two phase flow in porous media
steady state compressible fluid flow in porous media
... 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 ... (Ohirhian, 2008) to be an incomplete expression for the lost head during laminar (viscous) flow in porous media and the equation of continuity for a real gas The Darcy law as presented in the API code ... 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...
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Assessment of the Use of Hand Warmer for Nitrate Retardation in Porous Media
... of the saturated media, while maintaining the saturated condition of porous media Steady saturated flow field was established in the column when fluctuations in the observed drainage rate from ... in Fig (a) and (b), respectively In Fig 3, both temporal moments are normalized by a corresponding moment obtained in a column without HWCs Obviously, both moments tend to increase with the increase ... diameter) layer by layer in increments of cm Each layer was compacted to adjust the dry density prior to filling the next layer, providing the porosity estimation in each experiment indirectly from the...
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STOCHASTIC DYNAMICS Modeling Solute Transport in Porous Media pptx
... 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 ... would be interested in this promising area of mathematics as well as in the problems we try to discuss here We explain the research problems associated with solute flow in porous media in Chapter ... particles in cellular bodies, underground oil flow in the petroleum industry and blood flow through capillaries are a few relevant instances where a good understanding of transport in porous media...
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Heat and Mass Transfer in Porous Media pdf
... eStudio Calamar, 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 ... dependant on the surface finishing materials and furnishing According to the principle, a hygroscopic inertia index was defined as a single number, representing the hygroscopic inertia of a room and that ... yielded interesting results Numerical simulation studies, using the programme WUFI-2D, have given similar findings This paper describes a new system for treating rising damp in historic buildings...
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boiling heat transfer and two-phase flow, second edition
... and flow boiling Pool boiling is boiling on a heating surface submerged in a pool of initially quiescent liquid Flow boiling is boiling in a flowing stream of fluid, where the heating surface ... T WO -PHASE FLOW 119 3.1 Introduction 119 3.2 Flow Patterns in Adiabatic and Diabatic Flows 120 2.5 3.2.1 Flow Patterns in Adiabatic Flow 120 3.2.2 Flow Pattern Transitions in Adiabatic Flow 128 ... TWO- PHASE FLOW described in terms of two- phase boundary-layer flow The macroscopic effect of a two- phase flow on the frictional pressure drop still relies on empirical correlations FLOW BOILIN...
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Two Phase Flow Phase Change and Numerical Modeling Part 1 pot
... August, 2011 Printed in Croatia A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Two Phase Flow, Phase Change ... Chen, Guangqing Du, Qing Yang, Jinhai Si and Hun Hou Part Two Phase Flow 255 Chapter 12 On Density Wave Instability Phenomena – Modelling and Experimental Investigation 257 Davide Papini, Antonio ... (solid, liquid and vapor) being taken into account Similar results were obtained for the other two phases, in a similar way, accordingly to their influencing parameters The initial conditions are:...
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Two Phase Flow Phase Change and Numerical Modeling Part 3 doc
... diameter 4.3.2 Effect of fin spacing Fin spacing was shown to generally enhance heat transfer in dry coils and condensers Increasing the fin number reduces fin spacing, increases the Reynolds number ... many, including flow arrangement, tube size, geometric configuration, and inlet/outlet conditions on the water 62 Two Phase Flow, Phase Change and Numerical Modeling and refrigerant sides, in order ... kJ/kg]), resulting in the lowest exit quality (x=74.5%) Its lowest pressure drop however allows increasing the mass flow rate with a corresponding increase in heat transfer or decreasing tube diameter...
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Two Phase Flow Phase Change and Numerical Modeling Part 4 pot
... heat sink operating temperature is obtained and maintained by adjusting the cooling water flow to the aluminum heat sink Once the heat sink temperature is obtained, the 102 Two Phase Flow, Phase ... oulet cylinder are 300 and 350 K Fig Flow filed of single-vortex Flow when teperature of the inlet cylinder and the teperature of oulet cylinder are 350 and 300 K 87 88 Two Phase Flow, Phase Change ... type of flow patterns, as Couette-Taylor flow or single and double vortex flow, can be created in a wide 92 Two Phase Flow, Phase Change and Numerical Modeling range of speed of rotation of inner...
