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With Eulerian Method of Moment (MoM) solvers for the CFD simulation of multi-phase fluid flow, the positions of bubbles or droplets are not modeled explicitly, but through scalar fields of moments.
In such simulations, the exact positions of bubbles are considered uncertain.
Method of Moments Multi-Phase Fluid Simulation.
Bart, "Populationsbilanzmodellierung mit einem Mehrphasen-CFD-Code und vergleichende Visualisierung," Chemie Ingenieur Technik, vol. 88, no. 10, pp. 1480-1491, 2016
Bart, "One-group reduced population balance model for CFD simulation of a pilot-plant extraction column," Industrial & Engineering Chemistry Research, vol. 49, no. 7, pp. 3442-3451, 2010

The finite volume method, by means of CFD FLUENT, is applied in this contribution.
The grid independence tests were performed by realizing CFD simulations in the domain examined, using different structured quadrilateral-type grid systems with the number of mesh nodes ranging from 35 to 145 along the channel depth and 95 to 370 along the length.
(iii) The rest of this research work could also be oriented towards three-dimensional modeling and simulation studies of the entire plane air solar collector.
Shi, Performance comparison of rod-baffle and segment-baffle heat exchangers using numerical simulations, Applied Mechanics and Materials 595 (2014) 128-133
Kang, Numerical simulation of flow fields in different baffled flocculation reactors, Advanced Materials Research 550-553 (2012) 3037-3040

The Meshing and Numerical Calculation Condition ICEM CFD software is pre-processor provided by the FLUENT company, which contains powerful geometric modeling capabilities and powerful meshing tools, and it could generate high-quality mesh model containing boundary layer, which could be directly used by FLUENT.
Based on the idea of ICEM CFD meshing, fluid model is cut into a number of regular geometric bodies, in order to improve the mesh quality; model is divided into hexahedral meshes according to different body characteristics, meshing with Cooper.
Fig.3 The grid and the grid quality of the gap oil film Basic assumptions in numerical simulation are as follows
The simulation results does not appear divergent which indicate how stable of FVM to solve the equation.
Furthermore, temperature field distribution of hydrostatic bearing which obtained form numerical simulation is accord with realistic which proved the reliability of the research method.

Viscous Dissipation Effects on the Coating Resin Flow Characteristics in High-Speed Optical Fiber Coating Process Kyoungjin Kim1,a* 1Department of Mechanical System Engineering, Kumoh National Institute of Technology, Gumi, Gyeongbuk 730-701, Republic of Korea akimkj@kumoh.ac.kr Keywords: Optical fiber, fiber coating, capillary coating die, viscous heating, CFD.
Thus, temperature dependence of coating resin viscosity needs to be included in the flow simulations.
A multi-propose CFD software, COMSOL Multiphysics 4.3, has been employed in solving the governing equations for continuity, momentum, and energy conservation for the flow and temperature fields of coating resin which is subjected to high speed fiber drawing and viscous heating.
All the simulations used the structured computational mesh and the total number of quadrilateral cells is approximately 8,000.
Jaluria, Simulation of the flow in a coating applicator for optical fiber manufacture, Comput.

Numerical Predication of Two-Phase Flow in Mixing Chamber of the Quick-Contact Cyclone Reactor Yuchun Zhang 1, a, Zhenbo Wang 1,b and Youhai Jin 1,c 1 State Key Laboratory of Heavy Oil, China University of Petroleum, Qingdao 266555, Shandong, China azhangyuchun29@163.com, bwangzhb@upc.edu.cn, cjinyh@upc.edu.cn Keywords: Eulerian model; gas-solid two-phase flow; quick-contact cyclone reactor; numerical simulation; FCC Abstract.
In this paper, the numerical simulation analysis of the quick-contact reactor was carried by using CFD software.
We used CFD software FLUENT6.3.26.
The simulation results are shown in figure 3.
The simulation results indicate that the two-phase flow in mixing chamber is very complex duo to the VGO injection and high turbulence intensity.

