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Online since: April 2017
Authors: Qun Zheng, Salman Abdu, Gambo Kofar Bai Dayyabu, Hai Zhang
Li, "Wet Compression System Stability Analysis: Part II—Simulations and Bifurcation Analysis," in ASME Turbo Expo 2004: Power for Land, Sea, and Air, 2004, pp. 713-721
Bhargava, "Understanding effects of wet compression on separated flow behavior in an axial compressor stage using CFD analysis," Journal of Turbomachinery, vol. 133, p. 031026, 2011
Bhargava, "Numerical Simulation of a Complete Gas Turbine Engine With Wet Compression," Journal of Engineering for Gas Turbines and Power, vol. 135, p. 012002, 2013
Ahmad, "CFD aerodynamic investigation of air-water trajectories on rotor-stator blade of an axial compressor for online washing," in ASME Turbo Expo 2006: Power for Land, Sea, and Air, 2006, pp. 1385-1394
Gosman, "Development of methodology for spray impingement simulation," SAE Technical Paper 0148-7191, 1995
Bhargava, "Understanding effects of wet compression on separated flow behavior in an axial compressor stage using CFD analysis," Journal of Turbomachinery, vol. 133, p. 031026, 2011
Bhargava, "Numerical Simulation of a Complete Gas Turbine Engine With Wet Compression," Journal of Engineering for Gas Turbines and Power, vol. 135, p. 012002, 2013
Ahmad, "CFD aerodynamic investigation of air-water trajectories on rotor-stator blade of an axial compressor for online washing," in ASME Turbo Expo 2006: Power for Land, Sea, and Air, 2006, pp. 1385-1394
Gosman, "Development of methodology for spray impingement simulation," SAE Technical Paper 0148-7191, 1995
Online since: August 2013
Authors: He Jia Li, Hui Wang, Cheng Yao, Wen Ju Gao, De Hui Piao, Xi Long Chen, Ming Chang, Yan Wei Cheng
Research background
Fluent computational fluid dynamics simulation software is developed by Fluent Inc, its core program is written by C language, therefore it is quite flexible to use and has dynamic memory allocation, efficient data structure and flexible solution control etc.
Conclusion This paper explores MFC integrated way to solve the data interface technology between VC++6.0 and Gambit through the research of Gambit, and develops the radiator core shape parametric modeling software based on Fluent secondary development, which provides a new idea for CFD software more extensive, effective application.
Meanwhile, the research provides an effective theoretical analysis and simulation methods for vehicle radiator core shape and other components parametric design.
Conclusion This paper explores MFC integrated way to solve the data interface technology between VC++6.0 and Gambit through the research of Gambit, and develops the radiator core shape parametric modeling software based on Fluent secondary development, which provides a new idea for CFD software more extensive, effective application.
Meanwhile, the research provides an effective theoretical analysis and simulation methods for vehicle radiator core shape and other components parametric design.
Online since: March 2015
Authors: Wei Hong, Wen Xu Sun, Yan Su, Fang Xi Xie
Study on Optimization of Control Parameters for the Second Cycle during Forward rotation direct-Start Process at a GDI Engine
Wen Xu Sun1, Wei Hong1, Fang Xi Xie1,a, Yan Su1
1 State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun, People’s Republic of China
axiefx2011@jlu.edu.cn
Keywords: Spark-ignition methanol engine; Exhaust gas recirculation (EGR); Ignition timing; Performance; Emissions.
The Directstart: Investigation of Mixture Formation by Means of Optical Measurements and 3D-CFD-Simulation.
The Directstart: Investigation of Mixture Formation by Means of Optical Measurements and 3D-CFD-Simulation.
Online since: March 2025
Authors: Siti Nor Asimah Hamid, Kannigah Thirunanasambantham, Lim Yeou Jiann, Zuhaila Ismail
Numerical Simulation of Heat Transfer in MHD Hybrid Blood Nanofluid Flow through a Bifurcated Stenosed Artery
Siti Nor Asimah Hamid1,a, Kannigah a/p Thirunanasambantham1,b,
Zuhaila Ismail1,c,*, Lim Yeou Jiann1,d
1Department of Mathematical Sciences, Faculty of Science, Universiti Teknologi Malaysia, 81310 Johor Bahru, Malaysia
asitinorasimah@graduate.utm.my, bkannigah@graduate.utm.my, c*zuhaila@utm.my, djiann@utm.my
Keywords: Magnetohydrodynamic; Stenosis; Bifurcated Artery; Heat Transfer; Hybrid Nanofluid.
Using COMSOL Multiphysics, simulations of velocity, heat flux, and WSS were conducted to analyze the flow dynamics.
