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Numerical simulation of corrugated depth on the performance of plate heat exchanger Yuhan Zhao, Yifan Wu, Haijin Cheng, Guolei Zhu Shanghai University of Engineering Science, China yuhanooo@hotmail.com Keywords: corrugation depth, plate heat exchanger, numerical simulation Abstract.
In this paper the numerical simulation is performed by using the CFD soft FLUENT.
In the following sections, numerical simulations will be explored on the flow resistance and heat transfer performance of the plate heat exchanger.
Numerical simulations on flow and heat transfer characteristics The sketch of the plate heat exchanger is shown in Fig. 1.
Simulation of stirred yoghurt processing in plate exchangers, Journal of Food Engineering, 2005, 69: 281-290

In order to explore the performance of precalciner, numerical based on the Computational Fluid Dynamics (CFD) is applied widely in the engineering field due to its accurate numerical prediction for the flow, heat exchange, chemistry reaction and multiphase flow[4].
In this paper, CFD numerical simulations of pulverized coal combustion in precalciner are studied.
To simulation numerically, the structure need to be meshed by Gambit software, as shown in Fig. 3.
Numerical Calculate Process The boundary values in simulation are determined by the thermal data of cement plant with the capacity of the 5000t/d.
Simulation Results Analysis Temperature Field Simulation Analysis.

CFD Analysis of the EGR Cooler’s Heat Transfer Performance Zhi’en Liu 1, a, Yu Xu 1, b Wuhan University of Technology School of Automobile, Wuhan, China 430070; a lzen@whut.edu.cn, b smile4xy@sina.com Keywords: EGR cooler; Heat-flux coupling; temperature field; Abstract.
A CFD simulation of the performance of an EGR cooler was carried out.
This model based on decomposition methods was applied to the temperature field simulation under different EGR cooler rate and the simulation results were in good agreement with the experimental results.
Pic.7 Simulation result of the EGR gas-outlet part.
We got the average temperature of the outlet through simulation.

Keywords: biodiesel, microalgae, spiral bubble column reactor design, CFD analysis.
Numerical simulation Using commercial software CFX-14.0, 3-dimensional simulation is carried out in both the cylindrical bubble column reactor and spiral path followed bubble column reactor.
The transient simulation is performed with time step of 100×0.005, 100×0.1, 100×0.25, 53×0.50, 40×1 and 24×2.
CONCLUSION: Three-dimensional simulations of gas–liquid flow both in the bubble column reactor and spiral path column reactor have been carried out using the Euler–Euler approach.
[3] Ekambara K., Dhotre M.T., 2010, “CFD simulation of bubble column”, Nuclear Engineering and Design, 240(5): 963–969

While CFD technology can make up for the deficiencies of experimental researches and provide directional guidance for the experiment .
In 1994 the turbomachinery committee of the Inter-national Gas Turbine Institute (IGTI ) have them used blind topic test evaluates the accuracy and reliability of the CFD program.
The simulations for high density and low density grids form based on R37 compressor rotor were performed.The result of simulations was compared with the related experimental data in order to study turbulence model influence on grid without dependence requirements.
Turbulence model Numerical simulation method based on the Reynolds average navier-stokes equations (RANS) has been widely used at present.
Rotor37-Blind Test Case, ASME: CFD Code Assess

The numerical simulation of the flow field in the micro-pressure inner loop reactor LIU Jiang-chuan1, a, YIN Zhi-gang1,b and JI Wei1,c 1School of Water Resources and Environmental Engineering, Changchun Institute of Technology, Changchun 130012, China aLiujiangchuan@yeah.net, bYinzhigang1972@163.com, cJiwei2012gc@163.com Keywords: the micro-pressure inner loop reactor, numerical simulation, mixture model Abstract.
The continuity equation: The Momentum equation is got though the summation of all respective phase momentum equation, it can be represented as the following: The relative speed is defined as the second phase: The relationship between the relative speeds and the drift velocity can be represented by the following formula: The equation of volume fraction: Numerical Simulation The micro-pressure inner loop reactor which is used in this model is shown as the figure 3, The length of the container is 80 cm, The height of the container is 60 cm, The width which is located at the top of the right side of the tube is 8 cm, and the height is 30 cm, it is connected with the atmosphere.
The Simulation Results and Discussion By calculating, we can get the velocity distribution field; trace the whole calculation domain and the volume fraction of air, the calculation results are shown in the figure 4 to figure 7. (1)The figure 4 is a velocity vector diagram of the hybrid model, the boundary of the contact with the atmospheric outlets meets the reality, because the gas which is squeezed out constantly can cause the velocity of gas-liquid mixing, and the velocity vector is Sometimes positive, sometimes the reverse.
Numerical Simulation and Experimental Study on Micro-Pressure Internal Circulation Reactor, J.
Edi.), 14(4). 11-14(2013) (In Chinese) [7] XU W, YU G, XUE C H, etal, Biochemical Changes Associated with Fast Fermentation of Squid Processing By-Products for Low Salt Fish Sauce, Food Chemistry, 107(4).1597-1604(2008) (In Chinese) [8] XIAO Hao-fei, ZHOU Mei-hua, CFD Simulation of Gas-Liquid Flow in Aeration Tank, Journal of Anhui Agri.

