other kinases...

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Local induction of heat shock proteins using magnetic fluid hyperthermia for ocular neuroprotection in glaucoma

Ngày tải lên : 09/09/2015, 10:08

... concentration of mg/mL ~ mg/mL (a) EMZF@PEG ferrofluid, (b) conventional Mn0.5Zn0.5Fe2O4@PEG ferrofluid, and (c) Fe3O4@PEG ferrofluid The specific loss power (SLP) of all the ferrofluids calculated ... measuring AC heating of Co- and Fe-ferrofluids with different viscosities Figure (b), and (c) show the dependence of surrounding viscosity of Co-ferrofluid, and Fe-ferrofluid on the AC magnetically-induced ... Improvement of induction efficiency of HSPs 72 – control of increasing rate of AC heating stress 7.4.4 148 Improvement of induction efficiency of HSPs 72 – control of duty cycle of AC heating...

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Development of mesh free methods and their applications in computational fluid dynamics

Ngày tải lên : 16/09/2015, 17:12

... numerical solution of the equations of fluid mechanics on computers has been developed into an important subject of fluid dynamics, i.e., computational fluid dynamics (CFD) The core of CFD is to construct ... Introduction 1.1 Background of computational fluid dynamics 1.1.1 Governing equations for fluid flows The physical aspects of fluid flows are governed by the conservation principles of mass, momentum and ... DEVELOPMENT OF MESH-FREE METHODS AND THEIR APPLICATIONS IN COMPUTATIONAL FLUID DYNAMICS DING HANG (B Eng., M Eng.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF MECHANICAL...

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Computational fluid dynamics (CFD) modelling of a continuous baking oven and its integration with controller design

Ngày tải lên : 03/10/2015, 21:56

... stands for walls 2.3 Computational Fluid Dynamics (CFD) Computational Fluid Dynamics (CFD) modelling and simulation is becoming an essential tool in almost every domain where fluid dynamics are involved ... this study, Computational Fluid Dynamics (CFD) models have been developed to facilitate a better understanding of the baking process The transient simulation of the continuous movement of dough/bread ... accuracy and resolution of the results obtained depend on the number of cells defined: the usage of more cells yields more details of the flow field on the expense of more computational effort (i.e...

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UV-disinfection Reactor Validation by Computational Fluid Dynamics and Relation to Biodosimetry and Actinometry

Ngày tải lên : 05/09/2013, 09:08

... reduction equivalent dose (RED) in off-site validation of UV reactor and computational validation by CFD model OFF-SITE BIODOSIMETRIC TESTING OF UV REACTOR The off - site biodosimetric tests with ... 254nm UV output×Number of lamps/Volume of reactor (12) It was founded that the higher UV density leads to higher β values VALIDATION OF UV REACTOR BY COMPUTATIONAL FLUID DYNAMICS MODEL To know ... path of the particle (microbes) in the reactor and the UV intensity in the reactor as a function of position The particle trajectory calculations can be performed by computational fluid dynamics...

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Báo cáo khoa học: Characterization of the molten globule state of retinol-binding protein using a molecular dynamics simulation approach ppt

Ngày tải lên : 16/03/2014, 23:20

... increase of 251 A2 in the solvent accessible surface area of the protein Comparisons of the side chain solvent accessibility of the X-ray structure of RBP (without retinol bound) with that of the ... the second set of strands All of the b-strands present in native RBP show a high level of persistence in the group conformers (Figs and 3) However, in many of the structures some of these strands ... stabilize the binding of retinol to RBP Studies of the interactions of chimaera of RBP and epididymal retinoic acid binding protein (ERABP) with TTR have identiﬁed the region of the RBP sequence...

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Computational fluid dynamics principles and applications j blazek

Ngày tải lên : 17/03/2014, 14:25

... solution of equations of motion of the fluid as well as with the interaction of the fluid with solid bodies The equations of motion of an inviscid fluid (Euler equations) and of viscous fluid (Navier-Stokes ... important quantities at each point of the fluid The derivation of the principal equations of fluid dynamics is based on the fact that the dynamical behaviour of a fluid is determined by the following ... Brauschweig and of Dimitri Mavriplis from ICASE, who provided several pictures of surface grids of transport aircraft configurations Xlll List of Symbols Jacobian of convective fluxes Jacobian of viscous...

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adaptive high-order methods in computational fluid dynamics

Ngày tải lên : 01/04/2014, 10:40

... {Uj }, j = 1, , NDOF , is the set of degrees of freedom of uh in K, and NDOF = dim{ϕi } = N l=1 (k + l) N! is the number of degrees of freedom of complete polynomials of degree k Simple choices ... METHODS IN COMPUTATIONAL FLUID DYNAMICS Advances in Computational Fluid Dynamics — Vol Copyright © 2011 by World Scientific Publishing Co Pte Ltd All rights reserved This book, or parts thereof, may ... in Computational Fluid Dynamics 7792tp.indd 2/9/11 3:15 PM Advances in Computational Fluid Dynamics Editors-in-Chief: Chi-Wang Shu (Brown University, USA) and Chang Shu (National University of...

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computational fluid dynamics 2010

Ngày tải lên : 01/04/2014, 10:42

... Computational Fluid Dynamics 2010 Alexander Kuzmin Editor Computational Fluid Dynamics 2010 Proceedings of the Sixth International Conference on Computational Fluid Dynamics, ICCFD6, ... idlof Institute of Thermomechanics, Academy of Sciences of the Czech Republic, 182 00 Prague 8, Czech Republic, sidlof@it.cas.cz Jakub ớstek Institute of Mathematics, Academy of Sciences of the ... Dumbser Laboratory of Applied Mathematics, Department of Civil and Environmental Engineering, University of Trento I-38100 Trento TN, Italy; Institute of Aerodynamics and Gas Dynamics, Universitọt...

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computational fluid dynamics an heat transfer

Ngày tải lên : 01/04/2014, 10:42

... University of Milan, Italy A.C.M Sousa University of New Brunswick, Canada G De Mey University of Ghent, Belgium D.B Spalding CHAM, UK S del Guidice University of Udine, Italy J Szmyd University of Mining ... Agricultural University of Athens, Greece This page intentionally left blank Computational Fluid Dynamics Transf ransfer and Heat Transfer EMERGING TOPICS Editors R.S Amano University of Wisconsin-Milwaukee, ... Prediction of rotating channel flow using NLEDMM 316 8.9.2 Prediction of rotating channel-flow heat transfer using NLEDHM 322 Concluding Remarks 327 Analytical wall-functions of turbulence...

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computational fluid dynamics technologies and applications

Ngày tải lên : 01/04/2014, 10:45

... Astrophysical Fluid Dynamics are discussed and available at [3] On the calculation experiment technology Prof V.F.Minin is the winner of the State premium of the USSR 4 Computational Fluid Dynamics ... line indicates disruption of continuity of the velocity profile along the wall Examples The basic aspects of the technology of the computational experiment (CE), principles of program-technical systems ... leadership of Professor Vladilen F Minin (Novosibirsk, USSR) on the basic of experience of development and usage of similar systems for 35 years and designed for realization of mass computational...

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