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Using the CFD code CFX, the two-phase flow in orthogonal pipe under high gravity condition has been evaluated, and the effects of hi-g on two-phase flow characteristic have been analyzed.
A mathematical model is established and the numerical simulation is carried out with the CFX code on a micro-computer to analyze the effects of high-g on the gas-liquid two-phase flow in orthogonal pipe.

The computer simulations were validated by the experiment data.
Three-dimensional numerical simulation for laminar liquid flow and heat transfer characteristics of the cooling passages are performed.
Continuity equation: (1) Momentum equation: (2) Energy equation: (3) For the solid, the energy equation can be written as: (4) Where the addition source of power term, D is viscous resistance and C is inertial resistance; :, the viscous dissipation term; Water is used as working liquid in this simulation.
The CFD software is used for the numerical simulation, in which the Finite Volume method is adopted for the governing equations discretization; The SIMPLE method is selected to deal with the linkage between pressure and velocities.
Fig.6 Local Nusselt number Conclusions In this work, numerical simulation for fluid flow and heat transfer in the rectangular microchannel cooling passages are conducted.

In an interactive simulation environment, a full multi-phase casting process simulation (thermal-fluid simulation using multi-physical domain) along with its material and mechanical simulations are carried out in a single environment.
In the last couple of decades, the issue of multi-physical coupled simulation technology for cast through process simulation has been a focus of many scientific research works, where a number of advanced simulation methods have been developed.
Thermal Fluid and Mechanical simulation A popular method of casting simulation is an Eulerian fluid-thermal simulation where the whole process of mold filling (fluid zone), solidification (mushy zone) and solid state are modelled using an Eulerian domain.
Wang, Heat transfer coefficient study for air quenching by experiment and CFD modeling, 137th Annual Meeting & Exhibition: Materials Characterization, Computation and Modeling, TMS (The Minerals, Metals & Materials Society), Warrendale, PA, USA, (2008), 271-279
Chimani, Multi-physical process simulation of continues casting – Full interactive simulation, European Conference of Continues Casting, Graz, Austria, (2014), to be presented

The numerical simulation approach addresses unsteady Reynolds-averaged N-S solutions and covers transition prediction for unsteady mean flows.
In the numerical simulation, a coupled solver is used; fluid material is supposed to be ideal gas; momentum is in the form of second-order upwind dispersed mode; pressure and velocity coupling uses the SIMPLE algorithm and airfoil surface is the no-slip thermal isolation boundary.
MpCCI (Mesh-based parallel Code Coupling Interface) is the standard for simulation code coupling.
MpCCI has been developed at the Fraunhofer Institute SCAI in order to provide an application independent interface for the coupling of different simulation codes.
Fig.10 Pressure contour (10°, 0.0001s) Fig.11 Pressure contour (10°, 0.0700s) Fig.12 Pressure contour (20°, 0.0001s) Fig.13 Pressure contour (20°, 0.0700s) Conclusion In this paper, using the results of foreign bionic experimental airfoil, carrying out numerical simulation by CFD and analyzing the fluid-structure interaction effect of the seagull airfoil by software Mpcci.

The dynamic simulation and analysis show the interferential moment of the nose and main body can cause disadvantageous “body flutter”.
Simulations and Analysis The simulation is done to analysis the motion coupling of the nose and the main body with four different conditions
The simulations were done with the nose weight of 10kg, 15kg and 20kg, the other parameters is the same as (1).
Fig.2 Attitude Angles of the Main body Fig.3 and Fig.4 Fig.5 Attack angle Fig.6 and φ with Roll Velocity 50deg/s Fig.7 and φ with Roll Velocity300deg/s Conclusions With the dynamic modeling and simulation, the conclusions can be gotten: (1) The motion coupling of nose and body can bring disadvantage attack angle to the flight.
Assessment of a Productivity-Oriented CFD Methodology for Designing a Hypervelocity Missile.

A method that combines the experimental measurements and numerical simulations to determine the moisture diffusivity in a membrane has been developed.
So, an improved method that combines the experiment and numerical simulation to determine the moisture diffusivity in a membrane was developed in this research.
The commercial CFD software FLUENT6.0 was used to solve the above equations.
Combination of experiment and simulation The moisture diffusivity in membrane is determined by comparing the experimental and numerical total moisture resistances.
Summary A method that combines the experiment and numerical simulation to determine the moisture diffusivity in a membrane was developed.

Numerical simulation on CH4/air premixed combustion in this combustor was performed and the stable combustion range was determined, which showed that the blow-off limit increases with the equivalence ratio and the lower flammability limit was extended.
Characteristics of premixed CH4/air combustion are studied through numerical simulation.
The convergence criteria of CFD simulation are 1.0×10−6.
Regime diagram of flame stability was obtained based on systematic simulation, as shown in Fig. 2.
Combustion efficiencies for different equivalence ratios when the inlet velocity is 0.5 m/s Summary Premixed methane/air combustion in a heat-recirculating type micro-combustor with a bluff-body has been conducted through numerical simulation.

The research results provide a theoretical basis for understanding the real situation and preventing spontaneous combustion in goaf. 1 Introduction Along with the rapid development of computational fluid dynamics (CFD) and computer technology, numerical simulation method is more and more used to solve mine fire problems [1-3].
Using VB and tecplot9.0 software, multi-interface, multi-parameter and visualization simulation software was developed
Research into Three-dimensional simulation of Fully-mechanized gob spontaneous combustion zones[J].Safety in Coal Mines,2000,(10):33-35
Numerical simulation of spontaneous combustion process in goaf areas by fully-mechanized and caving roof coal[J].
Application of Finite Volume Method on Temperature Field Simulation in Mining Goaf, Progress in safety science and technology [C],2010,9:1437-1442

The commercial CFD code FLUENT is used to model the plasma and the solid anode part.
If we want to study the complex external environment (current, cross-flow, external magnetic field etc.), case-by-case should be based on, and a more sophisticated model is needed for numerical simulation.
Phys. 36488-96 [8] Miki, Kenji, Joseph Schulz, and Suresh Menon.2013 Large Eddy Simulation of a Free-Burning Arc Discharge in Argon with a Turbulent Cross Flow and External Field. 

Research of Flow Mechanism and Numerical Simulation on The Post-Prestressed Duct Grouting Geng Xu1,a, Renjun Yan1,b, Changlian She2 , Linzhi Xu1 ,Lin Xu 1, Fen Li1 1Wuhan University of Technology, Wuhan, Hubei, China 430063 2Beijing Zhong Ke Xin Engineering Consulting co., Ltd, Beijing, China a448087322@qq.com, byan_renjun@163.com Key words: prestressed duct; numerical simulation; design of prestressed duct; grouting speed Abstract: Post-prestressed duct grouting is a complex construction process and it is affected by many factors.
By the theoretical applicability and parameters analysis through the grouting process, this article used the numerical simulation method to analyze the grouting process and obtained the correspondence between the initial velocity, grouting pressure and grouting quality.
Through the method of finite elements numerical simulation, this article analyses the relationship between the inlet pressure, grouting speed and the molding quality.
This paper simulated the grouting process of prestressed concrete bridge, established finite element model of duct grouting, and CFD analysis method was applied to investigate non-full phenomenon in grouting process, the conclusions are followed: (1) Using the fluid motion to simulate grouting process of prestressed concrete bridge is available, and the simulation results can provide guidance for grouting construction, improve grouting technical level