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CFD Simulation of a Supercritical Carbon Dioxide Radial-Inflow Turbine, Comparing the Results of Using Real Gas Equation of Estate and Real Gas Property File Mostafa Odabaee1, a *, Emilie Sauret1,b and Kamel Hooman3,c 1School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, Queensland, 4072, Australia 2Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia am.odabaee@uq.edu.au, bemilie.sauret@qut.edu.au, ck.hooman@uq.edu.au Keywords: CO2 Brayton cycle, CFD, simulation, real gas, radial-inflow turbine, equation of estate, supercritical CO2 Abstract.
The present study explores CFD analysis of a supercritical carbon dioxide (SCO2) radial-inflow turbine generating 100kW from a concentrated solar resource of 560ºC with a pressure ratio of 2.2.
It is interesting to note that using RGP table with 100x100 size takes merely 28 seconds more to complete the simulation compared to timing of PREoS method.
The turbine performance comparison between the meanline analysis and 3D CFD is an interesting field of research and out of scope of this study; it will be investigated in another paper.
[11] Louda, P., et al., Numerical simulation of turbine cascade flow with blade-fluid heat exchange.

With the advancement of computers and CFD software, using the 3-Dimensional simulation of the flow within intake manifold is growing fast these days.
CFD code FLUENT was used for the steady state simulation and 1D wave code was used to obtain the boundary conditions for unsteady state simulation.
Summary of the literature review: For steady state simulations CFD codes FLUENT and STAR-CD has been widely used in the literature.
For most of the integrated 1D and 3D-CFD simulations, 3 to 4 engines cycles were used to determine real flow conditions of the engine operation.
CFD can perform the base of virtual simulation of the experimental test.

Email: xuewen.xiao@cisdi.com.cn Keywords: blast furnace, taphole angle, main trough, slag-metal separation, CFD Abstract.
Gas-liquid two phase flow of blast furnace taphole stream into the main trough is studied through computational fluid dynamics (CFD) method.
Tapping process of blast furnace with different taphole angles is simulated by volume of fluid model of CFD.
Fig. 1 Tapping model f) Simulation Parameters The numerical simulation involves gas and liquid two phases, air and molten metal.
Conclusion The blast furnace tapping process with different tophole angles is research by CFD method in this work.

Computational Fluid Dynamics (CFD) is used for the investigation of the aerodynamic characteristics of the truck.
With the development of computer technology, computational fluid dynamics (CFD) simulation in the vehicles aerodynamic characteristics has become an important research direction in automotive engineering for programming flexibly, getting more information, cutting costs and reducing engineering time.
However, CFD simulation still faces the challenge of predicting truck drag coefficients with accuracy and repeatability.
The heavy vehicle model is simplified appropriately to ensure the current simulation is going well.
Gu, The application of CFD methods to automobile aerodynamics, J2008 Journal of Hunan University, B09 52 [4] Fluent Inc.

There are many quantitative methods of building climatic design strategy, and these methods can be generalized as blow: building energy consumption calculation and analysis, natural light simulation, CFD simulation and coupled heat transfer simulation etc.
On the bases of practical building climatic design strategies of Wuhan construction building, this paper is about to focus on discussing the CFD simulation.
The following content will focus on discussing the methods of natural ventilation and CFD simulation.
This thesis taking the real conditions into consideration sets three CFD simulation cases, according to the simulation results to decide whether or not to continue adjusting design plan.
Then quantitative evaluation methods such as CFD simulation are adopted to evaluate the effects of these passive technologies, and at last methods should be adjusted in the interaction between architectural design and computer simulation.

Using CFD simulation programs allows researchers to study and analyze the characteristics of fluid flow without creating the real physical model.
The lubricant and solid properties used in the CFD model are listed in Table 1.
The simulation results indicate the significant effects of the surface roughness on the fluid flow in the TEHL problem as presented in Fig. 3.
Specifically, the pressure obtained by the CFD model varies across the entire film thickness.
Spikes: CFD modeling of a thermal and shear-thinning elastohydrodynamic line contact.

The computational grid that is used for CFD numerical simulation with CFDSOF®, hexagonal-surface fitted consist of 139440 cells.
CFD simulation done with α varies by 1, 1.1, 1.2, dan 1.3.
The computational grid that is used for CFD numerical simulation with CFDSOF® is shown Fig. 1.
CFD simulation at Re = 13000 shows there is no significant difference between all varied inverse-turbulent Prandtl number (α).
Effective Viscosity; Re = 63800 Conclusions CFD simulation with RNG k-ε has been performed.

Abstract: Based on the theory of Fluid Dynamics CFD and Fluid analysis software Fluent，we accomplished the flow field simulation of internal speed and internal pressure of pneumatic oil mist atomizer.
Carrying on the flow field simulation of Internal speed ​​and Internal pressure by the theory of CFD and fluid analysis software Fluent, we also made comparative analysis between experimental data and flow field simulation, which has certain practical significance[2],[3].
Meshing[4] is the pretreatment of CFD simulation and can determine the computational precision.
The results of simulation are shown in Fig.3~Fig6, respectively.
The results of simulation are shown in Fig.9~Fig12, respectively.

Four stages from starting to reaching the stable rotation are described in that paper, which provides a good validation case for CFD simulations.
Untariou et al. [6] studied the two-dimensional and three-dimensional unsteady flow field during self-starting of a H-type wind turbine using CFD simulations.
Chen et al. [8] studied the unsteady aerodynamic performance during self-starting of a two-dimensional H-type wind turbine with pitch angles of 0o, 10o and -10o using CFD simulations.
The aerodynamic performance and the bypass flow field of a H-type vertical axis wind turbine with symmetrical airfoil during self-starting are investigated using CFD simulations in this paper.
Conclusions The aerodynamic performance during self-starting of a H-type vertical axial wind turbine with three blades was investigated using CFD simulations in this paper.

In this paper, the flow characteristic of a Servco fume cupboard will be presented as a result of computational fluid dynamics (CFD) simulation using κ-ω turbulence model.
The design features which influence the performance of a fume cupboard has been the subject of research numerically through computational fluid dynamic (CFD) simulation.
CFD simulations has been used to investigate the effect of design elements in 2-dimensional such as louvered bypass and baffles and in 3-dimensional such as outlet and obstruction in front of a fume cupboard [8, 9].
The result is obtained using CFD simulation via κ-ω turbulence model.
CFD Set-up.