Flow configuration and simulation Methodology Geometry and Computational Grid.
(Fig.4) Fig.3 Blowing apertures grid Fig.4 The structured grid near the high-lift airfoil Simulation Methodology.
The commercial CFD flow solver, Ansys Fluent, was used to compute the flow field.
In all simulation cases, the free stream Mach number was fixed at 0.2 and the Reynolds number based on the stowed chord was about 20 millions.
Since this simulation is only two-dimensional, no flap side-edge related noise signal is included[12].

Experimental Investigation and Simulation of Silicon Droplets Formation during SiC CVD Epitaxial Growth G.
Simulation model A commercial computational fluid dynamics simulation software package Fluent 6.1 was used in this work.
CFD simulation confirmed existence of the thermal gradient between the edges and the rest of the wafer.
In this simulation, the Fig. 1.
Summary The conducted comparison of the experimental results of SiC epitaxial growth and CFD simulations demonstrated that computational fluid dynamics simulation can realistically predict the kinetics of the droplet formation during the epitaxial growth of silicon carbide.

Effects of intake pressure difference on the flow near valve seat in diesel engine using three dimensional computation Hongmeng Li1, a, Guoxiu Li1, b, Yusong Yu1, c,Ronggang Gao1, d, Peng Zhao1, e and Ye Yuan1, f 1School of Mechanical and Electronic Control Engineering, Beijing Jiaotong University, Beijing 100044, China a11116350@bjtu.edu.cn, bgxli@bjtu.edu.cn, cysyu@bjtu.edu.cn, d10121593@bjtu.edu.cn, eemailzp@163.com, f10116322@bjtu.edu.cn, Keywords: diesel engine; intake port; discharge coefficient; pressure drop Abstract：In this paper an extensive CFD simulation of a four-stroke diesel engine is done.
In this research, we set four intake pressure fifferences-10kPa, 50kPa, 100kPa, 150kPa for simulation.
Geometrical model The geometrical models for computation include air inlet pressure stabilizing chamber, intake port, valve seat, valve and Simulation cylinder.
(In Chinese) [2]Yuan-jing Hou.Three Dimensional Simulation for Dual-Intake Ports of Turbocharged Diesel Engine[D]Beijing: Beijing Jiaotong University,2011.
(In Chinese) [3]AVL fire Version 2008——CFD Solver．2008.6．38-40 [4]DurbinP.

Study of Simulation The Different Heating End for Thermal Environment in Atrium in Passive Buildings Sujuan Fu1,a,Shiyong Zhao1,b,Yang Jin2,c,Yixian Liu2,d 1Heibei Academy of Building Research , China 2 Tianjin Chengjian University, China aemail: fsj2503@163.com bemail:zhaoshiyongaa@163.com cemail:jinyangyouxiang@163.com demail:liuyixian123456@163.com Keywords: Heating, End, Thermal environment, Fluent Abstract.
This paper introduces Hebei Building science research and Development Center energy-saving design of passive public buildings by the simulation of soft Fluent, analysising the effect of thermal environment in atrium using fan coil and geothermal, geting the conclusion that the geothermal coil is more efficient than fan coil, Providing a new idea for the passive public building energy efficiency design.
Fig. 2 Building side view The project atrium and corridors in a large space for open, the underlying conditioned comfort requirements to meet the conditions of the area, the court upper must meet certain department of comfort, Because of the conventional design methods can not be a good solution for the air terminal design problem, this paper simulations of two different ends of the heating effect and thermal environmental analysis by CFD, to provide a theoretical basis for solving what kind of ends.
This paper is divided into two program to simulate the atrium temperature field in winter, respectively:fan coil units and radiant floor, simulation program table and boundary conditions are shown in Table 3.
Fig. 3 Fan coil heating temperature field Fig. 4 Radiant floor heating temperature field Summary In this paper, introduces building envelope, heat and cold sources for air-conditioning, air-conditioning system form and many aspects of the German passive low-energy saving technology building were discussed, and the application of CFD software to simulate different terminal of the winter heating atrium heating temperature field, comparative analysis of radiant floor heating used in large atrium energy savings in public buildings.