Eldin, “Numerical computations of blood flow through stenosed arteries via CFD tool OpenFOAM,” Alexandria Eng.
Waqas et al., “Numerical and Computational simulation of blood flow on hybrid nanofluid with heat transfer through a stenotic artery: Silver and gold nanoparticles,” Results Phys., vol. 44, no.
Vafai, “Computational biomedical simulations of hybrid nanoparticles (Au-Al2O3/ blood-mediated) transport in a stenosed and aneurysmal curved artery with heat and mass transfer: Hematocrit dependent viscosity approach,” Chem.
Using COMSOL Multiphysics, simulations of velocity, heat flux, and WSS were conducted to analyze the flow dynamics.
Eldin, “Numerical computations of blood flow through stenosed arteries via CFD tool OpenFOAM,” Alexandria Eng.
Waqas et al., “Numerical and Computational simulation of blood flow on hybrid nanofluid with heat transfer through a stenotic artery: Silver and gold nanoparticles,” Results Phys., vol. 44, no.
Vafai, “Computational biomedical simulations of hybrid nanoparticles (Au-Al2O3/ blood-mediated) transport in a stenosed and aneurysmal curved artery with heat and mass transfer: Hematocrit dependent viscosity approach,” Chem.
Online since: July 2011
Authors: Chao Wei, Ji Bin Hu, Jun Hua Hong
In this paper we first calculate the exit flow by CFD numerical analysis method in terms of different fluid viscosity and pressure drop Δpi .Then we calculate Cdi, Rei with different initial conditions.
Results analysis 3.1 Rectification of the model With the temperature of 80°C, the testing results of the leakage of the rotary seal compare with the theoretical calculation and simulation, shown in Fig.5 as below.
Dynamic Performance Simulation of Power Shift Clutch During Shift[J].
Results analysis 3.1 Rectification of the model With the temperature of 80°C, the testing results of the leakage of the rotary seal compare with the theoretical calculation and simulation, shown in Fig.5 as below.
Dynamic Performance Simulation of Power Shift Clutch During Shift[J].
Online since: October 2016
Authors: Miki Shinagawa, Takashi Sato, Edwin Soh, Yuuichiro Nakayama, Yasuhiko Fukuchi
In addition, a predictive approach using simulation was also proposed and reported [4]-[8].
Lim, Process modeling and CFD simulation of two-way abrasive flow machining, The international Jounal of Advanced Manufacturing Technology, 71, 5-8 (2014) 1077-1086.
Lim, Process modeling and CFD simulation of two-way abrasive flow machining, The international Jounal of Advanced Manufacturing Technology, 71, 5-8 (2014) 1077-1086.
Online since: October 2015
Authors: Wei Xuan Kong, Chao Yan, Zi Hui Hao, Ling Zhou
However, it’s difficult in modern CFD techniques based on massively parallel execution.
Our simulation results show similar trends to the DNS, therefore, it can be concluded that the “laminar + transition criteria” model is effective in predicting hypersonic 3D boundary layer transition.
Ma, Direct numerical simulation of hypersonic boundary layer transition over a blunt cone with a small angle of attack, Phys Fluids. 22 (2010), 025105
Our simulation results show similar trends to the DNS, therefore, it can be concluded that the “laminar + transition criteria” model is effective in predicting hypersonic 3D boundary layer transition.
Ma, Direct numerical simulation of hypersonic boundary layer transition over a blunt cone with a small angle of attack, Phys Fluids. 22 (2010), 025105
Online since: March 2019
Authors: Ilaria Iaconeta, Sai Pavan Bhogireddy, Philippe Hernaut, Aleksandr Lebedev, Gijsbert Wierink, Bruno Charles de Cooman, Jerzy Gawad
A Numerical Model for the Prediction of Microstructure Distribution Across the Thickness of Quenched Steel Plates
GAWAD Jerzy1,a*, IACONETA Ilaria1,b, BHOGIREDDY Sai Pavan1,c, HERNAUT Philippe2,d*, LEBEDEV Aleksandr3,e, WIERINK Gijsbert1,f
and DE COOMAN Bruno Charles3,f
1NLMK Group R&D&I, Rue Des Riveaux 2, 7100 La Louvière, Belgium
2NLMK Clabecq SA, Rue de Clabecq 101, 1460, Ittre, Belgium
3NLMK Group R&D, Moscow, Russia
aj.gawad@eu.nlmk.com, bi.iaconeta@eu.nlmk.com, csp.bhogireddy@eu.nlmk.com, dp.hernaut@eu.nlmk.com, elebedev_am@nlmk.com, fg.wierink@eu.nlmk.com
Keywords: plate quenching; material property optimization; inverse analysis; numerical simulation;
Abstract.
