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  • Numerical Simulation of Ventilation Air Flow in ...

    2019-10-11 · Numerical Simulation of Ventilation Air Flow in Underground Mine Workings ... found a wide variety of airflow patterns for different brattice locations and qualities. Kissell and Matta (1979) ... however, is a numerical analysis of the airflow behavior within a cross-cut region of an underground mine. The problem is of particular

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  • [PDF] Numerical Simulation of Transport and Deposition of ...

    Dust is a common pollutant of the air we breath. If dust particles are inhaled and deposited in human airways, they can cause a variety of respiratory disorders. The inhaled dust particles motion in human airways goes along with the airflow. The transport process can be considered as a two-phase flow of a gas phase and a particle phase. In this study, we investigated the airflow and dust ...

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  • The Numerical Simulation of Airflow and Dispersion in ...

    results of an atmospheric wind tunnel simulation of the same flow. It also compares the numerical simu lation of the dispersion of a plume about an isolated hill with the results of a tracer-gas field experiment. 2. Airflow and dispersion about isolated buildings The description of the airflow and dispersion patterns

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  • Numerical Simulation of Effect of Topology on the Airflow ...

    2018-6-30 · The present work is part of the optimization of indirect solar dryers. The main objective is to highlight the influence of topological forms of dryers on air settings. For this, we have studied the behavior of air in the collector for four inclinations angles (0°, 30°, 40° and 60°), three values of the height of the drying chamber (1, 1.20 and 1.40 m) and three values of the height of the ...

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  • Numerical simulation of air flow in a near-HDD ...

    Numerical simulation is an effective method for predicting formability of metals, and the use of computer simulation enables a significant increase in the number of tool designs that can be tested ...

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  • Numerical simulation of gas–solid two-phase flow to ...

    2020-2-1 · The airflow in the air-and-screen cleaning unit was that of an incompressible. The inlet boundary condition was set as a velocity inlet. The different fan speeds in the orthogonal experiment design corresponded to the different inlet airflow velocities of simulation models, that is, the fan outlet airflow velocities.

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  • Numerical Simulation of Turbulent Airflow and Micro ...

    Numerical Simulation of Turbulent Airflow and Micro-Particle Deposition in Upper Human Respiratory System A. R. Tahavvor 1† and P. Zarrinchang 2 1 Department of Mechanical Engineering, Shiraz Branch, Islamic Azad University, Shiraz, Iran 2 Mechanical Engineering Group, Pardis College, Isfahan University of Technology, Isfahan 84156- 83111, Iran

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  • Numerical studies of Trichel pulses in airflows - IOPscience

    2013-9-27 · To investigate the effects of airflow, three different airflow conditions are applied. The first condition is without airflow and the air stream velocity is set to zero (u = 0) which is the case of what many researchers have coped with.Then, the condition is studied when the direction of the airflow is perpendicular to the y axis. In other words, the y component of the air stream velocity u is ...

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  • Numerical investigation of airflow in an idealised human ...

    3. Results and discussion. The boundary conditions play an important role in the flow simulation. In the experiments, a nozzle was a xed to the inlet of the model to decrease inlet losses and dampen out any external instabilities (Johnstone 2003).The use of a nozzle ensures virtually uniform inlet conditions at all flow rates, producing nearly plug flow (i.e. “top hat”) inlet velocity ...

    Get Price
  • AIRFLOW BEHAVIOR IN PARTICLE TRANSMISSION IN AN

    2016-5-28 · the simulation indicated that effectiveness of airflow behaviour in diluting indoor air particle are affected by inlet air supply position, outlet position and barrier condition in the room. Thus, these indicate that to improve IAQ of a room it needs to properly understand the airflow behaviour.

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  • Numerical simulation of airflow characteristics in the ...

    2018-8-15 · Numerical simulation of airflow characteristics in the spinning zone at starting time of air-jet spinning machine. Thi Viet Bac Phung, Akihiro Yoshida, Yoshiyuki Iemoto, Hideyuki Uematsu, and Shuichi Tanoue ... The effect of different nozzle configurations on airflow behaviour and yarn quality.

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  • The Numerical Simulation of Airflow and Dispersion in ...

    results of an atmospheric wind tunnel simulation of the same flow. It also compares the numerical simu lation of the dispersion of a plume about an isolated hill with the results of a tracer-gas field experiment. 2. Airflow and dispersion about isolated buildings The description of the airflow and dispersion patterns

    Get Price
  • [PDF] Numerical Simulation of Transport and Deposition of ...

