IndiaNumerical simulation of air flow behavior and nozzleAssociation

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  • The Measurement and Simulation of Indoor Air Flow

    3.2 Air flow parameters 30 3.3 Turbulence and statistics 32 3.4 Indoor air flow measurements 34 3.5 Principles of velocimetry 36 3.6 Hot sphere anemometer 39 3.7 …

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  • Simulation Analysis of Air Flow and Turbulence Statistics ...

    2014-6-25 · The implementation of variable artificial roughness patterns on a surface is an effective technique to enhance the rate of heat transfer to fluid flow in the ducts of solar air heaters. Different geometries of roughness elements investigated have demonstrated the pivotal role that vortices and associated turbulence have on the heat transfer characteristics of solar air heater ducts by ...

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  • Air Flow Simulation Software Singapore

    Air Flow Simulation Software is often used by Aerospace companies in Singapore as an indispensable CAE software Tools to provide rapid preliminary Mechanical design optimization of Industrial turbomachinery and Aircraft systems through the basis of Airflow Modeling. This CFD Airflow simulation software module is a Highly Solid and Powerful ...

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  • Two-dimensional numerical simulation of air flow in an air ...

    摘要: To investigate the effect of air flow in an air?-vortex spinning nozzle on yarn forming through twisting fiber strands,a computational fluid dynamics(CFD) model has been developed to simulate the air flow characteristics in an air-vortex spinning nozzle.Two ...

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  • Air-flow simulation - simulation of turbulent flows ...

    Air-flow simulation. IANUS Simulation also offers 3D CFD simulation of turbulent flows. In this field, there are many possibilities of flow simulations. Besides air-flow simulations in feed pipes, ovens etc., is the calculation of resistors in the automotive or …

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  • Aerodynamic Flow Behavior Around a Vehicle Tutorial

    2021-8-30 · Tutorial: Aerodynamics Simulation of Flow Around a Vehicle. This tutorial shows how an incompressible turbulent airflow around a moving vehicle can be simulated. Figure 1 shows an example of the resulting flow behavior: This tutorial teaches how to: Mesh with the SimScale standard meshing algorithm.

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  • Detailed simulation of air flow after coughing and ...

    2021-8-22 · Using high-performance computation systems, a URV research team has simulated the flow of air produced by coughing and sneezing in unprecedented detail. The results give greater insight into the characteristics of the flow produced by breathing and the capacity of infectious aerosols to disperse in the environment and remain suspended, which spreads COVID-19 and …

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  • CFD Simulation of Air-water Film Flow for Reactor Vessel ...

    2021-5-3 · 3.1. No air flow conditions In the case of no air flow, transient simulation with time step of 0.2 ms was conducted as shown in Fig. 2. The film interface was expressed by iso-surface of void fraction at 0.5. In the simulation, the injected water from DVI nozzle impinges on the wall and spreads in the form of the liquid film. Fig. 2.

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  • Simulation and Visualization of Air Flow Around Bat Wings ...

    2003-7-25 · Simulation and Visualization of Air Flow Around Bat Wings During Flight R. Weinstein, I. Pivkin, S. Swartz, D. Laidlaw, G. Karniadakis, K. Breuer Brown University, Providence, RI August 16, 2002 Problem We present a method for simulating and visualizing air flow around a static bat (order Chiroptera) wing geom-etry.

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  • Simulation and Visualization of Air Flow Around Bat Wings ...

    2005-6-27 · Simulation and Visualization of Air Flow Around Bat Wings During Flight 691 where = ∑P= φ 0 t 1 u t( ) is a mean (time-averaged) position of the markers and φk are the orthonormal spatial modes. The unknown functions

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  • Numerical Simulation of Ventilation Air Flow in ...

    2019-10-11 · of brattice length on fluid flow behavior in the cross-cut regions. The results of this study will assist in understanding the ventilation air behavior and in determining the optimum size of brattice sails, which provide a highly effective contaminant removal from the unventilated mine areas. This, in turn, helps the mine ventilation

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  • Air Flow Pattern and Path Flow Simulation of Airborne ...

