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Online since: November 2012
Authors: Yun Yang, Jun Tao Yang, Jing Liang
Full-scale experimental and numerical simulation of fire in a High-rise Residential Building Juntao Yang1, a, Yun Yang 1,b and Jing Liang1,c 1 Shanghai Fire Research Institute of MPS, 918 Minjing Road, Shanghai 200438, China asfriyjtao@163.com, bsfriyy@gmail.com, c jing.ljlj@gmail.com Keywords: fire; high-rise residential building; fire experiment; CFD simulation Abstract.
Also the experimental data verifies numerical simulation effective.
Simulation model for class A Fig.11.
Analysis and discussion about the numerical simulation results Fig.12 is the temperatures trend chart of the measuring points in class A fire numerical simulation.
(2) The results show that there is little distance between the experiment data and numerical simulation data, which prove that study the smoke movement for lift evacuation by using CFD software FDS is practicable.
Online since: November 2014
Authors: Xin Fu, Zhuo Yuan Tang, Liang Hu, Peng Ye, Long Hui Qin
Simulation model and configuration Numerical simulation model.
CFD is based on the k-ε equation containing turbulence energy and turbulent dissipation rate.
In this paper the results after modification based on (3) are obtained through CFD, as listed in Table 2 and marked as EM.
CONCLUSION In this paper, numerical analysis of transducer installation effect on ultrasonic gas flow meter is finished via CFD simulation.
Delsing: Simulation of flow meter calibration factors for various installation effects, Measurement, vol. 15, pp. 235-244 (1995)
Online since: August 2010
Authors: Xin Hua Wang, Wei Li, Shu Wen Sun
Based on the classical theory of incompressible flow, CFD software FLUENT is used to simulate and analyze the flow characteristics of water hydraulic slide valve.
In order to design an applicable water hydraulic servo valve, it's necessary to study the flow characteristics of the slide valve with CFD software FLUENT.
The accuracy of CFD simulations has been confirmed in many occasions [3, 4], and the uses of simulations can avoid the constructions and testings of prototypes, as a result, the R&D cost and time are reduced.
Boundary Conditions of Simulation.
The flow coefficients get from simulations with different boundary conditions are almost equal, so the simulation is correct.
Online since: June 2013
Authors: Pierpaolo Carlone, Gaetano S. Palazzo
In this paper the influence of the stochastic variability of the fiber packing on tow permeability has been investigated by means of a CFD micro scale model.
CFD simulations of the resin flow through the perturbed RVEs have been performed, solving the continuity and momentum equations using the commercial package ANSYS CFX.
CFD simulations of the resin flow through the perturbed RVEs have been performed on the computational domains defined by the CAD software and shown in Fig. 2.
As can be seen, under deterministic and regularity hypothesis, the permeability results provided by the implemented CFD model fairly agree with the well-known Gebart model.
Du, Three-dimensional Cure Simulation of Stiffened Thermosetting Composite Panels, J.
Online since: March 2015
Authors: Ke Ping Zhang, Ya Ping Yao, Wei Bo Hong
In recent years, gear pump internal flow field under the condition of different structure and operation parameters had been simulated by the CFD software FLUENT.
However, there is no research on gear pump internal flow field simulation under different gear rotation speed based by CFD method.
Numerical Simulation The structural and operating parameters of the gear pump.
The dimension of surface meshing was identified as 0.2mm after several pre-simulation.
Dynamic simulation of flow field inside of lubricate gear pump.
Online since: July 2012
Authors: Chao Yang, Jin Liang Yuan, Guo Gang Yang, Dan Ting Yue
A 3D CFD model has been developed by using in-house code to analyze the various processes coupled with elementary surface reactions occurring in SOFC’s anode, to identify the effects between transfer processes and some elementary reactions occurring in the anode.
The inlet temperature Tin=800 oC, the inlet molar fraction XH2:XCH4:XCO:XH2O:XCO2=0.28:0.171:0.023:0.473:0.053 [15]. 3 CFD Solution Methods A 3D CFD code based on Fortran language has been developed to solve the model.
Deutschmann: CFD analysis of a solid oxide fuel cell with internal reforming: Coupled interactions of transport, heterogeneous catalysis and electrochemical processes, Journal of Power Sources 162, p.1192-1202 (2006)
[9] BA Haberman, JB Young: Three-dimensional Simulation of Chemically Rreacting Gas Flows in the Porous Support Structure of an Integrated-planar Solid Oxide Fuel Cell, Int.J.
Wang: CFD Approach to Analyze Parameter Effects on Chemical-Reacting Transport Phenomena in SOFC Anodes, Heat and Mass Transfer, 45, p. 471-484 (2009).
Online since: October 2014
Authors: Mei Ling Tian, Jin Bao Wang, Zhi Bo Tang, Xue Feng Liu
Kim researched the performance and structural safety of 50 kW ocean current turbine rotor by CFD simulation and unidirectional FSI analysis[3].
Steady numerical simulation can be performed using CFX to get the loads in the fluid field.
CFD analysis of the HATCE turbine The configurations of the selected HATCE turbine are shown in Table 1.
According to Ref.[5], the numerical simulation was performed with the MRF model using the ANSYS CFX.
Numerical simulation of fluid-structure interaction basing on the ANSYS[D].
Online since: February 2013
Authors: Ti Hai Xu, Yu Fen Qian, Yan Ying Xu
The physical and mathematical models are established based on the actual pulse combustor, and the combustion characteristics are simulated with CFD.
Tarjiri and Menon[4] numerical simulated the combustion dynamics of the pulse combustor using large-eddy simulation with CFD software.
Benelli[5] used commercial CFD software to simulate the self-sustaining acoustic oscillation process of the mechanical valve Helmhotlz–type pulse combustor.
Through the simulation and analysis, the main conclusions are as follow: (1) Three possible re-ignition sources for the pulse combustion process.
Simulation of Large Non-Linear Thermo-Acoustic Vibrations in a Pulsating Combustor[J].
Online since: December 2010
Authors: Yuan Yi Liu, Rui Guang Li
With the development of computer technology and fluid dynamics, a significant way of research about fluid flow is constituted by numerical simulation, theoretical analysis and experimental study.
Numerical simulation of Impeller -machinery has now become the most active area of research [1].
The paper bases on the Renault-averaged Navier-Stokes equations and a standard turbulence model, creates impeller and draft-tube molding separately of CFD and predicts the properties of stamping and welding multistage centrifugal pumps by CFD numerical calculation.
Analysis of CFD of Impeller and Draft-tube Clearance Value.
Through to implement numerical simulation of flow Q= 2, series J=4 for low specific speed welding multistage centrifugal pumps, it has exposed the interior flow characteristic and mechanism of impeller and draft-tube.
Online since: September 2012
Authors: Wan Shan Wang, Tian Biao Yu, Xue Zhi Wang, Ya Hong Song
The oil film temperature distribution in different input state is obtained through CFD analysis by FLUENT.
In this paper, the FLUENT software is applied to Simulation analysis.
CFD analysis of the bearing thermal characteristics Building the film model and dividing the grid.
In order to accurately analyze the impact of the oil temperature for the oil film temperature field, simulation analysis is used to solve the temperature field distribution of oil film at different temperatures.
Conclusions Through simulation analysis for bearing input parameters, the following laws could be obtained.
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