    Dust is a common pollutant of the air we breath. If dust particles are inhaled and deposited in human airways, they can cause a variety of respiratory disorders. The inhaled dust particles motion in human airways goes along with the airflow. The transport process can be considered as a two-phase flow of a gas phase and a particle phase. In this study, we investigated the airflow and dust ...

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  • Numerical simulation and analysis of multi-scale ...

    Simulation set-up. The created numerical domain is depicted in figure 7, which includes the domain inlet and outlet boundaries, as well as the pressure probe location and the small cylinder in the converging–diverging section of the channel. To avoid the influence of the inlet and outlet boundaries on the flow field in the converging ...

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  • S.M. Aminossadati, K. Hooman Numerical simulation of ...

    Numerical simulation of ventilation air flow in underground mine workings. ... This paper uses CFD modeling to simulate the airflow behavior in underground crosscut regions, where brattice sails are used to direct the airflow into these regions. ... found a wide variety of airflow patterns for different brattice locations and qualities. Kissell ...

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  • Numerical simulation and field experiment study on

    2019-11-21 · The results of numerical simulation showed that the dust-carrying airflow, after being blocked by the coal cutter, dispersed in the lateral direction, leading to an increase of airflow velocity on the walkway side to 1.75 m s −1, and a dust concentration as high as 2500 mg m −3. At the same time, an airflow vortex area with the largest ...

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  • [PDF] 3D simulation for dynamic characteristics of airflow ...

    DOI: 10.1109/GEOINFORMATICS.2016.7578972 Corpus ID: 19477440. 3D simulation for dynamic characteristics of airflow and dust control in a laneway of coal mine @article{Liu20163DSF, title={3D simulation for dynamic characteristics of airflow and dust control in a laneway of coal mine}, author={H. Liu and Shanjun Mao and M. Li and Jun Yue}, journal={2016 24th International Conference on ...

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  • An overview of numerical modelling of nasal airflow.

    An overview of numerical modelling of nasal airflow. Bailie N (1), Hanna B, Watterson J, Gallagher G. (1)Department of ENT Surgery, Antrim Area Hospital, Northern Ireland. Computer modelling of fluid flows is a mature technology used widely in engineering. The process, known as computational fluid dynamics (CFD), allows accurate prediction of ...

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  • Numerical studies of Trichel pulses in airflows - IOPscience

    2013-9-27 · To investigate the effects of airflow, three different airflow conditions are applied. The first condition is without airflow and the air stream velocity is set to zero (u = 0) which is the case of what many researchers have coped with.Then, the condition is studied when the direction of the airflow is perpendicular to the y axis. In other words, the y component of the air stream velocity u is ...

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  • [PDF] Numerical study of the airflow over forest clearings ...

    In order to better understand the behaviour of the turbulent flow around forests interrupted by clearings, numerical simulations with a LVEL k-ϵ turbulence model have been performed. The effects of the clearing width on the flow field were studied for two-dimensional forest-clearing-forest sequences. Furthermore, three-dimensional calculations were conducted in order to investigate the ...

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  • AIRFLOW BEHAVIOR IN PARTICLE TRANSMISSION IN AN

    2016-5-28 · the simulation indicated that effectiveness of airflow behaviour in diluting indoor air particle are affected by inlet air supply position, outlet position and barrier condition in the room. Thus, these indicate that to improve IAQ of a room it needs to properly understand the airflow behaviour.

    Get Price
  • Numerical investigation of airflow in an idealised human ...

    3. Results and discussion. The boundary conditions play an important role in the flow simulation. In the experiments, a nozzle was a xed to the inlet of the model to decrease inlet losses and dampen out any external instabilities (Johnstone 2003).The use of a nozzle ensures virtually uniform inlet conditions at all flow rates, producing nearly plug flow (i.e. “top hat”) inlet velocity ...

    Get Price
  • NUMERICAL SIMULATION OF ICE ACCRETION

    2018-10-27 · NUMERICAL SIMULATION OF ICE ACCRETION INFLUENCED BY AN ANTI-ICING HEATING SYSTEM For the Warm Hold scenario, the ice shape without anti-icing heating is shown in the upper left-hand corner of Figure 3. In this case, there is not enough energy to freeze all impinging drops instantly, water flows downstream before freezing, and glaze iceis formed.

