• Aucun résultat trouvé

one phase and two phase

One-Phase and Two-Phase Flow in Highly Permeable Porous Media

One-Phase and Two-Phase Flow in Highly Permeable Porous Media

... For one-phase flow, we have shown that moderate inertial effects can be captured by modifications of Darcy’s ...structures, and the development of fully macro-scale turbulent models. For ...

20

One-phase and Two-phase Flow In Highly Permeable Porous Media

One-phase and Two-phase Flow In Highly Permeable Porous Media

... diameter and h K = 150 and hη = ...If one increases again the Re number, turbulence is not always of the periodic type as illustrated by the direct numerical simulations in ...[21]. One would ...

11

Pressure correction staggered schemes for barotropic one-phase and two-phase flows

Pressure correction staggered schemes for barotropic one-phase and two-phase flows

... step, one-phase case – Centred MAC scheme – Isolines of the pressure field obtained at t=4 with a 3000 × 1000 mesh and δt = 10 −3 ...prescribed and homogeneous Dirichlet conditions when the ...

39

A hybrid-dimensional compositional two-phase flow model in fractured porous media with phase transitions and Fickian diffusion

A hybrid-dimensional compositional two-phase flow model in fractured porous media with phase transitions and Fickian diffusion

... of two-phase Darcy flow, a natural extension of continuous pressure models is considered in [17, 18, 19, 20, 21, 22, 23, 24] for fractures acting as ...both phase pressures are continuous at mf ...

30

Two- and Three-Phase Flow Through a 90 Degree Bend

Two- and Three-Phase Flow Through a 90 Degree Bend

... When the liquid velocity exceeded the Taylor bubble rise velocity, at low gas rates, the slug or blow through slug regimes in the inlet tangent passed through the elbow bend to form the [r] ...

13

Adjoint analysis of Buckley-Leverett and two-phase flow equations

Adjoint analysis of Buckley-Leverett and two-phase flow equations

... equations and boundary conditions for porous media flow mod- els, specifically the Buckley-Leverett equation, and the compressible two-phase flow equations in mass conser- vation ...presented, ...

18

A two-continuous-phase sulfur-asphalt composite : development and characterization

A two-continuous-phase sulfur-asphalt composite : development and characterization

... be one of several versions: author’s original, accepted manuscript or the publisher’s ...Access and use of this website and the material on it are subject to the Terms and Conditions set forth ...

10

Numerical simulation of two-phase flow induced vibration

Numerical simulation of two-phase flow induced vibration

... wall and a robust coupling algorithm to avoid numerical ...turbulence and Arbitrary Lagrangian Eulerian method (described in other sections) to displace tubes, the direct approach might be time-consuming ...

153

LES of two-phase reacting flows: stationary and transient operating conditions

LES of two-phase reacting flows: stationary and transient operating conditions

... If we look at the predictions of the improved I-crit-LES, Fig. 6.5 b), the triangle shape of the low probability is recovered in terms of level and extension. However, the estimated map still exhibits low ...

200

Small-scale kinematics of two-phase flows: identifying relaxation processes in separated- and disperse-phase flow models

Small-scale kinematics of two-phase flows: identifying relaxation processes in separated- and disperse-phase flow models

... Context Two-phase flows configurations may involve di fferent regimes in the sense that the topology of the interface sep- arating both fluids may involve very di fferent scales (see [18] for examples of ...

24

Eutectic growth in two-phase multicomponent alloys

Eutectic growth in two-phase multicomponent alloys

... ∆Ci and Λij ...the phase fractions evolve compared to those at the eutectic ...liquid phase. We observe that the expression for the liquid phase concentra- tion depends on the volume fraction ...

45

A secure two-phase data deduplication scheme

A secure two-phase data deduplication scheme

... side and inter-user deduplication, a method called randomized solution is proposed in ...created and initialized to ...activated and applied to all the subsequent uploads of that ...file and ...

9

Inertial Effects in Two-Phase Flow Through Fractures

Inertial Effects in Two-Phase Flow Through Fractures

... in Two-Phase Flow through Fractures — Different approaches for modeling inertial effects during single-phase and two-phase flows through a fracture are presented: inertial ...

11

Time-parallel algorithm for two phase flows simulation

Time-parallel algorithm for two phase flows simulation

... for two phase flows simulation 9 5 Conclusion The results of this study show that the parareal algorithm can effectively speed- up two-phase flows ...for two phase ...iterations ...

11

Convergence to a self similar solution of a one-dimensional one-phase Stefan Problem

Convergence to a self similar solution of a one-dimensional one-phase Stefan Problem

... standard one-dimensional one-phase Stefan ...situations and has been studied by numerous authors; in particular we should mention a chapter of the book of Avner Friedman on parabolic ...

39

Streaming current generation in two-phase flow conditions

Streaming current generation in two-phase flow conditions

... isotropic) and m w is the dynamic water viscosity (Pa ...1999]; and (3) the resulting streaming current contribu- tion is linearly dependent on S w ...

6

What inference for two-stage phase II trials?

What inference for two-stage phase II trials?

... interest, and π 1 the smallest probability of response indicating that the agent may be ...considered two-stage designs where no stopping for effi- cacy is possible after the first ...2 and r t the final ...

14

Mathematical Statement to one dimensional Phase Unwrapping: a Variational Approach

Mathematical Statement to one dimensional Phase Unwrapping: a Variational Approach

... Unité de recherche INRIA Sophia Antipolis 2004, route des Lucioles - BP 93 - 06902 Sophia Antipolis Cedex France Unité de recherche INRIA Lorraine : LORIA, Technopôle de Nancy-Brabois - [r] ...

32

Modeling and Numerical Simulations of Two-Phase Ignition in Gas Turbine

Modeling and Numerical Simulations of Two-Phase Ignition in Gas Turbine

... creation phase is normally well mastered as a very important energy can be provided by the spark ...light-round phase is also known to be ...this phase as the flame is still weak and might ...

334

Two-dimensional phase cartography for high-harmonic spectroscopy

Two-dimensional phase cartography for high-harmonic spectroscopy

... CONCLUSION AND OUTLOOK The 2D phase cartography presented and qualified here in nitro- gen allowed disentangling structural and dynamical effects that had led to conflicting ...intensity ...

9

Show all 10000 documents...

Sujets connexes