fundamentals of fluid flow in porous media

steady state compressible fluid flow in porous media

Ngày tải lên : 27/07/2014, 23:44

... increasing length of porous media The compressibility of a fluid (C f) is defined as: www.intechopen.com Steady State Compressible Fluid Flow in Porous Media  C f 473 d  dp (13) Combination of equations ... following data were obtained www.intechopen.com Steady State Compressible Fluid Flow in Porous Media 487 Flow rate (Q) = 1,000cc of air in 500sec Pressure down stream of core (p2) = atm absolute Flowing ... compressibility of a real gas p1 = Pressure at inlet end of porous medium p2 = pressure at exit end of porous medium θ = Angle of inclination of porous medium with horizontal in degrees z2 =...

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A generalised lattice boltzmann model of fluid flow and heat transfer with porous media

Ngày tải lên : 16/09/2015, 12:42

... MODEL OF FLUID FLOW AND HEAT TRANSFER WITH POROUS MEDIA XIONG JIE B Eng HUST A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF MECHANICAL ENGINEERING NATIONAL UNIVERSITY OF ... rule, makes simulation of flow in porous media by suitable LBM The main advantage of this method is that the local information of the flow can be obtained and CHAPTER INTRODUCTION used to study ... simulation of flow in porous media by introducing a term describing the no-slip boundary condition By this approach, the loss of momentum resulting from the solid obstacles is incorporated into the...

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Assessment of the Use of Hand Warmer for Nitrate Retardation in Porous Media

Ngày tải lên : 05/09/2013, 10:15

... condition of porous media Steady saturated flow field was established in the column when fluctuations in the observed drainage rate from the bottom reservoir became negligible A volume of 80 cm3 of ... soils As seen in Fig 2, the peaks of BTCs appear in the vicinity of the unity In order to clarify the effect of HWCs, temporal moment approaches are carried out to analyze BTCs in terms of the mean ... mixture ratio of HWCs and the retardation factor is shown in Fig (a) The retardation factor tends to increase with increasing percentage of HWCs, demonstrating the potency of HWCs It is inferred that...

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An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs

Ngày tải lên : 05/09/2013, 16:10

... point “0”along the direction of main fluid flow and Y is the distance from the ribbed surface perpendicular to the direction of main fluid flow Figure Velocity profile for flow over an inclined ... enerzization of retarded main flow due to release of secondary flow through the gap This is in line with the assumption of the Cho et al [12] that a gap in the inclined rib accelerates the flow through ... discretization of the continuous rib The present investigation was therefore, taken up to determine the optimum width of a gap in the inclined rib to form discrete rib This study will help in determining...

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Computational Modelling of Multi-Scale Non-Fickian Dispersion in Porous Media - An Approach Based on Stochastic Calculus docx

Ngày tải lên : 28/06/2014, 08:20

... discontinuities at finitely many points and we integrate them using the definition of Riemann integral of a function f (t) over the interval [a,b]:  b a n f (t ) dt  lim  f ( in ) ( tin  tin ... (E((B(tin )  B(tin ))2 )) (2.3.11) E(( B(tin )  B(tin ))2 ) is the variance of an independent increment { B(tin )  B(tin )} As seen before, Var[ B(tin )  B(tin )]  (tin  tin ) Therefore, ... continuous functions are the main concern The integral converges regardless of the chosen  in within [ tin , tin ] A generalization of Riemann integral is Stieltjes integral which is defined...

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Computational modelling of multi-SCale non-fiCkian diSperSion in porouS media - an approaCh BaSed on StoChaStiC CalCuluS ppt

Ngày tải lên : 29/06/2014, 09:20

... discontinuities at finitely many points and we integrate them using the definition of Riemann integral of a function f (t) over the interval [a,b]:  b a n f (t ) dt  lim  f ( in ) ( tin  tin ... (E((B(tin )  B(tin ))2 )) (2.3.11) E(( B(tin )  B(tin ))2 ) is the variance of an independent increment { B(tin )  B(tin )} As seen before, Var[ B(tin )  B(tin )]  (tin  tin ) Therefore, ... continuous functions are the main concern The integral converges regardless of the chosen  in within [ tin , tin ] A generalization of Riemann integral is Stieltjes integral which is defined...

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A numerical study of fluid flow and mass transport in a microchannel bioreactor

Ngày tải lên : 12/09/2015, 21:13

... transiently increasing fluid- phase endocytosis; and they are capable of producing intracellular actin and myosin filaments that are oriented in the flow direction Eskin et al (1984) investigated ... driven flow in an inclined square cavity 152 Fig 2.7 Grid system utilized in the inclined square cavity (a coarse grid is shown here) 152 Fig 2.8 Streamlines at different Re numbers in the inclined ... one of the most important nutrients for cells However, it is often the limiting nutrient because of the difficulty in bringing sufficient amounts of oxygen to the surface of the cells mainly...