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Two Phase Flow Phase Change and Numerical Modeling Part 5 pptx
... calculated using the following equation: Ee = TS − TP × 10 TS − 100 in MPa (48) 132 Two Phase Flow, Phase Change and Numerical Modeling Consequently, the bulging strain is computed by equation (20) in ... Fig In part (a), bulging strain (LHS axis), and misalignment and unbending strains (RHS axis) are illustrated Bulging strain is depicted by line (1); lines (2) and (3) depict the strains resulting ... the strain from the first unbending point The LHS axis in part (b) of Fig represents the total strains as computed by the two methods for bulging strain and illustrated by lines and In this case,...
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Two Phase Flow Phase Change and Numerical Modeling Part 6 pot
... Hunching by Unsteady Bulging during Thin Slab Casting ISIJ International, Vol 42, No 10, pp 1103-1111 Zhu, G., Wang, X., Yu, H., & Wang, W (2003) Strain in solidifying shell of continuous casting ... transport in the ETB The main line of thinking is the mitigation of drift instabilities and non-linear structures, arising on a non-linear stage of instabilities, through the shear of drift motion induced ... been put into practice by some slab casting manufacturers worldwide In this study, 146 Two Phase Flow, Phase Change and Numerical Modeling some ideas for applying static soft reduction in practice...
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Two Phase Flow Phase Change and Numerical Modeling Part 7 potx
... 172 Two Phase Flow, Phase Change and Numerical Modeling Weiland, J (2000) Collective Modes in Inhomogeneous Plasma, Institute of Physics Publishing, ISBN 0-7503-0589-4-hbk, Bristol, Great Britain ... cylindrical coordinates as vθ (r) = uosin(πr) (2) 194 Two Phase Flow, Phase Change and Numerical Modeling and w z (r) = w o (3) Whereas there are about a dozen or so definitions of the swirling ... methodology results in 198 Two Phase Flow, Phase Change and Numerical Modeling significant savings in the meshing and computational effort, especially because the helicoid geometry requires finite elements...
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Two Phase Flow Phase Change and Numerical Modeling Part 8 ppt
... 218 Two Phase Flow, Phase Change and Numerical Modeling Will-be-set-by -IN- TECH great improvements obtained in the KDP laser-induced damage field but also the difficulties to refine its understanding ... noting that taking 5% or 20% will not affect the main conclusions of this model 226 Two Phase Flow, Phase Change and Numerical Modeling Will-be-set-by -IN- TECH 10 2.2.2 Results Let us begin with ... thermal stratification in the LP can be mitigated using swirling jets, while producing a relatively small pressure drop 214 Two Phase Flow, Phase Change and Numerical Modeling References Aboelkassem,...
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Two Phase Flow Phase Change and Numerical Modeling Part 9 pot
... determined using approximately a linear relation between F3ω and F1ω , linked by a slope s resulting in (18) Feq = f ( F3ω , F1ω ) = sF1ω + F3ω By evidence, s contains the main physical information ... strength increases obviously with increasing the electron temperature It indicates that more electron energy can be transferred to localized 244 Two Phase Flow, Phase Change and Numerical Modeling ... pattern nearly 236 20 Two Phase Flow, Phase Change and Numerical Modeling Will-be-set-by -IN- TECH remains unchanged and the slopes s as well Also these observations not dismiss that two populations...
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Two Phase Flow Phase Change and Numerical Modeling Part 10 doc
... is, the inlet subcooling is stabilizing at high subcoolings and destabilizing at low 262 Two Phase Flow, Phase Change and Numerical Modeling subcoolings, resulting therefore in the so named L shape ... Experimental recording of total pressure drop oscillation showing “shark-fin” shape (SIET labs) 272 Two Phase Flow, Phase Change and Numerical Modeling All these delayed effects combine in single -phase pressure ... term and two- phase pressure drop term acquiring 180° out-of -phase fluctuations (Fig 7) What is interesting to notice, indeed, is that the 180° phase shift between single -phase and two- phase pressure...