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  • Numerical Simulation of Effect of Topology on the Airflow ...

    2018-6-30 · The present work is part of the optimization of indirect solar dryers. The main objective is to highlight the influence of topological forms of dryers on air settings. For this, we have studied the behavior of air in the collector for four inclinations angles (0°, 30°, 40° and 60°), three values of the height of the drying chamber (1, 1.20 and 1.40 m) and three values of the height of the ...

    Get Price
  • Simulation and Experimental Validation of Chaotic

    2011-8-30 · variety of quasi-periodic regimes that ... Numerical case study Sinha et al. 2000 Energy and Buildings 32, pp121 -129. 18-5-2011 PAGE 8 ... 2D Simulation with buoyancy •Chaotic behavior is already observed by changing the supply air temperature from 22 oC into 21.9 oC.

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  • Numerical studies of Trichel pulses in airflows - IOPscience

    2013-9-27 · To investigate the effects of airflow, three different airflow conditions are applied. The first condition is without airflow and the air stream velocity is set to zero (u = 0) which is the case of what many researchers have coped with.Then, the condition is studied when the direction of the airflow is perpendicular to the y axis. In other words, the y component of the air stream velocity u is ...

    Get Price
  • NUMERICAL SIMULATION OF COMPLEX ICE SHAPES ON

    2013-1-3 · NUMERICAL SIMULATION OF COMPLEX ICE SHAPES ON SWEPT WINGS Fig. 2. Top view of swept wing and computational domain (not to scale). The computational domain is aligned with the sweep angle of the wing, as shown in Fig. 2. Periodic boundary conditions are used in the spanwise direction so that the width of the modelled domain is only 0.1c, where c ...

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  • A Multiscale Approach for the Numerical Simulation of ...

    2021-6-26 · A multiscale approach for the detailed simulation of water droplets dispersed in a turbulent airflow is presented. The multiscale procedure combines a novel representative volume element (RVE) with the Pseudo Direct Numerical Simulation (P-DNS) method. The solution at the coarse-scale relies on a synthetic model, constructed using precomputed offline RVE simulations and an alternating digital ...

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  • Numerical Simulations of Micromechanical Properties of Al ...

    The micromechanical properties of a Al alloy/SiC hollow sphere syntactic foams composite material have been studied using the Solidwork simulation code applied the finite element method (FEM). The simulated results have shown that the values of quasi-static compressive strength, plateau stress, and densification strain are 175 MPa, 120 MPa and 0.50, respectively.

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  • A Simple Numerical Model of the Flight Behavior of Small ...

    2005-4-1 · In this paper, a simple numerical simulation of the airflow field and insect concentration in the CBL is developed. The model shows a consistency of the observed insect flight behavior with the presence of well-defined insect plumes in the otherwise well-mixed CBL and with the tendency of insects to cluster in updrafts.

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  • Numerical Simulation and the Underlying Mechanism of a ...

    2021-4-19 · 2.2 Numerical Simulation 2.2.1 Setup of Numerical Experiments. The Advanced Research Weather Research and Forecasting (WRF) model, version 3.9 (Skamarock et al., 2008), was used to simulate the hail-producing convective system. The grid configuration is shown in Figure 3 and the model setups are summarized in Table 1.

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  • Numerical investigation of airflow in an idealised human ...

    3. Results and discussion. The boundary conditions play an important role in the flow simulation. In the experiments, a nozzle was a xed to the inlet of the model to decrease inlet losses and dampen out any external instabilities (Johnstone 2003).The use of a nozzle ensures virtually uniform inlet conditions at all flow rates, producing nearly plug flow (i.e. “top hat”) inlet velocity ...

    Get Price
  • NUMERICAL SIMULATION OF COMPLEX ICE SHAPES ON

    2013-1-3 · NUMERICAL SIMULATION OF COMPLEX ICE SHAPES ON SWEPT WINGS Fig. 2. Top view of swept wing and computational domain (not to scale). The computational domain is aligned with the sweep angle of the wing, as shown in Fig. 2. Periodic boundary conditions are used in the spanwise direction so that the width of the modelled domain is only 0.1c, where c ...