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Fundamentals of pipe flow

Ngày tải lên : 12/03/2014, 16:42

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STOCHASTIC DYNAMICS Modeling Solute Transport in Porous Media pptx

Ngày tải lên : 22/03/2014, 15:20

... the flow of the fluid itself, and the second the transport of a solute introduced into the flow at a specific point in space The fluid flow problem is usually one of stationary flow, i.e, the fluid ... and heat flow within porous media is also of significant importance in many other fields of science and engineering, such as drying of biological materials and biomedical studies But in these ... transport in porous media We believe that the problem of modeling transport processes in porous media is a natural setting to discuss applications of stochastic dynamics We hope that the engineering...

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AEROBIC BIODEGRADATION OF ORGANIC CHEMICALS IN ENVIRONMENTAL MEDIA: A SUMMARY OF FIELD AND LABORATORY STUDIES pot

Ngày tải lên : 28/03/2014, 19:20

... determine the rate of biodegradation of specific contaminants in groundwater during a field study Mass flux of the studied contaminant through a line/cluster of wells (a transect) is recorded instead ... reached as a final timepoint, an earlier time was chosen for the kinetics calculation, if possible; the use of zero as a denominator in the first-order rate equation would result in an “infinite” value ... leveled off at that point for the remainder of the experiment, the final concentration and time were chosen at the point where the concentration leveled off In column studies, the time field in the...

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Báo cáo khoa học: "An Error Analysis of Relation Extraction in Social Media Documents" ppt

Ngày tải lên : 30/03/2014, 21:20

... Automotive Domain International AAAI Conference on Weblogs and Social Media Data Challenge Workshop 2010 Klein D and Manning C Accurate Unlexicalized Parsing Proceedings of the 41st Meeting of the Association ... Journal of Machine Learning Research 9(2008), 1871-1874 2008 Gerber, M and Chai, J Beyond NomBank: A Study of Implicit Arguments for Nominal Predicates Proceedings of the 48th Annual Meeting of the ... Extraction Proceedings of the 23rd International Conference on Computational Linguistics (Coling 2010) R.-E Fan, K.-W Chang, C.-J Hsieh, X.-R Wang, and C.-J Lin LIBLINEAR: A library for large linear classiﬁcation...

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Heat and Mass Transfer in Porous Media pdf

Ngày tải lên : 31/03/2014, 16:20

... Berlin/Figueres Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com) Contents Treatment of Rising Damp in Historical Buildings Ana Sofia Guimarães, ... presented in Fig This type of experiment is interesting in the way it provides an easy assessment of the transient behaviour of a building element Just by watching the curves, the effect of painting ... the level of rising damp, conducted at the Building Physics Laboratory, Faculty of Engineering, University of Porto, has yielded interesting results Numerical simulation studies, using the programme...

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convective heat transfer mathematical and computational modelling of viscous fluids and porous media

Ngày tải lên : 01/04/2014, 10:51

... centreline fluid velocity velocity outside boundary-layer velocity of moving sheet, or of moving cylinder velocity of potential flow in x-direction characteristic velocity velocity of moving plate fluid ... Convective Flows: Porous Media 11 Free and mixed convection boundary-layer flow over vertical surfaces in porous media 12 Free and mixed convection past horizontal and inclined surfaces in porous media ... temperature induces relatively large upward fluid velocities, with the consequent increase in the rate of fluid entrainment into the boundary-layer This causes, in turn, a thinning of the boundary-layer...

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delphi - fundamentals of database development in delphi

Ngày tải lên : 16/04/2014, 11:14

... part of Windows 98/2000 If you or your client use Windows 95 or Windows NT you will probably need to distribute and install the ADO engine Delphi 5's CD includes an installation of MDAC − Microsoft ... databases A single−tiered database is a database in which any changes, such as editing the data, inserting records, or deleting records − happen immediately Single−tiered databases are limited in how ... we are accessing it You can use the same connection string as in the second chapter, or you can build one by invoking the connection string editor Setting the LoginPrompt property of the ADOConnection...

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roger bourne - fundamentals of digital imaging in medicine

Ngày tải lên : 05/06/2014, 12:05

... Fundamentals of Digital Imaging in Medicine Roger Bourne Fundamentals of Digital Imaging in Medicine 13 Roger Bourne, PhD Discipline of Medical Radiation Sciences Faculty of Health ... reliability of the intensity or color information due to a certain amount of noise in the measured signal When we perform image processing we are sorting and manipulating the information in an image Often ... represent using positive integers within the bit depth available There are several ways of addressing these needs using binary encoding 2.3.4.1 Signed and Unsigned Integers In signed integer encoding...

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