    The air flow path and its modelling have progressed signif- ... the exact behaviour of partic-ulates in the Data Center space. The fundamental equations that ... Air Flow Pattern and Path Flow Simulation of Airborne Particulate Contaminants in a High-Density Data Center Utilizing Airside Economization ...

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  • Numerical Simulation of the Air Flow Around the Arrays of ...

    Метаподаци. This paper deals with the numerical simulation of air flow around the arrays of flat plate collectors and determination of the flow field, which should provide a basis for estimating a convective heat losses, a parameter which influences their working characteristics. Heat losses are the result of the reflection on the ...

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  • Compressible Flow Through a Converging Nozzle - Simulation ...

    In this example, we will examine the flow behavior of air through a converging nozzle, operating at a nozzle pressure ratio of 2. Objectives. In this simulation example, you will learn how to simulate a compressible air flow through a converging nozzle. You will also learn how to calculate variables such as thrust and discharge coefficient, and ...

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  • CFD Simulation of Air-water Film Flow for Reactor Vessel ...

    2021-5-3 · 3.1. No air flow conditions In the case of no air flow, transient simulation with time step of 0.2 ms was conducted as shown in Fig. 2. The film interface was expressed by iso-surface of void fraction at 0.5. In the simulation, the injected water from DVI nozzle impinges on the wall and spreads in the form of the liquid film. Fig. 2.

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  • A Computational Fluid Dynamics Simulation of Oil–Air Flow ...

    2016-9-8 · A volume of fluid (VOF) computational fluid dynamics (CFD) approach is applied. A sector of a ball bearing is modeled with a fine mesh, and the detailed simulations show the flow behavior for different oil splits to the three feed locations of the bearing, thus providing information useful to understanding oil shedding into the bearing chambers.

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  • Large-eddy simulation of air flow around a wall-mounted ...

    2009-11-2 · This paper models the air flow around a wall-mounted tripod platform that mimics a meteorological tripod tower placed in shallow water for air–sea interaction measurements to study the flow distortion by the tower. We adopt large-eddy simulation …

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  • Fluid dynamic analysis of air flow inside a PC case

    Fluid dynamic analysis of air flow inside a PC case. This study shows the capabilities of CFD in terms of fluid dynamics and heat transfer by analysing the airflow inside a computer case. The case and all components are fully specified. The computer has inside the motherboard, the processor, a copper heatsink, power supply, graphics card and a ...

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  • DESIGN AND FLOW VELOCITY SIMULATION OF DIFFUSER

    2014-1-22 · Also in conventional wind turbine the air flow is slowed down . Design and Flow Velocity Simulation of Diffuser Augmented Wind Turbine 373 Journal of Engineering Science and Technology August 2013, Vol. 8(4) and widened. This effect causes a loss in the efficiency of the turbine. By creating

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  • Modeling and simulation of pore-scale multiphase fluid ...

    2018-7-4 · phase flow simulations for three fundamental reasons: (1) a fast, robust, and accurate way must be found to track the complex dynamics of fluid-fluid interfaces (or less efficient methods that do not require interface tracking must be employed); (2) the behavior …

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  • Numerical Simulation of the Air Flow Around the Arrays of ...

    Метаподаци. This paper deals with the numerical simulation of air flow around the arrays of flat plate collectors and determination of the flow field, which should provide a basis for estimating a convective heat losses, a parameter which influences their working characteristics. Heat losses are the result of the reflection on the ...

    Get Price
  • CFD Port Flow Simulation of Air Flow Rate in Spark ...

    2021-3-16 · The objection of this study is to perform port flow analysis on ICE to determine flow rate and swirl at different valve lift under stationary engine parts.Methodology employed to analyze and solve the ICE port flow simulation is the use of CFD software that uses the finite volume method of numerical analysis to solve the continuity, Navier ...

