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Simulation results showed that the horizontal arrangement of the heat source in the workshop influenced heavily the air flow and temperature distribution.
Numerical simulation based on computational fluid dynamics (CFD) method provides a powerful tool for natural ventilation design and parameter optimization [1].
Many authors used CFD to study the natural ventilation of different buildings [2-5].
Numerical model and simulation method.
Realizable k−ε turbulent model [8].was selected for the CFD calculation after several trial calculations and comparison to related experimental data.

In this paper, numerical simulation method was employed to analyze the hydraulic characteristics in a tangential vortex dropshaft.
As an assistant tool, CFD software (e.g., Fluent, CFX) provides fast, accurate, and flexible fluid flow and thermal simulation tools to help predict flow characteristics, optimize designs, and validate structure behavior before it was built—minimizing reliance on costly physical prototypes.
Easily explore and compare design alternatives and better understand the implications of design choices using the CFD software.
CFD model of these vortex drop shaft was developed on the FLUENT platform.
Project and CFD Vortex Dropshaft Model Description The tangential dropshaft is part of a drainage system.

The distribution law of inner flow was analyzed by using the SIMPLEC algorithm and multiple reference frame (MRF) model provided by CFD software Fluent.
The numerical simulation adopted CFD software Fluent to inner flow in the multistage pump impeller and guide vanes of DG85-80×10 type boiler.
Numerical simulation method Geometry Model and Meshing.
Numerical Simulation and Optimization of the Flow Field of the Multi-stage Centrifugal Pump.
Study on Three-dimensional Numerical Simulation of Turbulent Flow in the Centrifugal Pump with Long and Short Blades.

Numerical Simulation of Vertical Axis Wind Turbine Blade Airfoil Performance ZHAO Li-Hua1, a, LIU Ming1, b, LV Tie2, c , MEI Xiao-Qun2, d 1School of Mechanical Engineering, Northeast Electric Power University,Jilin 132012,China 2Zhejiang Zhoushan Cengang Wind Power Co.
CFD simulation software has been applied in this paper.
Representative lift-type vertical axis wind turbine airfoil NACA0014, NACA2414, NACA4414, NACA6414, NACA8414 's aerodynamic simulation have been studied.
Through CFD simulation software, based on two-dimensional structure of the grid for five levels of relative thickness of 14%, relative curvature respectively of 0,2%, 4%, 6%, 8% of the airfoil aerodynamic performance is analyzed.
Computational fluid dynamics, CFD analysis software principle and application [M].

In this paper, the latest CFD methods were adopted for simulation of railway body heat transfer coefficient.
Numerical simulation Simulation for body heat transfer coefficient was carried out by CFD program for PC computers.
By CFD program flow and temperature fields can be simulated, analyzed and displayed.
Figure 2 Two-dimensional model for simulation CFD model and boundary conditions CFD model For the simulation the inside or outside the vehicle was steady natural laminar flow with incompressible fluid.
Conclusion The latest CFD methods were adopted for numerical simulation of railway vehicle body heat transfer coefficient.

Steady state simulations were performed using three dimensional commercial CFD solver with appropriate boundary conditions.
Rahman et al. [2] modeled and simulated a typical kitchen using 3-dimensional CFD code.
Steady simulations were performed for all cases and allowed to run up to 1000 iterations.
Steady simulations were performed with adiabatic wall condition to compare the numerical results with the experimental data.
Good comparisons gave us the confidence that the current numerical method can be adopted for the kitchen ventilation simulations.

Simulation of Velocity Field of Two-phase Flow for Gas and Liquid in the Abrasive Water Jet Nozzle R.G.
Simulation on velocity field of gas-liquid flow in the abrasive water jet nozzle was studied by the computed fluid dynamics (CFD) software, The complex velocity field of the flow in the abrasive water jet nozzle can be obtained by means of simulation.
With the development of computer technology and computed mathematics, the CFD software was developed.
The following are the two equations used by CFD [5]: Continuum Equation.
Simulation Result and Discussion For the simulation of two-phase flow, the simulation equations are firstly discreted into the difference equations, then the procedure can be programmed.

In this work, CFD simulations of FSP are first carried out to predict microstructural evolution in stirred, transition and heat affected zones of AZ31 Mg alloy sheets.
Numerical Modeling CFD Modeling of FSP.
Results and Discussion FSP Simulation Results.
Superplastic Forming Simulation Results.
CFD simulations coupled with Zener-Holloman relation were used to accurately model friction stir process and predict metallurgical aspects of processed sheets.

CFD Analysis of Static Pressure on the Casing of Taker-in in Carding Machine Han Xianguo1, Sun Pengzi 2,a, Zhao Yeping1, and Cao Jipeng2 1School of Mechanical and Electrical Engineering, Eastern Liaoning University, Dandong, China 2School of Fashion and Textile, Eastern Liaoning University, Dandong, China akyc3@163.com Keywords: static pressure; casing of taker-in; carding machine; CFD analysis; FLUENT Abstract.
This paper gives a model of using CFD to calculate the airflow between taker-in and its casing in the A186 carding machine for researching static pressure of the airflow with FLUENT software.
However, it is rarely reported that using CFD research the airflow pressure between taker-in and its casing.
This paper introduces a two-dimension airflow model of CFD in FLUENT software for analysis of the airflow between taker-in and its casing.
Numerical calculation of CFD on the casing of taker-in Distribution of static pressure under different speeds The experiment was conducted under steady state conditions.

Therefore, the numerical simulation model should describe the experiment model as accurate as possible and even slight differences may also result in greater differences in the simulation results.
Fig.2 Computational grid for the TAU0015 airfoil Numerical Simulation Validation First, the numerical results of airfoil are compared with experiments data of Seifert and CFD results of INS2D [9] program to verify the reliability of the calculation code.
Fig.3 Comparison of CFD results with experiment and INS2D program Fig.4 Cp comparison of CFD results with experiment data Flow Control Performance The numerical simulation was conducted on the TAU0015 airfoil with synthetic jet.
The CFD result agrees well with the experiment data and program.
Further exploring CFD-based gust response and gust alleviation.