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Effect of Flow Exit Angle and Blade Height on the Temperature Distribution of a Typical Gas Turbine Rotor Blade Esmail Poursaeidi1,a, Maryam Mohammadi2,b ,Seyed Sina Khamesi3,c 1 Department of Mechanical Engineering, Zanjan University, Zanjan, Iran 2 Department of Mechanical Engineering, Zanjan University, Zanjan, Iran 3 Department of Mechanical Engineering, Science and Research Branch, Islamic Azad University, Khorasan Razavi, Neyshabur, Iran a epsaeidi@znu.ac.ir ,b mohammadi88.maryam@gmail.com, c sina.khamesi@gmail.com Keywords: gas turbine blade, temperature distribution, blade height, flow exit angle, CFD analysis.
In the next section a CFD analysis based on finite volume method (FVM) is presented by using the real operational conditions of the turbine.
Flowchart computations Step II Geometry and mesh For exact and real simulation of the gas turbine moving blade at the first step, the general geometry of the design was characterized by using the industrial plans and gas turbine moving blade.
For simulation and perform the finite volume computations a proper mesh is required, that Gambit 2.3 software was used for this purpose.
Heat transfer rate of blades Blade height [m] Heat transfer rate[w] Optimized blade (0.212 m) 934568.5 Real blade (0.220m) 933865.3 References [1] POURSAIDI, E., KHAMESI, S.S., AND MOHAMMADI, M., 2011: “DESIGN A TYPICAL GAS TURBINE BASED ON THERMODYNAMIC RELATIONS AND CFD ANALYSIS OF ITS ROTOR BLADE”, ASME-JSME-KSME JOINT FLUIDS ENGINEERING CONFERENCE 2011, 24-29 JULY, HAMAMATSU, JAPAN

Simulation of hot air flow For the hot air velocity simulation, the mathematical model of the flow in the solar updraft tower was proposed by [5], as = (1) Where A is flow area, is roof area, is specific heat at constant pressure, g is gravitational acceleration, is tower height, is mass flow rate, is isolation, R is gas constant, T is temperature, V is wind velocity, is density, is specific heats ratio, subscripts 1, 2 are position at roof inlet and position at tower inlet respectively.
Comparison of heated air velocity was done between the result of the CFD program and the prototype in Spain.
From the computer simulation results of this model showed that the velocity is similar with the prototype in Spain and [5-6].
After that, another solar updraft tower model was made in the CFD programs, for collecting the data, to be used in designing and construction of small-scale solar updraft tower, the dimension of each model as shown in table 1.
The CFD results of the model 2 are shown in Fig 5.

Taking a representative civil building with inside heating sources as the research object, using the technique of CFD, changing the height difference between inlet and outlet center, this paper gives simulation on the fluid field caused from thermal natural ventilation, analyzes the velocity field and temperature field under different simulation conditions, presents the influence rule of the height difference between inlet and outlet on thermal stratification in rooms.
Using computational fluid dynamics (CFD) methods, changing height difference of inlet and outlet center, this paper simulated the indoor flow field caused from thermal natural ventilation, analyzed the velocity field and temperature field under different simulation conditions, studied the influence rule of the height difference between inlet and outlet center on thermal stratification in rooms.
Because the velocity and direction of wind can’t be forecasted in thermal ventilation, the boundary setting of numerical simulation becomes difficult.
This paper took the porous-jump boundary condition for inlet, extended the simulation area infinitely far.
The simulation adopted heterogeneous mesh.