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  • CFD Simulation of Airflow Inside Oil Tank

    2021-1-5 · Client: Cement Manufacturer in India The Objective: To study the air flow inside oil tanks provided to scavenge the fuel vapors through the outlet. Challenges: Identifying and developing simulation domain from the CAD model; Application of …

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  • Simulation and Visualization of Air Flow Around Bat Wings ...

    2005-6-27 · Simulation and Visualization of Air Flow Around Bat Wings During Flight 691 where = ∑P= φ 0 t 1 u t( ) is a mean (time-averaged) position of the markers and φk are the orthonormal spatial modes. The unknown functions

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  • Simulation and Visualization of Air Flow Around Bat Wings ...

    2003-7-25 · Simulation and Visualization of Air Flow Around Bat Wings During Flight R. Weinstein, I. Pivkin, S. Swartz, D. Laidlaw, G. Karniadakis, K. Breuer Brown University, Providence, RI August 16, 2002 Problem We present a method for simulating and visualizing air flow around a static bat (order Chiroptera) wing geom-etry.

    Get Price
  • Three-Dimensions Numerical Simulation of Flow and Thermal ...

    【Abstract】 The method of numerical simulation and FLUENT software were combined to implement the threedimensional numerical simulation of the heat pipe air preheater.The fluid flow and thermal performance of the heat pipe air pre-heater in the furnace surplus heat recovery system were studied.According to the structure and heat transfer characteristic of the heat pipe air …

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  • CFD Simulation of Flow Through a Pipe in an Air Domain ...

    2020-4-29 · CFD Simulation of Flow Through a Pipe in an Air Domain. I want to simulate a pipe (with an inlet and outlet) inside a large air domain. In addition, I want the pipe walls to provide heat to the flow inside the pipe. So the flow at the outlet is at a higher temperature than the flow at the inlet.

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  • Simulation and Measurement of Road Tunnel Ventilation

    2015-3-30 · Air flow rates have been measured in part of the 'Soderledstunneln, • a much-used road tunnel in central Stockholm. The measurements were made with tracer gas technique, which made it possible to measure without disturbing the traffic flow through the tunnel. The measurements hauc been compared to simulations ofthe air flow.

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  • Macroscopic Model and Simulation Analysis of Air Traffic ...

    We focus on the spatiotemporal characteristics and their evolvement law of the air traffic flow in airport terminal area to provide scientific basis for optimizing flight control processes and alleviating severe air traffic conditions. Methods in this work combine mathematical derivation and simulation …

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  • Numerical Simulation of Ventilation Air Flow in ...

    2019-10-11 · of brattice length on fluid flow behavior in the cross-cut regions. The results of this study will assist in understanding the ventilation air behavior and in determining the optimum size of brattice sails, which provide a highly effective contaminant removal from the unventilated mine areas. This, in turn, helps the mine ventilation

    Get Price
  • Numerical Simulation of the Air Flow Around the Arrays of ...

    Метаподаци. This paper deals with the numerical simulation of air flow around the arrays of flat plate collectors and determination of the flow field, which should provide a basis for estimating a convective heat losses, a parameter which influences their working characteristics. Heat losses are the result of the reflection on the ...

    Get Price
  • Design and simulation of air flow inside double wall ...

    2013-10-25 · Abstract: This paper presents a concept of the design and development of an infant incubator by increasing a number of an air flow slot for air-inlet and air-outlet inside a double wall infant incubator. The number of airflow inlet slot is increase to 2 while an airflow outlet slot is to 4 at the lateral side. The study is done by using FEM simulation to compare between single air flow …

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  • Modelling & Simulation of Flow through Air Flow Bench ...

    MODELLING AND SIMULATION OF FLOW THROUGH FLOWBENCH USING SOLIDWORKS Objective To Create a 3D Model of flowbench simulate flow analysis (CFD Analysis) and obtain a plot of Lift vs Mass Flow rate. Theory Computational fluid dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data…

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  • Two-Dimensional Simulation of Air Flow in the Transfer ...