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Two Phase Flow Phase Change and Numerical Modeling Part 11 pdf
... the hydrophobic surface In the two- phase flow, various two- phase heat transfers including evaporation, condensation, pool boiling, and flow boiling will be discussed In evaporation and condensation ... Sciences Meeting and Exhibit, Reno, Nevada, pp 10838–10843 (2004) 308 Two Phase Flow, Phase Change and Numerical Modeling Lin, L., Ponnappan, R., Two- phase high capacity spray cooling loop - Nozzle ... spray cooling Any two phase cooling technology, including spray cooling, is limited by a condition called critical heat flux (CHF), which is defined as the maximal heat flux in the boiling heat...
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Two Phase Flow Phase Change and Numerical Modeling Part 12 pot
... thickness 348 Two Phase Flow, Phase Change and Numerical Modeling measured from the top in a horizontal flow decreases linearly, while liquid film thickness increases linearly at the bottom The lineal ... either (i) coalesce with the drops in the 326 Two Phase Flow, Phase Change and Numerical Modeling cavity and get sucked in, resulting in a spectacular self-drying of the top surface (Narhe & Beysens, ... 320 Two Phase Flow, Phase Change and Numerical Modeling 3.2 Two- phase heat transfer 3.2.1 Evaporation Evaporation is one of major two- phase heat transfer mechanisms In an evaporation...
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Two Phase Flow Phase Change and Numerical Modeling Part 13 docx
... transfer coefficient in flow boiling for minichannels h TPB versus heat flux q H1 in the first evaporator is presented in Fig 376 Two Phase Flow, Phase Change and Numerical Modeling Researcher Correlation ... the ASME, 118, 132-139 Qu, W & Mudawar, I (2004) Flow boiling heat transfer in two- phase micro-channel heat sink-II Annular two- phase flow model, International Journal of Heat Mass Transfer, 46, ... the two- phase flow and heat transfer in the thermosyphon loop, the empirical correlations for the heat transfer coefficient in flow boiling and condensation, and two- phase friction factor in diabatic...
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Two Phase Flow Phase Change and Numerical Modeling Part 14 pdf
... two- phase flow in adiabatic region (Zhang & Webb, 2001), the Tran correlation (Eq 23) for the friction pressure drop of two- phase flow in 384 Two Phase Flow, Phase Change and Numerical Modeling ... France D.M (2000) Two phase pressure drop of refrigerants during flow boiling in small channels: an experimental investigations and correlation development., Int J Multiphase Flow, Vol 26, No ... materials involve the stable suspension of highly conducting materials in nanoparticulate form to the 390 Two Phase Flow, Phase Change and Numerical Modeling Will-be-set-by -IN- TECH fluid of interest...
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Two Phase Flow Phase Change and Numerical Modeling Part 15 doc
... forces that dissipate more energy within the liquid thereby increasing its temperature 414 26 Two Phase Flow, Phase Change and Numerical Modeling Will-be-set-by -IN- TECH φ φ0 /8 φ0 /4 φ0 /2 φ0 (a) ... of viscosity within and consequent thinning of the laminar sublayer 0.6 vol.% Al2O3 in water (Wen & Ding, 2004) 1.6 vol.% Al2O3 in water (Wen & Ding, 2004) 1000 0.6 vol.% Al2O3 in water (Jung et ... non-interacting suspensions (φ < 10%) The intrincic viscosity [η ] has a typical value of 2.5 Modified Einstein’s equation to a more generalised form (Brinkman, 1952) Higher concentrations interacting...
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- heat and mass transfer in porous media springer
- convection in porous media
- single and two phase flow
- capillary equilibrium in porous media
- nunziato equations of compressible two phase flow
- steady two dimensional flow in velocity pressure formulation
- two phase flow source term jacobians for surface tension
- two phase flow through porous media
- boiling heat transfer two phase flow and circulation
- two phase flow and operating range
- pressure drop of irrigated random and structured packings based on the law of resistance for two phase flow
- vl f re l for packed columns with two phase flow deriving the model
- two phase flow in continuous casting
- gas liquid two phase flow in microchannels
- darcy s equations for flow in porous media
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