An aero-thermo-elasticity method applied on the supersonic aircarft model TANG Hong 1,2,a ,CHEN Guoguang1 ,HE Huizhu 1,2 1College of Mechatronic Engineering, North University of China, China 2 Jinxi Industries Group, Taiyuan, China axichenght@126.com Keywords: Coupling; Aerothermoelasticity; Supersonic; Aircraft; CFD;CSD; Flutter; heat transfer Abstract.
In this paper, an ATE analysis of aircraft adopted by computational fluid dynamics/computational structural dynamics (CFD/CSD) methods, and compared with the traditional analysis, to provide analytical tools for the supersonic aircraft design.
Aileron buzz simulation using an implicit multiblock aeroelastic solver.
Vio, Grigorios Dimitriadis, "Aeroelastic system identification using tran-sonic CFD data for a wing/store configuration," Aerospace Science and Technology Vol.11,2007: 146-154

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.

Numerical simulation Geometric model and calculation domain.
In order to verify the accuracy of the simulation results, the boundary conditions of the test are consistent with the numerical simulation.
Aerodynamic Drag Simulation and Validation of a Crossover.
CFD Analysis of Various Automotive Bodies in Linear Static Pressure Gradients.
CFD-Based Shape Optimization for Optimal Aerodynamic Design[C]∥SAE Paper 2012-01-0507 [9]Wang Fujun ．

Next, it presents the development of CFD-based motion simulator for guidance and control of PLATYPUS[4].
We have developed a CFD-based motion simulator for guidance and control of PLATYPUS.
Point to Point (PTP) Control Simulation using Fuzzy Control Algorithm.
We analyzed fluid-structure interaction using FEM program and CFD program iteratively at each step.
Fukui: Motion Simulation of an Underwater Vehicle with Mechanical Pectoral Fins Using a CFD-based Motion Simulator, Int.

Ma1, e and Mingzhu Li1, f 1Qiqihar University, Qiqihar, Heilongjiang, 161006, China alds911@163.com, blxbwjj@163.com, cwangjianjia@126.com, d2494245130@qq.com, e376223524@qq.com, f45525598@qq.com Keywords: Vertical lathe; Hydrostatic thrust bearing; Feedback; CFD; Fluent Abstract.
Then the hydrostatic thrust bearing temperature field distribution and lubricating properties were obtained with the use of computational fluid dynamics (CFD) theory and the finite volume method combined with the segregated solver of FLUENT.
The radial air bearing pressure field of the numerical simulation was done by Liu Bin using the finite difference method.
Simulation was repeated in trial until the calculation results basically does not change with the number of grid changes.
Han: Journal of System 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

Grid Validations for Downburst Simulations Huixue Dang1, a, Fengli Yang1,b , Jingbo Yang1,c 1China Electric Power Research Institute, Beijing, China, 100055 aperpetual@mail.nwpu.edu.cn, byangfl1@epri.sgcc.com.cn, cyjb@epri.sgcc.com.cn Keywords: Downburst, Numerical Simulation, Grid Validation, Refinement, Numerical Fidelity Abstract.
For steady wind profile simulations, the impinging jet model could provide a reasonable radial velocity profile at the critical location.
Given that the flow is both steady and axisymmetric, an axisymmetric cross-section is extracted for numerical simulations.
At that radial location, CFD predicted higher radial velocity at hight greater than Z/D=0.12.
Orf, Eric Savory, Improved Modeling of Downburst Outflows for Wind Engineering, Journal of Wind Engineering and Industrial Aerodynamics. 99(2011) 801-814 [5] Jongdae Kim, Horia Hangan, Numerical Simulation of Impinging Jets with Application to Downbursts, Journal of Wind Engineering and Industrial Aerodynamics. 95(2007) 279-298 [6] M.T.Chay, F.Albermani, R.Wilson, Numerical and Analytical Simulation of Downburst Wind Loads, Journal of Wind Engineering and Industrial Aerodynamics. 28(2006) 240-254 [7] Chao Li, Q.S.Li, Y.Q.Xiao, J.P.Ou, A Revised Empirical Model and CFD Simulations for 3D Axisymmetric Steady-state Flows of Downbursts and Impinging Jets, Journal of Wind Engineering and Industrial Aerodynamics. 102(2012) 48-60 [8] Yan Zhang, Partha P.