    2018-2-17 · The ratio of the circumferential velocity of opening roller to mean air flowing velocity is identified as a critical parameter to classify differences in flow patterns. If the ratio is a constant, the flow pattern will not explicitly change, but …

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  • 133 An Eulerian-Eulerian CFD Simulation of Air-Water flow ...

    2021-7-8 · An Eulerian-Eulerian CFD Simulation of Air-Water flow in a Pipe Separator E.A. Afolabi1 and J.G.M Lee2 1Department of Chemical Engineering, Federal University of Technology, Minna, Nigeria. 2School of Chemical Engineering and Advanced Materials, Newcastle University, Newcastle upon Tyne, UK. Received: 27 November 2013; Accepted: 28 March 2014

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  • Dynamic Simulation of Compressed Air Systems

    2020-2-5 · Dynamic Simulation of Compressed Air Systems G. Maxwell, Iowa State University, Department of Mechanical Engineering ... assuming ideal gas behavior and small changes in the air temperature, Equation 1 can be re- ... = gain related to air mass flow rate from the compressors. F6(t) = gain related to the air demand flow rate. ...

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  • A Multi-Agent Simulation of Collaborative Air Traffic Flow ...

    2009-1-7 · Keywords: agent-based modeling and simulation, air traffic flow management, collaboration, competition Introduction Air traffic in the United States of America (U.S.A.) is forecasted to double or triple by the year 2025 (Pearce, 2006). Recent simulations (Mukherjee, Grabbe, & Sridhar, 2008) of this

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  • Fluid dynamic analysis of air flow inside a PC case

    Fluid dynamic analysis of air flow inside a PC case. This study shows the capabilities of CFD in terms of fluid dynamics and heat transfer by analysing the airflow inside a computer case. The case and all components are fully specified. The computer has inside the motherboard, the processor, a copper heatsink, power supply, graphics card and a ...

    Get Price
  • EFFECTS OF ASYMMETRIC INTAKE VALVE LIFT

    2018-4-10 · (CFD) is used to study the air flow behaviour inside the combustion chamber with asymmetric intake valve lift configurations. The CFD domain is a steady-state port flow simulation setup that consists of inlet boundary, intake port, intake valve, combustion chamber and the outlet as shown in Figure-4. Mass flow data for inlet

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  • Numerical simulation of intranasal air flow and ...

    A numerical simulation applying the computational fluid dynamics (CFD) solver Fluent 6.1.22 was performed displaying inspiratory intranasal air temperature and airflow patterns. Results: Due to resection of the turbinates the airflow pattern is disturbed resulting in a spacious vortex throughout the entire nasal cavity.

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  • Numerical Simulation of Air Flow inside Acoustic Cyclone ...

    2014-8-25 · ABSTRACTThis paper presents a novel concept of cyclone separator, where sound waves are used to agglomerate fine particles. Sound waves generated by Hartmann acoustic generator are introduced into the secondary (core) air flow of cyclone separator. Results of numerical simulation of air flows inside conventional and acoustic cyclone separators are …

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  • Detailed simulation of air flow after coughing and ...

    2021-8-22 · Using high-performance computation systems, a URV research team has simulated the flow of air produced by coughing and sneezing in unprecedented detail. The results give greater insight into the characteristics of the flow produced by breathing and the capacity of infectious aerosols to disperse in the environment and remain suspended, which spreads COVID-19 and …

    Get Price
  • Numerical simulation on the behavior of a liquid jet into ...

    A numerical simulation has been performed to clarify the effects of turbulence in a liquid on the deformation of the liquid jet surface into an air flow. The turbulences in the liquid jet were simulated by the Rankin vortices, and the liquid jet surface was tracked numerically by the volume of …

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  • Numerical Simulation of Flow Field of Air-Jet in Quenching ...

    The type of atomize-cool and air-cool are widely used in the world now. Air-jet is a very vital instrument in quenching by air-cooling. t is necessary to simulate the inner and outer flow-field of air-jet. By means of computational fluid dynamics soft system Fluent, numerical simulation of quenching air cooling process of air …

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  • Modelling & Simulation of Flow through Air Flow Bench ...

