• Aucun résultat trouvé

Non-isothermal two-phase flows – Mesoscopic Eulerian Formalism

Modeling heat transfer in dilute two-phase flows using the Mesoscopic Eulerian Formalism

Modeling heat transfer in dilute two-phase flows using the Mesoscopic Eulerian Formalism

... simulate two-phase flows in academic ...dispersed phase as a continuum, like the carrier: this approach is called Eulerian-Eulerian ...equilibrium Eulerian approach, ...

32

Direct Numerical Simulation of non-isothermal dilute sprays using the Mesoscopic Eulerian Formalism

Direct Numerical Simulation of non-isothermal dilute sprays using the Mesoscopic Eulerian Formalism

... for two-phase flows because of the gas/liquid interface and the coupling between evaporation, turbulent mixing and combus- tion ...and non-premixed) observed in gaseous combustion become much ...

182

A spatial particle correlation-function analysis in non-isothermal dilute particle-laden turbulent flows

A spatial particle correlation-function analysis in non-isothermal dilute particle-laden turbulent flows

... a two-point correlation function approaches that of the fluid, behaving exponentially as modeled in one-phase flow by Hinze [10] and converging to the particle kinetic energy for distances tending to ...The ...

8

Multisymplectic formalism and the covariant phase

Multisymplectic formalism and the covariant phase

... the Huygens principle): this was achieved by Carath´eodory [2] in his theory (see §1.8). 1.8 Some historical remarks The generalization of the Hamilton equations to variational problems with several variables developped ...

33

A spatial particle correlation-function analysis in non-isothermal dilute particle-laden turbulent flows

A spatial particle correlation-function analysis in non-isothermal dilute particle-laden turbulent flows

... 2. Two-point particle correlation functions In order to characterize the particle temperature distribution, particle-particle (also referred to as two-point particle) correla- tion functions are ...

7

Macro-scale modeling of two-phase flows within structured packings

Macro-scale modeling of two-phase flows within structured packings

... To cite this version : Pasquier, Sylvain and Quintard, Michel and Davit, Yohan Macro-scale modeling of two-phase Flows within structured packings. (2016) In: Séminaire Fermat franco-allemand à ...

36

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

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

... ignition phase of a jet engine cycle is by definition a critical phase and is part of the certification of the jet engines which needs for security reasons to ignite or re-ignite in specific ...transient ...

200

Wake attenuation in large Reynolds number dispersed two-phase flows

Wake attenuation in large Reynolds number dispersed two-phase flows

... number-dispersed two-phase flow strongly depends on the wakes generated behind the moving bodies that constitute the dispersed ...dispersed two-phase flows are controlled by multi-body ...

14

Frictional stress formulation for solid-liquid two-phase flows

Frictional stress formulation for solid-liquid two-phase flows

... The present work tests a formulation for the frictional stress that follows the model of Srivasta and Sundaresan (2003). The model is verified using the experimental measurements of passive earth pressure of Fang et al. ...

25

Modelling and numerical simulation of metastable two-phase flows

Modelling and numerical simulation of metastable two-phase flows

... single-velocity two- phase flow model with stiff mechanical ...complex two-phase flows involving cavitation and evaporation ...this two-phase model focusing on the ...

255

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

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

... Figure 22: Wind tunnel with 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 . Minimal value (blue): p = 0.37 – Maximal value ...

39

Formulations of two phase liquid gas compositional Darcy flows with phase transitions

Formulations of two phase liquid gas compositional Darcy flows with phase transitions

... thermodynamics, two and tri phase Darcy flows, but with usually small capillary effects and the use of a reference pressure in the thermodynamical state laws rather than the phase ...the ...

35

The coupling of homogeneous models for two-phase flows

The coupling of homogeneous models for two-phase flows

... First of all, the problem must be analyzed from the modelling point of view. To make (1) complete, we need to add an interface model, that is to say, we must detail the properties of the flow that should hold at the ...

40

Vertex centred Discretization of Two-Phase Darcy flows on General Meshes

Vertex centred Discretization of Two-Phase Darcy flows on General Meshes

... is not necessarily the barycenter of K). When applying scheme (5), one should be very wary of the use of conformal finite elements in the case of highly heterogeneous media. Indeed, assuming that the control volumes are ...

21

Experiments and numerical modelling of isothermal ice slurry flows

Experiments and numerical modelling of isothermal ice slurry flows

... does not vary from a thermocouple to another. The maximum absolute difference is 0.05 ◦ C, observed between T0 to T2 at low flow rates. The maximum absolute difference for the density 0.4 kg.m −3 obtained between D0 and ...

156

A simple and fast phase transition relaxation solver for compressible multicomponent two-phase flows

A simple and fast phase transition relaxation solver for compressible multicomponent two-phase flows

... 7. Computational time, efficiency and simplicity All computational examples confsidered in this paper led to the same observation: the present relaxation solver is much faster than the root-finding iterative algorithm ...

41

Wigner matrix formalism for phase-modulated signals

Wigner matrix formalism for phase-modulated signals

... incoherent phase noise treatment, Gaussian-Schell model (GSM) has been intensively used to model partially coherent beams [12,13] and is well adapted to model imperfections of optical ...the phase space ...

15

Dynamics and Transfers in two phase flows with phase change in normal and microgravity conditions

Dynamics and Transfers in two phase flows with phase change in normal and microgravity conditions

... Two-phase flows with or without phase change are present in industrial and space applica- ...pipe flows in microgravity have been studied for more than forty ...systems. Two ...

141

Non-local geometric phase in two-photon interferometry

Non-local geometric phase in two-photon interferometry

... ric phase in intensity interferometry reported previously, where the geometric phase is also manifest in the lower or- der correlations, and local in effects at each ...as two copies of the single ...

6

Unified isothermal and non-isothermal modelling of neat PEEK crystallization

Unified isothermal and non-isothermal modelling of neat PEEK crystallization

... Nakamura [ 6 ] and Ziabicki [ 7 ] extended the Avrami equation to predict non-isothermal crystallization kinetics using isothermal transformation data. Ozawa [ 8 ] also pro- posed another extension ...

11

Show all 10000 documents...

Sujets connexes