• No results found

Multiphase flows

Development of an Eulerian Lagrangian Method to Simulate Dispersed Multiphase Flows with Complex Spray Dynamics.

Development of an Eulerian Lagrangian Method to Simulate Dispersed Multiphase Flows with Complex Spray Dynamics.

... Droplet breakup is observed for a wide range of dispersed multiphase flows and plays a critical role in dictating the droplet distribution. Larger droplets, also referred to as the parent droplets, break ...

114

Investigations in Gas-Solid Multiphase Flows

Investigations in Gas-Solid Multiphase Flows

... In the previous section we touched briefly on the exchange of momentum between phases in multiphase flow. In the opinion of the author, the exchange of momentum between phases is the most underdeveloped and least ...

147

Measurement of the Local Properties of Multiphase
Flows

Measurement of the Local Properties of Multiphase Flows

... the oil industry, the food industry, and the mineral processing industry are examples of where the ERT technique is applied. It is important to mention that “dual plane” ERT has also been developed and it is able to ...

271

Applying a Parallel Solution to the Graph Partitioning Problem in the Simulation of Multiphase Flows

Applying a Parallel Solution to the Graph Partitioning Problem in the Simulation of Multiphase Flows

... The present work proposes an efficient parallel solution to the GPP problem based on the implementation of existing heuristics in a computational cluster. The proposed solution improves the general performance of the ...

6

Lecture 14 - Multiphase Flows. Applied Computational Fluid Dynamics

Lecture 14 - Multiphase Flows. Applied Computational Fluid Dynamics

... Modeling multiphase flows Flow Specific bubbly droplet particle-laden slug annular stratified/free surface Model Specific.. Lagrangian Dispersed Phase Algebraic Slip Eulerian Eulerian G[r] ...

46

On Equations of State for Simulations of Multiphase Flows

On Equations of State for Simulations of Multiphase Flows

... simulating multiphase flows governed by general equation of state ...A multiphase Godunov method for compressible multifluid and multiphase flows, ...

6

A local adaptive refinement method with multigrid
preconditionning
illustrated by multiphase flows simulations.

A local adaptive refinement method with multigrid preconditionning illustrated by multiphase flows simulations.

... During a hypothetical major accident in a nuclear reactor, the degradation of the core may produce multiphase flows where interfaces undergo extreme topological changes, e.g. break-up and coalescence. ...

39

The measurement of volume fraction and velocity profiles in vertical and inclined multiphase flows

The measurement of volume fraction and velocity profiles in vertical and inclined multiphase flows

... University of Huddersfield Repository Cory, James The measurement of volume fraction and velocity profiles in vertical and inclined multiphase flows Original Citation Cory, James (1999) The measuremen[.] ...

307

Optimal design of a four sensor probe
system to measure the flow properties of
the dispersed phase in bubbly air water
multiphase flows

Optimal design of a four sensor probe system to measure the flow properties of the dispersed phase in bubbly air water multiphase flows

... bubbly multiphase flows within pipelines ...air-water multiphase flows with reasonable ...dimensional multiphase flows is not ...bubbly multiphase flows ...

26

Dynamic relaxation processes in compressible multiphase flows. Application to evaporation phenomena

Dynamic relaxation processes in compressible multiphase flows. Application to evaporation phenomena

... These relaxation phenomena assume infinitely fast mass, momentum and energy transfers between phases. Yet these transfers obey their own associated kinetics. For example in a multiphase medium the pressure ...

21

Modelling compressible multiphase flows

Modelling compressible multiphase flows

... two-phase flows in a porous region; this point was basically motivated by the need for ”component” codes in the nuclear safety framework, where the notion of porosity naturally arises when tiny obstacles in steam ...

17

On baer-nunziato multiphase flow models

On baer-nunziato multiphase flow models

... In this note, we first construct the class of Young measures which may represent multiphase flows. Then, we detail the results that are obtained in [1]. In particular, we recall the main ...

23

Derivation of Jump Conditions in Multiphase Incompressible Flows with Singular Forces

Derivation of Jump Conditions in Multiphase Incompressible Flows with Singular Forces

... In this section, the scaled velocity, denoted by u = (u , v, w), and the pressure are discretized on a fixed Carte- sian regular grid as shown schematically in Fig. 4. The sin- gular surface S is represented by ...

11

CFD Analysis of Single and Multiphase Flow Characteristics in Elbow

CFD Analysis of Single and Multiphase Flow Characteristics in Elbow

... Computational fluid dynamics (CFD) analysis of single- phase and two-phase flow was performed in a 90 degree hori- zontal to vertical elbow with 12.7 mm inside diameter. Characteristic flow behavior was investigated at ...

5

Performance Analysis On Multiphase Voltage Source Inverter

Performance Analysis On Multiphase Voltage Source Inverter

... of multiphase power converter is a produce a high voltage from a low DC ...a multiphase inverter, there a many type of switching technique can be apply for an example sinusoidal pulse width modulation and ...

24

Distributed Load Control in Multiphase Radial Networks

Distributed Load Control in Multiphase Radial Networks

... Power flow equations can be approximated by some linear equations known as the DC power flow equations [7, 94, 95] if 1) power losses on the lines are small; 2) voltages are close to their nominal values; and 3) voltage ...

189

Study of Multiphase Flow at the Suction of Screw Compressor

Study of Multiphase Flow at the Suction of Screw Compressor

... the multiphase flow characteristic at suction of twin screw compressors by means of experimental ...of multiphase flow was carried out to determine their suitability and ...and multiphase flow at the ...

11

Energy minimizing microstructures in multiphase elastic solids

Energy minimizing microstructures in multiphase elastic solids

... Our contributions to the solution of this problem are twofold: We prove a dual variational characterization of the recoverable strains of shape memory polycrystals and show that dual str[r] ...

148

Frontiers and progress in multiphase flow and heat transfer

Frontiers and progress in multiphase flow and heat transfer

... It is our great wish that this special issue can exchange recent frontier research in both newly emerging and traditional subjects of multiphase flow and heat transfer to our commu- nity. Finally, we would like to ...

7

Show all 2369 documents...

Related subjects