    MODELLING AND SIMULATION OF FLOW THROUGH FLOWBENCH USING SOLIDWORKS Objective To Create a 3D Model of flowbench simulate flow analysis (CFD Analysis) and obtain a plot of Lift vs Mass Flow rate. Theory Computational fluid dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data…

    Get Price
  • Numerical simulation of an air-supported structure in the ...

    Numerical simulation of the tunnel test of large-scale air-supported model has been carried out as an example of using this technique. Wind tunnel study is described in the papers1, 2. Experimental deformed shape, pressure coefficients and aerodynamic forces were compared with the results of presented numerical simulation.

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  • Tridimensional simulation of the speed, pressure and ...

    The Geometry went through a numerical simulation process using the CFX 5,7. The obtained results showed the behavior of the air flow through the test chamber, and also it showed the variations of speed and pressure at the exit of the chamber and the calculations of the coefficient and the dragging force on the geometry of the freight truck.

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  • Advances of zero flow simulation of air conditioning ...

    2016-11-7 · Increased simulation robustness with systematic heat transfer coefficients analysis. Simulating refrigerant loops at (near) zero flow for large vapor compression cycles is challenging due to the fast dynamics in the model under …

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  • Modeling and simulation of pore-scale multiphase fluid ...

    2018-7-4 · phase flow simulations for three fundamental reasons: (1) a fast, robust, and accurate way must be found to track the complex dynamics of fluid-fluid interfaces (or less efficient methods that do not require interface tracking must be employed); (2) the behavior …

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  • Numerical Simulation of Air Flow inside Acoustic Cyclone ...

    2014-8-25 · ABSTRACTThis paper presents a novel concept of cyclone separator, where sound waves are used to agglomerate fine particles. Sound waves generated by Hartmann acoustic generator are introduced into the secondary (core) air flow of cyclone separator. Results of numerical simulation of air flows inside conventional and acoustic cyclone separators are …

    Get Price
  • Multiphase Gas-Liquid Flow Behavior CFD Simulation in a T ...

    2021-1-13 · 7) Air-water flow system will be used. Air and water density is assumed to be constant. As an addition, the simulation will be conducted in a 2D model to reduce computation time and simulate more variation in geometry. The selected boundary conditions in each simulation will be based on Fig 2. which produces slug flow regime.

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  • CFD Simulation of Air Flow through the Annular Distributor ...

    Fluidized beds are widely used in a variety of industrial processes. The air distributor being an integral part of the fluidized bed, the air flow characteristic through it is of great importance as far as the design and working of it is concerned. Inappropriate design will lead to an incomplete fluidization and improper mixing of the air and bed particles.

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  • A Computational Fluid Dynamics Simulation of Oil–Air Flow ...

    2016-9-8 · A volume of fluid (VOF) computational fluid dynamics (CFD) approach is applied. A sector of a ball bearing is modeled with a fine mesh, and the detailed simulations show the flow behavior for different oil splits to the three feed locations of the bearing, thus providing information useful to understanding oil shedding into the bearing chambers.

    Get Price
  • GitHub - jasondegraw/COMIS3: Multizone Air Flow and ...

    2020-1-12 · The two programs can be coupled via this environment, thus allowing for coupled thermal and air flow studies. History COMIS (Conjunction Of Multizone Infiltration Specialists) was developed in 1988-89 by ten scientists from nine countries, during a twelve-month workshop hosted by the Lawrence Berkeley National Laboratory (LBNL).

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  • Fluid Dynamics Simulation

    2019-3-6 · This is a simulation of a two-dimensional fluid. Initially the fluid is flowing from left to right, and a linear barrier (shown in black) diverts the fluid and creates vortices. The colors indicate the curl, or local rotational motion, of the fluid. Use the controls to adjust the flow speed and viscosity, draw different barriers, drag the fluid ...

