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Online since: August 2015
Authors: Stanisław Kozioł, Szymon Zacharski
The design work employed the CFD simulation, which ensured the required homogeneity of the airflow from the chamber outlet and the effective mixing of the streams of the blown in air with the air located near the inlet [13, 14, 15, 16].
Kosowska, CFD methods in designing a heat flow calorimetric chamber simulating indor air conditions, Energetyka. 24 (2012) 64-67 (in Polish)
Wojnar, CFD methods in designing a heat flow calorimetric chamber simulating cold weather conditions, Energetyka. 24 (2012) 67-70 (in Polish)
Online since: January 2014
Authors: Kriengkrai Nabudda, Surasith Piyasin, Jumlong Limtragool
Dong Gu Kang and colleagues [1] have studied the effects between fluids and solids on the basis of the impact on the increase of pressure, pressure surge, using computational fluid dynamics (CFD).
The differences are obvious when taking into account the coupled water hammer and single water hammer in a fluid pipe system by comparing with numerical simulation.
Studies of flow-structure interaction involve Last Eddy Simulation in the fluid domain: (1) (2) where (i = 1,2,3) is the instantaneous velocity component, is the velocity resolved scale, is the velocity sub grid scale, p is the pressure, ρ is the density and ν is the kinematic viscosity of the water.
Online since: December 2013
Authors: Qing Zhen Yang, Hong Zhou, Xiang Gao, Jian Nan He
So the method of numerical simulation has become more and more popular[4,5]. there are fewer researches on the numerical simulation of the infrared radiation characteristics for the turbo-fan engine with S-shaped nozzle.
The flow field of them at non-afterburning condition is calculated with the CFD software A code base on the Reverse Monte-Carlo method is developed with C++, which is used to calculate the infrared radiation characteristics of all the nozzles.
Reverse Monte-Carlo method (RMCM) is adopted to calculate the infrared radiation characteristics of the exhaust system, which is a random simulation method[8,9,10].
Backward Monte Carlo Method Simulation in Radiative Heat Transfer [J].
Tan, Simulation of the Infrared Radiation Characteristics of High-temperature Exhaust Plume Including Particles Using the Backward Monte Carlo Method [J].Journal of Quantitative Spectroscopy & Radiative Transfer,2005,95:231-240.
Online since: December 2011
Authors: Tsung Lin Liu, Ben Ran Fu, Chin Pan
Delsman et al. [6] described the design, model simulation, and experimental validation and operation of a microdevice for the preferential oxidation of carbon monoxide in hydrogen-rich reformate gas.
Moreover, numerical simulations for temperature distribution in single-phase flow are also presented.
Numerical simulations Numerical simulation of the single-phase heat transfer characteristics of the MCHE was conducted using a commercial CFD software ANSYS FLURENT.
Chu, A study on the simulation and experiment of a microchannel counter-flow heat exchanger, Applied Thermal Engineering, 30(14-15) (2010) 2163-2172
Online since: July 2016
Authors: Maziar Gholami Korzani, Alexander Scheuermann, S. Galindo Torres, David J. Williams
The study concerns the application of the Smoothed Particle Hydrodynamics (SPH) method within the computational fluid dynamics (CFD).
Furthermore, numerical hydrodynamic simulations performed by FDMs have been commonly carried out in 2D though many phenomena are usually occurring in 3D.
Fig. 2.b shows a comparison between the SPH simulation and the analytical solution for velocity profile at various time steps.
The simulations were carried out using the Macondo Cluster from the School of Civil Engineering at the University of Queensland.
Sekiya, "Numerical simulation of viscous flow by smoothed particle hydrodynamics," Progress of Theoretical Physics, vol. 92, pp. 939-960, 1994
Online since: July 2008
Authors: Sheng Qiang Yang, Wen Hui Li, Ming Rang Cao, Y.Q. Wang
Numerical Simulation of Liquid-Solid Two-Phase Flow Field in Discharge Gap of High-Speed Small Hole EDM Drilling Y.
The flow field characteristics under different pressures and drilling depths were obtained through simulations.
Simulation of Gap Liquid-Solid Two-Phase Flow Field Assumptions.
Numerical simulation result shows a better coherence with the actual tool shapes (Fig. 7); obviously, the validity of numerical simulation is verified.
Wang: Computational Fluid Dynamics Analysis-CFD Software Principles and Applications (Tsinghua University Press, Beijing, 2004.9)
Online since: December 2013
Authors: Zhao Miao Liu, Li Kun Liu
In this paper, computational fluid dynamics software CFD-ACE+ is used for numerical simulation in three-dimensional.
Numerical simulation of droplet formation process is in good agreement with the experimental results which is shown in Fig. 2, proving that the numerical simulation method can be adopted for accurate and expedient calculation of the two-phase flow in microchannels.
In order to analyze the influence of surface tension and viscous force, some further simulations are done.
In order to analyze the influence of the surface tension, some further simulations are done.
Numerical simulation of junction point pressure during droplet formation in a microfluidic T-junction.
Online since: October 2013
Authors: Jin Ke Gong, Xiang Ling Liu, Meng Xiang Liu
A geometric model and finite element grid model of JQ40A gasoline engine turbocharger were set up based on the CFD software NUMECA.
Compressor Impeller Strength Simulation Stress Analysis and Deformation Analysis of the Compressor Impeller.
Fig.4 Turbine structural design scheme (a) (b) Fig.5 Turbo stress simulation (a) (b) Modal Analysis of Turbine Blades.
Numerical Simulations of Stall inside a Centrifugal Compressor [J].
Numerical simulation of the flow field in diesel engine exhaust manifold based on FLENT[J].
Online since: July 2011
Authors: Bogdan Sapiński, Janusz Gołdasz
Numerical simulations The numerical simulations include the development of an axi-symmetric model of the squeeze mode MR mount of Fig. 1, the parameter sensitivity study as well as calculations of the complex transfer function of the MR mount when subjected to a sweep-sine displacement input.
The study shows simulation results and is carried out for the purpose of the demonstration of the squeeze mode performance characteristics.
It seems from the simulations the best effect with the squeeze mode mount can be achieved in cases involving small initial (mid-position) gaps.
Finally, a parallel study involving a CFD model of the mount is in progress.
Stanway, A numerical simulation of electrorheological fluids in oscillatory compressive squeeze flow, J.
Online since: November 2014
Authors: Ying Ning Hu, Hai Ding, Shan Shan Hu
Foreign scholars on the replacement system on fresh air cooling composite roof carried out extensive and in-depth research, research mainly has the experimental study and numerical simulation, the research content mainly includes thermal comfort [3], design parameters [4] and system control method [5], etc..
And related to this aspect research in China, Literature [6] for room combination of displacement ventilation and cooling air conditioning system in the study, analysis the influence of various parameters on the thermal comfort of human body, based on the human body thermal comfort requirements the most appropriate design value, literature [7]using fluid dynamics (CFD) method is proposed to separate displacement ventilation and cooling plate of displacement ventilation system is simulated, the simulation results show that the cooling roof - displacement ventilation systems can reduce indoor temperature gradient, improve thermal comfort of human body.
Study on indoor thermal environment office space controlled by cooling panel system using field measurement and the numerical simulation.
The influence of cooling a threatening the displacement ventilation system: CFD research.
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