    Get Price
  • NUMERICAL SIMULATION OF ICE ACCRETION

    2018-10-27 · NUMERICAL SIMULATION OF ICE ACCRETION INFLUENCED BY AN ANTI-ICING HEATING SYSTEM For the Warm Hold scenario, the ice shape without anti-icing heating is shown in the upper left-hand corner of Figure 3. In this case, there is not enough energy to freeze all impinging drops instantly, water flows downstream before freezing, and glaze iceis formed.

    Get Price
  • AIRFLOW BEHAVIOR IN PARTICLE TRANSMISSION IN AN

    2016-5-28 · the simulation indicated that effectiveness of airflow behaviour in diluting indoor air particle are affected by inlet air supply position, outlet position and barrier condition in the room. Thus, these indicate that to improve IAQ of a room it needs to properly understand the airflow behaviour.

    Get Price
  • Simulation and Experimental Validation of Chaotic

    2011-8-30 · variety of quasi-periodic regimes that ... Numerical case study Sinha et al. 2000 Energy and Buildings 32, pp121 -129. 18-5-2011 PAGE 8 ... 2D Simulation with buoyancy •Chaotic behavior is already observed by changing the supply air temperature from 22 oC into 21.9 oC.

    Get Price
  • Numerical Simulation of Dust Deposition in the Filter Tube ...

    2019-3-20 · In recent years, indoor air quality that deeply affected people’s health cannot be ignored. It is affected by many factors, and people have taken many measures to reduce the pollution level. In addition to diluting by controlling pollution sources and using natural ventilation, air purifiers have become one of the choices, but the results are not satisfactory. To improve the dust ...

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  • CFD Modeling

    CFD Flow Modeling Services Airflow Sciences Corporation (ASC) engineers specialize in the development and application of numerical simulation methods. Computational fluid dynamics, or CFD, techniques have been used by ASC since the 1980s to solve a wide variety of engineering problems involving flow, heat transfer, and chemical reaction.

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  • Simulation of Turbulent Flows - Stanford University

    2007-5-16 · Direct Numerical Simulation The objective is to solve the time-dependent NS equations resolving ALL the scale (eddies) for a sufficient time interval so that the fluid properties reach a statistical equilibrium Grid requirement: N ~ (Re τ)9/4 ~ 1x107 for Re τ = 800 Time step requirement: Δt ~ (Re τ)-1/2 ~ 1x10-5 for Re τ = 800 y+ = ρ y p ...

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  • Numerical Simulation and Optimization of Wind Effects of ...

    2019-4-14 · This paper presents a procedure to optimize the porosity of parapets to improve the aerodynamic behavior of low-rise buildings with flat roofs, by coupling an optimization algorithm and computational fluid dynamics (CFD) simulations. The performance of solid parapets to decrease the wind suctions on flat roofs induced by conical vortices was firstly studied, based on four turbulence closure ...

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  • Numerical investigation of airflow in an idealised human ...

    3. Results and discussion. The boundary conditions play an important role in the flow simulation. In the experiments, a nozzle was a xed to the inlet of the model to decrease inlet losses and dampen out any external instabilities (Johnstone 2003).The use of a nozzle ensures virtually uniform inlet conditions at all flow rates, producing nearly plug flow (i.e. “top hat”) inlet velocity ...

    Get Price
  • (PDF) Numerical Simulation of the Maui Vortex in the Trade ...

    Journal of the Meteorological Society of Japan, Vol. 74, No. 6, pp. 723-744, 1996 723 Numerical Simulation of the Maui Vortex in the Trade Winds By Kyozo Ueyoshi, John O Roads Scripps Institution of Oceanography,University of California, San Diego, La Jolla, California 92093-0224, U.S.A. Francis Fujioka Forest Fire Laboratory, USDA Forest Service, Riverside, CA 92507, U.S.A. and Duane E ...

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  • Numerical simulations of targeted delivery of magnetic ...

    2017-12-6 · We applied numerical simulations to describe the mean airflow patterns and distributions of aerosols in an anatomically realistic geometry of the human airways under the steady inspiration condition with a flow rate of 60 l min − 1. The geometry considered extended from the mouth inlet to the eighth bronchial generations.

