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China 2State Key Laboratory of Automotive Simulation and Control, Jilin University Changchun, R.P.
The cyclic-mean values of the in-cylinder gas-to-wall heat transfer coefficient and bulk gas temperature were obtained from the comprehensive thermodynamic cycle simulation by the software-GT Power.
[2] Qun Chen, in: CFD Analysis of Cooling Water Jackets in Automotive Diesel Engine [D].
[3] Shengguan Qu, Wei Xia, Ronghua Huang, etc., in: Experimental Research and CFD Analysis of the Cooling Water Flow in Engine Cylinder Head [J], submitted to Journal of South China University of Technology (Natural Science Edition), 2004.32(8): 42-46
[5] Günter P.Merker, Christian Schwarz, Gunnar Stiesch, et al., in: Simulating Combustion: Simulation of Combustion and Pollutant Formation for Engine-development [M].

Detached Eddy Simulation (DES) is used to produce the flow field of the model.
Simulation Methodology Geometry.
It has been simplified by removing all small and medium sized parts and filling up the cavities because the real model is too complex for the current CFD study.
Simulation Setup.
The commercial software package Fluent was used for simulation.

Numerical Study on the Heat Transfer Characteristic in Periodical Variable Cross-section Channel Li Li, Xiaoze Du School of Energy and Mechanical Engineering, North China Electric Power University Beijing 102206, China doubleli@ncepu.edu.cn, duxz@ncepu.edu.cn Key words: heat transfer, numerical simulation, variable cross-section Abstract.
A commercial CFD software Fluent is used for the numerical solutions.
The grid independence is carried out to raise the accuracy of simulations.
Conclusion Average heat transfer characteristics in a multi-period converging-diverging channel in steady regime have been investigated through numerical simulation.

The efficiency of the developed algorithm is demonstrated by the numerical experiments on the simulation of the three-dimensional turbulent steady flowfield generated by the transverse hydrogen injection into the supersonic air cross-flow.
Introduction At the present time, TVD (Total Variation Diminishing), ENO (Essentially Non-Oscillatory) and WENO (Weighted ENO) schemes are successful tools for numerical simulations of supersonic flows.
The efficiency of the developed algorithm is demonstrated by the numerical simulation of the three-dimensional turbulent steady flowfield generated by the transverse hydrogen injection into the supersonic air cross-flow by solving the Reynolds-averagedNavier-Stokes equationsclosedbythe turbulent model.
The methodology developed here is aplicated to the numerical simulation of the three-dimensional turbulent steady flowfield generated by the transverse hydrogen injection into the supersonic air cross-flow by solving the Reynolds-averaged Navier-Stokes equationsclosedbythe turbulent model.
Wilcox: Turbulence modeling for CFD (DCW Industries Inc., USA 2000) [9] Ye.

Simulation of gas-solid flow characteristics in three-dimensional rotational spouted-fluidized bed Long Xinfeng1, Liu Yi1, Lou Bo2 (1.School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China;2.
The numerical simulation of the fluidized bed is mainly a two-dimensional one of spouted bed based on Euler two-fluid model and particle kinetic theory.
References [1] Wang Xiaojing,Li Lianbo.Numerical simulation and experimental study on rotational gas flow field in spout-fluidized bed[J].Chemical Industry and Engineering, Vol.24(4)(2007)：p.321-324,328
Numerical simulation of Gas-particle Hydrodynamics in CFB[J].Power System Engineering, Vol.27(6)(2011)：p.6-8
,Limtrakul, S. et al.Axial gas and solids mixing in a down flow circulating fluidized bed reactor based on CFD simulation[J].Chemical Engineering Science, Vol.73(2012):p.8-19.

Box 119-13000-Tlemcen Algeria 2Mechanical Engineering Department, Prince Sultan Endowment for Energy and Environment, Prince Mohammad Bin Fahd University, Al-Khobar 31952, Saudi Arabia 3Faculty of Military Science, Stellenbosch University, Private Bag X2, Saldanha 7395, South Africa a*menniyounes.cfd@gmail.com, bachamkha@pmu.edu.sa, cmakinded@gmail.com Keywords: Forced convection, Nusselt number, thermal enhancement, w-baffle, heat transfer aspect.
The simulations were performed for different geometries with varying louver pitch, louver angle and different louver blade number.
The simulations were performed for four rib shapes, i.e., square, triangular, trapezoidal with decreasing height in the flow direction, and trapezoidal with increasing height in the flow direction.
To perform a detailed analysis of the aerodynamic and thermal fields within this model of W-baffled channel, the finite volume approach, by means of Commercial CFD software FLUENT, for a steady-state, incompressible, and two-dimensional flow is used, and the SIMPLE-algorithm is implemented for all calculations.
CFD Solution The two-dimensional, incompressible Navier–Stokes equations and the turbulence model equations are discretized using the finite volume method, details of which can be found in Patankar [27].

The effect of cycle time on the simulation is shown in Figure 3.
The simulation was used to discuss the effect of pressure, total cycle time and temperature due to oxygen concentration.
Tan, “CFD modeling of the perovskite hollow fiber membrane modules for oxygen separation,” Chem.
Boniface, “Numerical simulation of a pressure swing adsorption oxygen unit,” Chem.
Chou, “Simulation study of separating oxygen from air by pressure swing adsorption process with semicylindrical adsorber,” J.

., No. 10-2-2, Medaniaga Siswa Jaya, Taman Siswa Jaya, Parit Raja 86400 , Johor, MALAYSIA amkamil@uthm.edu.my, bosama_43@yahoo.com, cakmaln@uthm.edu.my, dzaid@kaffconsultancy.com Keywords: Flat-Plate Film-cooling, CFD, CFX, RANS, URANS.
The computational domain is laterally restricted to include just half of the cooling hole and one cooling hole for RANS and U-RANS simulations respectively.
The near wall regions of the domain occupied with prism layer at y+ value less than one to provide better resolution for the simulation.
The boundary conditions of the simulation correspond to the experimental setup of Pietrzyk [5] as shown in Table 1.
In addition, the comparison of the cooling effectiveness on the wall between all model simulations shown that SST and U-RANS model simulations predicted a higher cooling efficiency than other models.

Verify the accuracy of the simulation results.
Verify the accuracy of the simulation results.
Verify the accuracy of the simulation results.
Verify the accuracy of the simulation results.
[4] Jürgen Schmidt, Wolfgang Peschel: Experimental and theoretical studies on high pressure safety valves(Journal Of sizing and design supprted by numerical calcula-tions (CFD), China 2009)

The numerical simulation for indoor thermal environments of the greenhouse strawberry was carried out.
And the method of the numerical simulation was demonstrated and improved by the experiment.
Numerical simulation of the strawberry greenhouse The method of the numerical simulation was adopted to study the indoor temperature field and velocity field in the strawberry greenhouse effected by outdoor environmental parameters.
Table1 The setting of variable parameters for each condition of numerical simulation Cond.
CFD simulation of the night of greenhouse environment on the condition of winter heating[D].