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The CFD analysis can save the cost and time.
Results and Discussion Computerized simulations were performed via the CFD software ANSYS/Fluent® to study the outdoor wind field for predicting the comfort level of three pavilions of Xinsheng Park in Taipei Flora Expo.
F. van Heijst, “CFD simulation of near-field pollutant dispersion on a high-resolution grid: A case study by LES and RANS for a building group in downtown Montreal”, Atmospheric Environment, vol. 45, 2011, pp. 428-438
Carmeliet, “Application of CFD in building performance simulation for the outdoor environment”, Building Simulatio, vol. 11, 2009, pp. 489-496
Glicksman, “Application of integrating multi-zone model with CFD simulation to natural ventilation prediction”, Energy and Buildings, vol. 37 , 2005, pp. 1049–1057

The CFD simulations are performed using Star-CCM+.
This paper demonstrates the use of CFD in an underground train station.
By using the software, the simulation of the smoke flow in the building can be simulated through basic CFD simulation methods [6].
In the CFD analysis, the extent of heat released need to be specified in order to run the simulation.
Blocken, CFD Simulation of cross-ventilation for a generic isolated building: impact of computational parameters, Building and Environment. 53 (2012) 34-48

Research based on CFD for Helical Intake Port Position Defect of Diesel Engines Xiao Mi LinYi University, Linyi, China mixiao@lyu.edu.cn Keywords: Diesel Engine; Intake Port; 3-Dimensional Numerical Simulation; CFD Abstract.
The simulation is made using the software AVL FIRE in this paper.
In order to make good comparisons with intake port steady flow test results, the original data of CFD simulation computation is imported into the data handling program of the steady flow test rig and transformed to evaluation parameters of intake port (Ricardo method).
Conclusions The variation tendency of the average Ricardo Flow Coefficient and Swirl Ratio of the position deviations models is in accord with the result of steady flow test, which illustrates that the CFD numerical simulation is a practical method to guide the improvement of the intake port production.
LaimbÖk, Gerhard Meister, Simon Grilc, CFD Application in Compact Engine Development, SAE Paper No.982016, 1998

Optimization Design and CFD Study of Nature Gas Engine Inlet Jiao Yunjing1; Si Pengkun2,Zhang Zili3 ①Tianjin university Tianjin internal combustion engine institute (Tianjin, 300072) ②Chengde petroleum college (Chengde,067000) ③Dongfeng Nanchong Automobile Co.Ltd (Nanchong,637000) Email:jiaoyj1234567@163.com Keywords: Internal combustion engine; inlet port; CFD Abstract: By adopting CFD numerical simulation software, the steady numerical simulation of original engine inlet is carried on.
From the simulation of CFD, we can learn that with the different inlet, the average flow velocity increases when the swirl ratio rises in same cross-section.
Then the geometric models was built with CAD software and imputed into the CFD software.
The steady simulation was carried on to work out the simulation values.
The CAD models were inputted into the CFD software to mesh.

CFD modeling and simulation of transesterification reactions of vegetable oils with an alcohol in baffled stirred tank reactors Isabela M.
Thus, in this work, a CFD simulation of transesterification was performed, with reaction rates being evaluated by solving a set of differential equations describing the reaction kinetics.
Simulation Model Development The simulations were conducted with the CFX 12.1 code (ANSYS, Inc., USA).
Fig. 4 - Molar concentrations versus simulation time (in seconds) for the CFD simulation with 0.5, 1.0 and 1.5 kg/s flow rates of ethanol-KOH mixture utilizing Komers’ GEPASI constants.
Higher yield (43%) was obtained using these constants in the CFD simulation, but still there was a difference from the yield presented in [3], which can be calculated as 47%.

Therefore, a CFD model is developed to study the hydrodynamic of a rising bubble in HT.
Schematic diagram of the CFD domain.
Experimental data [8] and simulation data [9] is used for mesh validation.
From the simulation test result shown in Figure 4, little difference is shown from M1, M2 and M3 plot.
Here, it is observed that M2 mesh shows best fit with the experiment data [8] and simulation data predicted by [9].

CFD simulation of heating a Cu pipe with a safe H2/O2 flame Lars Kjäldman* and Jouni Syrjänen VTT Technical Research Centre of Finland POBox 1000, FI-02044 VTT, Finland Lars.Kjaldman@vtt.fi, Jouni.Syrjanen@vtt.fi * corresponding author Keywords: CFD, Heat transfer, Brazing.
This paper describe the application of CFD modelling to study the heating of a Cu pipe by a H2/O2 flame.
Burner cases for brazing studied through simulation.
Modeling approach In the CFD simulations the commercial Fluent (version12.1.2) code was utilized.
Simulation results Simulation results are shown in Figures 2-5 and compared to experiments in Figures 6 and 7.

CFD simulation on flow field of Gas-Liquid Taylor flow in circular capillaries Zhiqun Pan1,a, Xubin Zhang1,b, Jing Tang1,c,Wangfeng Cai1,d 1School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China azqpan563@126.com, btjzxb@tju.edu.cn, ctangjingwenjie@163.com,dwfcai@tju.edu.cn Keywords: CFD simulation; flow field; Taylor flow Abstract: Computational Fluid Dynamics (CFD) was used to simulate the flow field of gas-liquid Taylor flow in circular capillaries.
In this paper, the CFD simulations were adopted to study the flow field both inside liquid slug and within the liquid film during gas-liquid Taylor flow.
Simulations were performed in a reference frame in which the bubble is stationary and the system moves up with the bubble rise velocity.
The details of variations of parameters used in the simulations are listed in Table 1.
Conclusion CFD simulations have been used to study the influences of different parameters on both the Vx,top and Vx,film.

This research is to design the uniform airflow distribution throughout the drying chamber using CFD simulation for kenaf core drying.
Experimental work and simulation by CFD were carried out to obtain a uniform drying airflow and temperature distribution.
Jacek Smolka et al. [4] studied a numerical model of a drying oven using the CFD simulation.
The turbulent model is used in this CFD simulation.
CFD simulation is very useful in predicting the air velocity, temperature and pressure in the drying chamber.

CFD Simulation and Retrofit of Natural Vventilation in a Steel Workshop Yaxin Su1, a and Xin Wan2, b 1School of Environmental Science and Engineering, Donghua University, Shanghai 201620, China 2Wuxi Municipal Project Quality Control Station, Wuxi 214011, China asuyx@dhu.edu.cn, bwanxin840207@mail.dhu.edu.cn Keywords: natural ventilation; industrial workshop; numerical simulation Abstract.
With the development of numerical methods and simulation technologies, computational fluid dynamics (CFD) calculation has become a powerful tool for natural ventilation design and investigation.
A preliminary CFD simulation was carried out to investigate the air flow inside the workshop by the same authors [9].
The present simulation was conducted on the natural ventilation in the hot bay.
Fig 9 and 10 presented the CFD results.