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  • Simulation of Flow Field and Particle Trajectories in Hard ...

    fact therehave been several attempts at the numerical simulation for airflow in HDD. Wu etal. al [3] used multi-grid numerical schemes on unstructured triangular meshes to Simulation of Flow Field and Particle Trajectories in Hard Disk Drive Enclosures H. Song*, M. Damodaran*and Quock Y. Ng**

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  • Numerical Simulation of Interaction of Human Vocal Folds ...

    Our goal is to simulate airflow in human vocal folds and their flow-induced vibrations. We consider two-dimensional viscous incompressible flow in a time-dependent domain. The fluid flow is described by the Navier-Stokes equations in the arbitrary Lagrangian-Eulerian formulation. The flow problem is coupled with the elastic behaviour of the solid bodies.

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  • In Situ Measurements and CFD Numerical Simulations of ...

    In order to gain a knowledge of the heat emitted from a variety of sources at the blind heading of an underground gold mine, the present study conducts an in situ measurement study in a blind heading within the load haul dumps (LHDs) that are operating. The measurements can provide a reliable data basis for the setting of numerical simulations.

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  • Simulation and Experimental Validation of Chaotic

    2011-8-30 · variety of quasi-periodic regimes that ... Numerical case study Sinha et al. 2000 Energy and Buildings 32, pp121 -129. 18-5-2011 PAGE 8 ... 2D Simulation with buoyancy •Chaotic behavior is already observed by changing the supply air temperature from 22 oC into 21.9 oC.

    Get Price
  • Efficiency of ventilated facades in terms of airflow in ...

    2021-8-8 · Chen Q. „Comparison of different κ −ɛ models for indoor airflow computations.,” Numerical Heat Transfer, Part B 28 353 369 1995 Search in Google Scholar [16] E. Chui i G. Raithby, „Computation of radiant heat transfer on a non-orthogonal mesh using the finite-volume method.,” Numerical Heat Transfer, Part B, 23, pp. 269–288, 1993.

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  • Experimental and Numerical Analysis of Heat Transfer and ...

    【Abstract】 Building envelope is a main responsible component for building energy demand. Different kinds of Double Skin Facades (DSF) are used as a building envelope nowadays to reduce the energy demand and to improve aesthetical view of buildings.

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  • Numerical and experimental validation of a full scale ...

    2018-9-18 · The design, simulation, and control of the miniature linear actuator used in the actuation mechanism of the morphing wing was presented in . The same authors studied in addition two control methods for obtaining optimized airfoil configurations for fixed wind flow conditions. Both CFD simulations and wind tunnel tests results were combined ...

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  • Numerical studies of Trichel pulses in airflows - IOPscience

    2013-9-27 · To investigate the effects of airflow, three different airflow conditions are applied. The first condition is without airflow and the air stream velocity is set to zero (u = 0) which is the case of what many researchers have coped with.Then, the condition is studied when the direction of the airflow is perpendicular to the y axis. In other words, the y component of the air stream velocity u is ...

    Get Price
  • Simulation of Turbulent Flows - Stanford University

    2007-5-16 · Direct Numerical Simulation The objective is to solve the time-dependent NS equations resolving ALL the scale (eddies) for a sufficient time interval so that the fluid properties reach a statistical equilibrium Grid requirement: N ~ (Re τ)9/4 ~ 1x107 for Re τ = 800 Time step requirement: Δt ~ (Re τ)-1/2 ~ 1x10-5 for Re τ = 800 y+ = ρ y p ...

    Get Price
  • Numerical simulation of water spray in natural draft dry ...

    2019-10-11 · CFD also gives more control on boundary conditions. However, CFD simulation of water spray flow can be challenging due to strong coupling between the two phases and droplet evaporation. Moreover, exact spray initiation into CFD simulation is a challenging issue. The study of spray behaviour injected into airflow has implications on many engineering

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  • Including trees in the numerical simulations of the wind ...

    Including trees in the numerical simulations of the wind flow in urban areas: Shinjuku Case Study ... Because they function as a porous obstacle of airflow, ... But considering the significant impact that urban density plays on wind behaviour, the natural velocities can be accelerated greatly, especially considering the volume of skyscrapers in ...

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  • Numerical Simulations of Micromechanical Properties of Al ...

    The micromechanical properties of a Al alloy/SiC hollow sphere syntactic foams composite material have been studied using the Solidwork simulation code applied the finite element method (FEM). The simulated results have shown that the values of quasi-static compressive strength, plateau stress, and densification strain are 175 MPa, 120 MPa and 0.50, respectively.