In the analyses of the transient simulations, performed by using the commercial software Ansys Mechanical [10], non-linear thermal properties (ρ, cp, K) and moving boundary conditions are considered.
Simulation of Q&T steels, Purdue University, 2001 [3] Xiaohu Deng, Dongying Ju, Modeling and Simulation of Quenching and Tempering Process in steels, Physics Procedia, pp 368-374 (2013) [4] EN10025-6 Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition
Aronov, CFD and FEA Used to Improve the Quenching Process, Heat Treating Progress, 2008, pp. 50–56
In the analyses of the transient simulations, performed by using the commercial software Ansys Mechanical [10], non-linear thermal properties (ρ, cp, K) and moving boundary conditions are considered.
Simulation of Q&T steels, Purdue University, 2001 [3] Xiaohu Deng, Dongying Ju, Modeling and Simulation of Quenching and Tempering Process in steels, Physics Procedia, pp 368-374 (2013) [4] EN10025-6 Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition
Aronov, CFD and FEA Used to Improve the Quenching Process, Heat Treating Progress, 2008, pp. 50–56
Online since: September 2013
Authors: Gang Xue, Liang He, Bai Ping Xu, Hui Wen Yu, Xiao Long Wang
The corresponding numerical simulation and the experimental investigation are carried out to characterize the mixing performance.
At first, the numerical simulation of the embedded planetary screw extruder is carried out using CFD technology, and then the chaotic mixing effect of the flow field is characterized by the use of flow particle tracking technique.
The numerical simulation of three-dimensional isothermal flow was carried out, the velocity field and pressure field were obtained under the different boundary conditions [7, 8].
LDPE is used for simulation material, its model parameters is respectively: η0=26470Pa·s, λ=2.15s, n=0.38[9].
When the center screw rotated at 60rpm and the pressure gradient was kept as 10MPa, the simulation results of both cases are shown in Fig.4.
At first, the numerical simulation of the embedded planetary screw extruder is carried out using CFD technology, and then the chaotic mixing effect of the flow field is characterized by the use of flow particle tracking technique.
The numerical simulation of three-dimensional isothermal flow was carried out, the velocity field and pressure field were obtained under the different boundary conditions [7, 8].
LDPE is used for simulation material, its model parameters is respectively: η0=26470Pa·s, λ=2.15s, n=0.38[9].
When the center screw rotated at 60rpm and the pressure gradient was kept as 10MPa, the simulation results of both cases are shown in Fig.4.
Online since: February 2012
Authors: Jing Feng Huang
It is a promising technology which integrates the CAD, CAE and virtual simulation technology.
Years before, due to the inefficiency in converting the data and integrating the information between the ship designing CAD system and the simulation analysis CAE software, it was unable to establish the connected relationship between the geometrical models and simulation analytical models so that the models could not be directly applied in the engineering analysis and calculation, this is called Information Island.
Through the converting and processing of the geometrical model (including the conversion of the model data format, the simplification of the model, the meshing, the process of the model boundary and so on), it is effective to generate the ship product simulation analytical model, perform analysis and calculation in the simulation analytical software and analyze or evaluate the design result, found in the literature [1].So, the 3D design model is set as the main model while the simulation analytical models of other disciplines which are derived from the main model are set as the connected models.
These pack the fundamental task elements that are from the work of product design, modeling, analysis and simulation.
With one example ship designed on the platform, we conducted the preliminary analysis of general performance, realized the integration of tools such as CATIA, FLUENT, NASTRAN etc., built parametric hull form surface and ship structural model, set the data connections among CAD, CAE and CFD and formed the template database of the fixation and accumulation of the knowledge and experience.
Years before, due to the inefficiency in converting the data and integrating the information between the ship designing CAD system and the simulation analysis CAE software, it was unable to establish the connected relationship between the geometrical models and simulation analytical models so that the models could not be directly applied in the engineering analysis and calculation, this is called Information Island.
Through the converting and processing of the geometrical model (including the conversion of the model data format, the simplification of the model, the meshing, the process of the model boundary and so on), it is effective to generate the ship product simulation analytical model, perform analysis and calculation in the simulation analytical software and analyze or evaluate the design result, found in the literature [1].So, the 3D design model is set as the main model while the simulation analytical models of other disciplines which are derived from the main model are set as the connected models.
These pack the fundamental task elements that are from the work of product design, modeling, analysis and simulation.
With one example ship designed on the platform, we conducted the preliminary analysis of general performance, realized the integration of tools such as CATIA, FLUENT, NASTRAN etc., built parametric hull form surface and ship structural model, set the data connections among CAD, CAE and CFD and formed the template database of the fixation and accumulation of the knowledge and experience.