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  • Transient Water and Air Flow in a Tank

    2013-5-27 · To enable incompressible turbulent (viscous) multiphase flow the State->Viscous property should be set to Yes (its default value). Set State->Transient to Yes for an unsteady simulation. Drag and drop the Air + Water tool onto a face of a volume, double-click the flow-domain group in the Select dialog, and select Done to set air …

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  • Macroscopic Model and Simulation Analysis of Air Traffic ...

    We focus on the spatiotemporal characteristics and their evolvement law of the air traffic flow in airport terminal area to provide scientific basis for optimizing flight control processes and alleviating severe air traffic conditions. Methods in this work combine mathematical derivation and simulation …

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  • numerical simulation of air water slug flow -- CFD Online ...

    2020-3-13 · numerical simulation of air water slug flow. I am trying to simulate air water non boiling slug flow in a 2d axisymetric domain. heat flux is also applied. basically i should use vof but due to computational expenses i am using eulerian model and mixture model. but i m facing the problem of convergence as well as slug flow is not forming.

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  • Numerical Simulation of the Air Flow Around the Arrays of ...

    Метаподаци. This paper deals with the numerical simulation of air flow around the arrays of flat plate collectors and determination of the flow field, which should provide a basis for estimating a convective heat losses, a parameter which influences their working characteristics. Heat losses are the result of the reflection on the ...

    Get Price
  • Two-Dimensional Simulation of Air Flow in the Transfer ...

    2018-2-17 · The ratio of the circumferential velocity of opening roller to mean air flowing velocity is identified as a critical parameter to classify differences in flow patterns. If the ratio is a constant, the flow pattern will not explicitly change, but …

    Get Price
  • CFD SIMULATION AND EXPERIMENTAL VERIFICATION OF AIR

    CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The aim of this work is to validate the Dittus-Boelter equation by experimental, correlation and Simulation method. It used to find the value of heat transfer coefficient ‘h ’ for turbulent flow in many fluid transfer systems. This work discusses how the Dittus-Boelter equation is applied to the problem of ...

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  • Numerical simulation of air–soil two-phase flow based on ...

    2010-12-1 · Soil flow and induced air blasts are of great harm to humanity, and historically they have caused a lot of damage to infrastructure. However, these phenomena cannot be described by traditional analog modeling methods that limit their use in disaster prevention efforts. Computational fluid dynamics (CFD) is an applied technique commonly used in a range of fields …

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  • Computational particle-fluid dynamics simulation of gas ...

    Computational particle-fluid dynamics (CPFD) simulation was carried out to examine the influence of air versus O 2 /CO 2 as the fluidizing gas on the hydrodynamics of gas-solid flow in a cold-mode circulating fluidized bed. The CPFD simulation results were compared to the experimental data at constant superficial gas velocity, using air or mixed O 2 /CO 2 in three different concentrations as …

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  • Direct numerical simulation of low Reynolds number turbulent ...

    【摘要】:With performance improvement of low-temperature fuel cell(FC), high reactant supply and water generation rates may induce air-water turbulence in the FC flow channel. In this research, an air-water turbulent direct numerical simulation(DNS) model is developed to simulate different droplet sizes,locations and interactions in the air-water transport processes comprehensively.

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  • Thermal Modeling of the Air Flow Inside and Around Your ...

    2016-6-22 · The temperature inside depends on the surrounding air temperature, wind speed, and solar loads, all of which have significant variability. For simplicity, we often also want to approximate the inside air as well-mixed. Today, we will discuss …

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  • Simulation and Optimization of Air-Cooled PEMFC Stack for ...

    A model of 2 kW air-cooled proton exchange membrane fuel cell (PEMFC) stack has been built based upon the application of lightweight hybrid vehicle after analyzing the characteristics of heat transfer of the air-cooled stack. Different dissipating models of the air-cooled stack have been simulated and an optimal simulation model for air-cooled stack called convection heat transfer …

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  • CFD simulation of drag coefficient of a sphere ...

    The drag coefficient is an adimensional number which defines the air resistance for a given shape. It is defined as the drag force (Fd) divided by dynamic pressure (which is 1/2 air density multiplied for the square of the speed v) and multiplied by the …

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