    Get Price
  • Controlled inlet airflow in ventilated facades: a ...

    A research study was conducted to investigate the summer thermal performance of different ventilated façades, by means of experimentally validated numerical simulation. Three ventilated configurations were tested: L, with a lightweight external layer, IM and EM with a massive cladding respectively in the inner and outer side of the air cavity. TRNSYS was used to simulate the thermal behaviour ...

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  • PolyU Electronic Theses: Numerical and experimental ...

    2020-6-29 · A 2D numerical model is developed to explore the thermal behaviour and fluid dynamics in the air cavity of the DSF system for both open and closed inlet and outlet operational modes. The combined radiation and convection heat transfer in the air cavity are analyzed in detail in this thesis.

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  • CFD study on the behaviour and turbulence of the airflow ...

    Land scarcity in relation to the swift urbanisation causes vertical development of buildings and infrastructures. The increasing importance of the main vertical transport - elevator, urges the elevator aerodynamics study to evaluate its acoustic, ride comfort, aerodynamics performance, and airflow effect. They were carried out experimentally or(and) via modeling and simulation.

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  • Numerical Simulation for Shear Characteristics of Rock ...

    The characteristics of structural plane are very important to the stability of rock mass.In this paper,the stress and deformation characteristics of structural plane under direct shear conditions are analyzed based on FLAC3D code.And the influence of structural plane inhomogeneity to shear test was discussed.The results obtained in this paper indicate that, with the increase of normal stress ...

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  • Simulation of the Thermal Underhood Environment with

    2008-4-15 · 4.1 Numerical Simulation Method For the fluid-thermal calculations the CFD-program (Computational Fluid Dy-namics) Fluent 6.2 from Ansys Inc. was used. Some of the main advantages of this programme are an enormous band-width of physical models, its system openness und a high flexibility for the customization on a variety of different problems.

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  • Numerical investigation of airflow in an idealised human ...

    3. Results and discussion. The boundary conditions play an important role in the flow simulation. In the experiments, a nozzle was a xed to the inlet of the model to decrease inlet losses and dampen out any external instabilities (Johnstone 2003).The use of a nozzle ensures virtually uniform inlet conditions at all flow rates, producing nearly plug flow (i.e. “top hat”) inlet velocity ...

    Get Price
  • Numerical Simulation of wind turbine rotations using ...

    2021-8-5 · Numerical Simulation of wind turbine rotations using Overset Mesh AjitFlowAnalysis-web.jpg The computational approach is to simulate airflow around a virtual wind turbine for a variety of blade designs and calculate resultant torques.

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  • Numerical Investigation of Indoor Air Quality and Thermal ...

    Understanding the behavior of airflow in a room is essential for building designers to provide the most efficient design of ventilation system, and having acceptable indoor air quality. This trend is the motive to solve the relationship between airflow parameters and thermal comfort.

    Get Price
  • FLUID MODELING AND NUMERICAL MODELING RESULTS

    2006-1-19 · 2001). Special attention must also be placed on the realistic simulation of the exhaust source itself. Auto traffic is known to modify the airflow in its immediate vicinity inducing local circulations, traveling wake regions and enhanced turbulence and heat release at street levels.

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  • Simulation of the Thermal Underhood Environment with

    2008-4-15 · 4.1 Numerical Simulation Method For the fluid-thermal calculations the CFD-program (Computational Fluid Dy-namics) Fluent 6.2 from Ansys Inc. was used. Some of the main advantages of this programme are an enormous band-width of physical models, its system openness und a high flexibility for the customization on a variety of different problems.

    Get Price
  • The perspective of fluid flow behavior of respiratory ...

    2020-11-1 · Bates et al.67 performed computational fluid dynamics simulations to access the respiratory airflow in the human upper oral airway with airway wall movement. The breathing flow rate data were acquired by imaging the breathing cycle of the participant while wearing a …

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  • COMBUSTION STAGE NUMERICAL ANALYSIS OF A

    2016-6-23 · Keywords: Combustion Simulation; Marine Engines; Finite Volume Analysis . Introduction In this paper we’ll investigate the combustion stage taking place between BDC and TDC for an engine type MAN B&W 6S60MC-C engine [8] can be done to achieve variety of goals. as seen in the figure below: Fig.1 MAN B&W 6S60MC-C engine

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  • CONTAMW 1.0 user manual: multizone airflow and

    2016-9-20 · Simulation: Select the type of analysis you wish to conduct, set simulation parameters, and execute the simulation, 5. Review & Record Results: Review the results of your simulation and record selected portions of the results. Task 1 Œ Building Idealization

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  • Bus airflow simulation helps researchers study how viruses ...

