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Online since: March 2022
Authors: Zied Driss, Ahmed Ketata, Slah Diriss, Hani Benguesmia, Badis Bakri
In fact, their experimental validation showed that the theoretical simulation was in close agreement with the experimental results.
Then, Theodosius et al. [14] presented an experimental-numeric comparison to give the precision of the CFD model.
In the present paper, a numerical simulation and experimental validation in our SAH test bench are developed.
Indeed, we have built numerical simulations to characterize the aero-thermal structure of our new system operating in natural convection.
Teodosiu, CFD modeling of buoyancy driven cavities with internal heat source: Application to heated rooms, En.
Then, Theodosius et al. [14] presented an experimental-numeric comparison to give the precision of the CFD model.
In the present paper, a numerical simulation and experimental validation in our SAH test bench are developed.
Indeed, we have built numerical simulations to characterize the aero-thermal structure of our new system operating in natural convection.
Teodosiu, CFD modeling of buoyancy driven cavities with internal heat source: Application to heated rooms, En.
Online since: October 2013
Authors: Qing Yun Liu, Sheng Yang Gao, Fu Bing Tu
Numerical simulation and optimization of radial heat pipe heat exchanger based on Field Synergy Principle
Qingyun Liu1, a,Fubing Tu1,band Shengyang Gao1,c
1 School of Energy Science and Engineering, Central South University, Changsha, China
aelliott.liu08@gmail.com, bftbone@163.com, cgaoshengyang2009@163.com
Keywords:Radial heat pipe, Numerical simulation, Field synergy principle, Structural optimization.
Abstract.This paper mainly explores the numerical simulation of flow and temperature fields in the shell-side of the radial heat pipe heat exchangers (HPHE), using CFD software-FLUENT.
Validation of simulation The reliability of the model was verified by the flue gas temperature in this paper.
In the comparison of the experimental measurement and simulation, the relative error of temperature is within 5%, which proves a reliable result.
Jiang: Principle and numerical simulation of transport processes(Central South University Press, China 2006).In Chinese
Abstract.This paper mainly explores the numerical simulation of flow and temperature fields in the shell-side of the radial heat pipe heat exchangers (HPHE), using CFD software-FLUENT.
Validation of simulation The reliability of the model was verified by the flue gas temperature in this paper.
In the comparison of the experimental measurement and simulation, the relative error of temperature is within 5%, which proves a reliable result.
Jiang: Principle and numerical simulation of transport processes(Central South University Press, China 2006).In Chinese
Online since: September 2014
Authors: Cai Ying Ban, Xu Ao Lu, Xu Ran, Feng Ying Liang, Jian Meng Yang
the partition period of thermodynamic calculation and the numerical simulation for lignite blended supercritical boiler
Cai-ying BANa,Xu-ao LU,Jian-meng YANG,Xu RAN,Feng-ying LIANG
North China Electric Power University, Baoding 071000, China
Emaila:15830930756@163.com
Keywords: Power plant boiler.
Numerical simulation.
The purpose of this paper is to study the impact of furnace temperature and load after blending in lignite, based on CFD software FLUENT-6.3,this paper choose the appropriate geometry model and the physical and mathematical models, and numerical simulation of the different conditions 600MW supercritical once-through boiler blending lignite furnace combustion process is curried out.
[2] Qian Wang .Bituminous coal boiler mixed burning lignite numerical simulation and experiment- al research.
[3] Qingyan Fang .Low volatile coal and blended coal combustion numerical simulation and experi- mental research.
Numerical simulation.
The purpose of this paper is to study the impact of furnace temperature and load after blending in lignite, based on CFD software FLUENT-6.3,this paper choose the appropriate geometry model and the physical and mathematical models, and numerical simulation of the different conditions 600MW supercritical once-through boiler blending lignite furnace combustion process is curried out.
[2] Qian Wang .Bituminous coal boiler mixed burning lignite numerical simulation and experiment- al research.
[3] Qingyan Fang .Low volatile coal and blended coal combustion numerical simulation and experi- mental research.
Online since: May 2016
Authors: Hai Shun Deng, Chuan Li Wang, Cao Feng Yu, Tao He, Yan Long Huang
And CFD method was taken to calculate flow field of smooth and laser surface texturing core respectively.
And through the numerical simulation to inquiry into the effects of core overlap length decrease on the performance of the valve core hydrodynamic lubrication.
Later importing those mesh files into Fluent for establishing CFD model of two-dimensional flow field and setting flow field parameters.
Simulation and modeling of friction for honed and wave-cut cylinder bores of marine engines, Simul.
(In Chinese) [14] Ma Chenbo, Zhu Hua, Sun Jianjun, Applicable Equation Study of Lubrication Calculation of Surface Texture Based on CFD Analysis, J Mech.
And through the numerical simulation to inquiry into the effects of core overlap length decrease on the performance of the valve core hydrodynamic lubrication.
Later importing those mesh files into Fluent for establishing CFD model of two-dimensional flow field and setting flow field parameters.
Simulation and modeling of friction for honed and wave-cut cylinder bores of marine engines, Simul.
(In Chinese) [14] Ma Chenbo, Zhu Hua, Sun Jianjun, Applicable Equation Study of Lubrication Calculation of Surface Texture Based on CFD Analysis, J Mech.
Online since: January 2013
Authors: Chia Chun Yu, Shih Cheng Wang, Cherng Shing Lin, Te Chi Chen
This study employs Fire Dynamics Simulation (FDS), fire simulation software, to construct model of thermal flow field.
This study adopts reinforced concrete beam as the subject, and it integrates two CFD numerical simulation software’s to analyze thermal flow field in a building’s fire field and temperature field inside the beam.