The results of the simulation are checked out through the experiments.
With the development of CFD and computer technology, three-dimensional flow field in torque converter can be calculated accurately.
Basic computational methods of flow field by CFD are simplified introduced in this paper [4]. 3-D geometric model of wheel in torque converter is built in UG.
The Simulation result is test by static endurance test.
The Simulation Model for Torque Converter Flow Field.

Study on the Sand/Dust Inject Approach in Sand/Dust Test System Hongwei Li 1, a, Hongyan Li 2,b, Ying Dong1, a, Haibo Han1, a, Li Niu1, a 1Baicheng Ordnance Test Center, Baicheng, China 137001 2Heilongjiang College of Construction, Harbin, China 150028 alhw467@sohu.com, blihongyan2003@sohu.com Keywords: Hydromechanics; gas/solid two-phase flow; CFD; environmental test Abstract.
In order to obtain the anticipated sand/dust concentration and uniformity in the test segment, numerical simulation methods are adopted to study the characters of different sand/dust inject approaches.
The numerical simulation results applied in the optimal design of particles inject system in some large sand/dust test system get a favorable progress.
All these factors coincide with the discrete phase model’s characters of the Fluent, so discrete phase model is adopted in this simulation.
Numerical Simulation and Experiment Study on Efficiency of Inertia Separator.

The first part of the article briefly presents the results of the air flow computer simulations.
Due to lack of the proper wind tunnel at the home university, it was decided to use the computational fluid dynamics (CFD) technique.
Boundary conditions for the air flow simulations – sloped torus Fig. 2.
Similar graphs, obtained from experiments in wind tunnel or numerical simulations, can be found in [2,3,4].
The comparison of the wind force obtained from Eq. 27 and the previously described air flow simulations shows, that as far as the straight cylinder is concerned, differences between the results of the analytical and numerical method very rarely exceed 10%, where the CFD method gives smaller values.

The result that obtained by simulation calculation can provide theoretic reference for the valve design.
With the rapid development of computer technology, Computational Fluid Dynamics (CFD) numerical simulation, with its low cost and its competency to simulate complex or ideal working condition, plays an irreplaceable role in developing hydraulic pressure products.
The result obtained by simulation calculation can provide theoretic reference for the valve design.
Numerical Simulation of the Flow Field of the Throttle Control Valve Modeling.
Parameters Determination and Simulation.

Haitao Bao, used the dynamic meshing technique of the computational fluid dynamics (CFD) software to analyze the distribution and its mechanism of piston wind[3]; Lihui Wang had set up a scale model for the metro operation, in order to make clear the variation law of wind speed from the three- dimensional direction, which makes up for some research black about this part[4].
Many scholars have deeply study the influence of the piston effect on the velocity and temperature field of the subway station: Kuichao Yin analyzed the influence of the piston effect on the velocity and temperature field and long-term variation law of temperature in different seasons and at different times according a large number of experimental data and CFD simulation at Tianjin subway station, he also analyzed the applicability of shielding door with vent[11]; Tao Li took the Dongdan subway station of Beijing Subway Line 1 as example to study the influence of the piston effect on the velocity and temperature in the subway station, and proposd measures to control piston wind effectively and improve the subway environment[12]; Li Jia and his partners simulated the transient process when train entered and left the station using Computational Fluid Dynamics (CFD) software, and analyzed the piston effect on air flow and discussed the role of piston effect on natural ventilation at the station
Shuyun Dong summed ​​up the impact of the piston wind on load through experiment and numerical simulation, and confirmed that effective use of the piston wind is one of energy-saving measures, which could reduce the energy consumption of subway ventilation and air conditioning system[15].
Yun Han, Lei Zhao used numerical simulation to study the effect on subway tunnel ventilation for different shaft forms, and pointed out that direct draught relief shaft was more advantaged then the skew shaft[17].
Xi'an: Xi'an University of Architecture and Technology, 2010 [3] Haitao Bao: The Numerical Simulation of the Piston Wind in Subway Station[D].