    2020-6-23 · Bus airflow simulation helps researchers study how viruses can be spread in public transportation Clouds of white and pink smoke loom from the windows of a large Fresno County Rural Transit Authority electric bus in a Selma transportation yard during an airflow simulation …

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  • Analysis of Acoustic Behaviour of Louvers using Actran

    The team decided to use a numerical method for the investigation of attenuation in sound pressure levels over louver configurations. The simulations were carried out using Actran, a finite element-based computer-aided engineering software used in modelling acoustic behaviour of mechanical systems and parts. The use of

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  • Numerical Investigation of Indoor Air Quality and Thermal ...

    Understanding the behavior of airflow in a room is essential for building designers to provide the most efficient design of ventilation system, and having acceptable indoor air quality. This trend is the motive to solve the relationship between airflow parameters and thermal comfort.

    Get Price
  • Numerical and Experimental Simulations of Flapping Wings

    2021-7-9 · simulation (LES) and unsteady Reynolds-averaged Navier-Stokes (URANS) calculations for various flows in incompressible regimes. Recent numerical investigations of low-Reynolds-number and flapping-wing aerodynamics can be found in Refs. 13-15. References 13 and 14 present large-eddy simulations of the laminar separation and laminar-turbulent

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  • Numerical study of the turbulent flow past an airfoil with ...

    2018-6-22 · Numerical simulation and experiments on turbulent air flow around the semi-circular profile at zero angle of attack and moderate Reynolds number Computers & Fluids, Vol. 188 Numerical study of rising bubbles with path instability using conservative level-set and adaptive mesh refinement

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  • Numerical modelling of fixed and moving bed biomass ...

    2020-8-5 · simulations. The model is used to investigate combustion behaviour of various pelletised biomass fuel with different source and composition in a small-scale packed bed furnace. Ignition front propagation, flow temperature, effect of excess air and moisture content have been studied under varying airflow rate and predicted values are compared ...

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  • An industrial view on numerical simulation for aircraft ...

    2011-12-12 · Today, the aircraft industry has the experience, best practices and up to date capabilities to conduct a lot of numerical simulation in its daily design and development work [].At the forefront, Aerodynamics is using a variety of CFD methods and tools, which essentially help to analyse global as well as local flow behaviour about simplified and complex aircraft configurations.

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  • AIAA2004 3933 - Auburn University

    2013-11-7 · static simulation of the inlet shape is adequate for most circumstances, the testing requirements of military fighter craft are greater because of their high maneuverability, a feature that is accompanied by intense and brief alterations of the airflow. These transient

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  • Aerodynamic evaluation of wing shape and wing

    2017-2-6 · Many insects are well adapted to long-distance migration despite the larger energetic costs of flight for small body sizes. To optimize wing design for next-generation flying micro-robots, we analyse butterfly wing shapes and wing orientations at full scale using numerical simulations …

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  • A Numerical Modeling Study of Warm Offshore Flow over

    2005-2-1 · Numerical simulations of boundary layer evolution in offshore flow of warm air over cool water are conducted and compared with aircraft observations of mean and turbulent fields made at Duck, North Carolina. ... which simulates both the boundary layer behavior and the turbulent scale processes. For example, Glendening ... There are a variety of ...

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  • University of Wollongong Research Online

    2020-7-2 · During these simulation studies, a shearer scrubber system has shown to be capable of significantly modifying the airflow patterns around the maingate cutting drum and reducing dust roll-up towards the walkway area. INTRODUCTION . The behaviour of respirable dust in a longwall face is a complex process because of the nature of longwall operations.

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  • CONTAMW 1.0 user manual: multizone airflow and

    2016-9-20 · Simulation: Select the type of analysis you wish to conduct, set simulation parameters, and execute the simulation, 5. Review & Record Results: Review the results of your simulation and record selected portions of the results. Task 1 Œ Building Idealization

    Get Price