Firstly, FDS fire simulation software simulates a segment of the beam undergoing a fire.
Temperature distribution of 60 minutes’ simulation time is shown as Figure 3.
The temperature curves of simulation results are shows as Figure 4.
This study adopts reinforced concrete beam as the subject, and it integrates two CFD numerical simulation software’s to analyze thermal flow field in a building’s fire field and temperature field inside the beam.
Firstly, FDS fire simulation software simulates a segment of the beam undergoing a fire.
Temperature distribution of 60 minutes’ simulation time is shown as Figure 3.
The temperature curves of simulation results are shows as Figure 4.
Online since: January 2013
Authors: Jun Feng Lu, Hao Zhang, Wei Fan
Our previous researches on this topic fundamentally used contemporary numerical methods (such as CFD (computational fluid dynamics), MD (molecular dynamics), etc.) to study the ultra-filtration properties and made several progresses.
And the further application of this parallel scheme could form a new concept of MD simulation.
In the MD simulation works[7, 8], molecule models (such as H2O, Al2O3) are simply recognized as balls.
Apparently, parallel computation schemes should be applied to such a complicated bio-chemical simulation system to improve the computation performance.
Tang, in: The theories and applications of molecular simulation.
And the further application of this parallel scheme could form a new concept of MD simulation.
In the MD simulation works[7, 8], molecule models (such as H2O, Al2O3) are simply recognized as balls.
Apparently, parallel computation schemes should be applied to such a complicated bio-chemical simulation system to improve the computation performance.
Tang, in: The theories and applications of molecular simulation.
Online since: July 2014
Authors: Amir Mahdi Tahsini, Seyed Amir Hosseini
Increasing the number of trajectory points in this simulation process improves the accuracy of the results.
The commercial CFD software is used here to numerically solve the governing equations.
Therefore, it should be improved during the solid phase simulation using the instantaneous surface temperature.
Using the TPS on the nose in numerical simulation, the temperature time history are predicted.
The constant temperature boundary condition is used to predict the cold wall heat flux in flow field simulation.
The commercial CFD software is used here to numerically solve the governing equations.
Therefore, it should be improved during the solid phase simulation using the instantaneous surface temperature.
Using the TPS on the nose in numerical simulation, the temperature time history are predicted.
The constant temperature boundary condition is used to predict the cold wall heat flux in flow field simulation.
Online since: January 2014
Authors: Zhi Gang Liu, Guang Ming Bao, Juan Chang
The innovation of computer software and hardware technology has brought the power to support strong for the numerical simulation technology, and computer three-dimensional simulation has been applied to various engineering fields.
Introduction ANSYS numerical simulation technology has been applied to the field of structural engineering widely.
On the basis of finite element stress calculation mathematics model, we design the command process order of ANSYS numerical simulation process.
Numerical simulation of large complex shape building wind field [D].Wuhan: Wuhan University of Technology, 2010: 1-6
Numerical simulation technology based on ANSYS ICEM CFD and CFX [J].
Introduction ANSYS numerical simulation technology has been applied to the field of structural engineering widely.
On the basis of finite element stress calculation mathematics model, we design the command process order of ANSYS numerical simulation process.
Numerical simulation of large complex shape building wind field [D].Wuhan: Wuhan University of Technology, 2010: 1-6
Numerical simulation technology based on ANSYS ICEM CFD and CFX [J].
Online since: September 2018
Authors: R.S. Santos, D.P.A. Peña, D.D.S. Diniz, G.A. Costa, J.G.A. Queiroz, S.R.F. Neto
From the ANSYS CFX® 15.1 software, the geometry (Fig. 1) and the mesh (Fig. 2), more precisely the ICEM CFD 15.1 software were constructed.
The Mesh of the 8-hole hollow brick used in the simulation.
The h value is calculated from the results of numerical simulations.
Experimental parameters of air and ceramic brick [2] and properties used in the simulation.
Silva: Simulation and Experimentation of the Drying of Ceramic Bricks.
The Mesh of the 8-hole hollow brick used in the simulation.
The h value is calculated from the results of numerical simulations.
Experimental parameters of air and ceramic brick [2] and properties used in the simulation.
Silva: Simulation and Experimentation of the Drying of Ceramic Bricks.
Online since: May 2009
Authors: D.X. He, B.H. Sheng, Q. Suo, Y.F. Li, C.Y. Liu, Zu De Zhou
The mass quantity in and out the bearing is equal:
in outQ Q= (7)
CFD Simulation of Porous Material
CFD simulation has been conducted by using Solid-Fluworks, as shown in Fig. 4.
The parameters of the simulation are shown in Table 1.
Table 1 The Parameters of Simulation Item Value Clearance between support surfaces 0.01mm Porous permeability 0.1 Porous material Thickness 15mm Diameter Φ80mm Inner diameter of inlet Φ4 Pressure of inlet 0.4Mpa Pressure of outlet 0.25Mpa Experiments and results Sliders with porous bearing were manufactured to test the micro-vibration resisting characteristics; their stiffness can be reached to 500N/µm.
The parameters of the simulation are shown in Table 1.
Table 1 The Parameters of Simulation Item Value Clearance between support surfaces 0.01mm Porous permeability 0.1 Porous material Thickness 15mm Diameter Φ80mm Inner diameter of inlet Φ4 Pressure of inlet 0.4Mpa Pressure of outlet 0.25Mpa Experiments and results Sliders with porous bearing were manufactured to test the micro-vibration resisting characteristics; their stiffness can be reached to 500N/µm.