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  • A numerical simulation of air flow in the human ...

    2021-1-6 · simulation using computational fluid dynamics (CFD) as an alternative approach to studying airflow in human re-spiratory systems. Compared to natural measurements, CFD modeling is advantageous for a detailed study of air flow in the nasal cavity model. However, an accurate air-flow forecast requires careful selection of CFD models and rigorous ...

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  • Numerical simulation of air permeability in covercrete ...

    2016-10-30 · In our simulation, a chamber connected by straight circular tubes was vacuumed and the air permeability was calculated from the pressure distribution in the tubes and air flow into the chamber. An element of the circular tubes with a length of Δx (1 cm) was used, and the length of the tubes was 50 cm.

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  • [PDF] Simulation analysis on inner flow field and ...

    This paper conducted a parametric modeling for air knife structure in a printing factory, used HYPERMESH software to divide the meshes of air model and combined with actual conditions to define various boundary conditions in the inner flow field of air knife. Meanwhile, this paper adopted fluid dynamics software Fluent to conduct numerical simulation for the internal airflow of air knife ...

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  • [PDF] CFD Simulation of the Air Flow Field in the Multi ...

    CFD Simulation of the Air Flow Field in the Multi Blade Centrifugal Fan. In this paper, the multi blade centrifugal fan parameter CAD/CFD was developed. Before treatment with the traditional design method as the foundation, use AutoCAD as development of the embedded language. The work of this regulation to establish a set of more perfect design ...

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  • 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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  • 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 including the chemical industry ...

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  • Simulation and Visualization of Air Flow Around Bat

    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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  • 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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  • 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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  • Implementation and evaluation of air flow and heat ...

    2004-5-6 · Tuomaala, Pekka. Implementation and evaluation of air flow and heat transfer routines for building simulation tools. Espoo 2002. VTT Publications 471. 45 p. + app. 52 p. Keywords air conditioning, HVAC systems, heat transfer, air flow, air quality, buildings, simulation, BUS++, networks, data processing Abstract

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  • A numerical simulation of air flow in the human ...

    2021-1-6 · The directions of the air flow in the nasal cavity and two-dimensional contours in sections 1–3 are shown in Figs. 5a, b and c. As expected, in the narrow channels of the nasal cavity the air flow accelerated and reached a maximum value of 3.33 m/s (Fig. 5a, b). It can be also noticed that due to the deep shells of the nasal cavity, vortices ...

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  • Simulation and Visualization of Air Flow Around Bat

    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

    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 of Air Flow Distribution in a Tray Dryer by CFD

    2015-5-19 · distance of product far from the air inlet, the air velocity decreased. However the uniformity of air flow distribution to each level of product at the same column are acceptable. Key-Words: - Tray dryer, drying simulation, kenaf core drying. 1 Introduction . Tray dryers are the most widely used dryers for

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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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  • 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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  • 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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  • 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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  • 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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  • 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 …

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  • Development of Stirred Air-Flow Test (SAFT) for

    2018-8-15 · DEVELOPMENT OF STIRRED AIR-FLOW TEST (SAFT) FOR IMPROVED HMAC PLANT BINDER AGING SIMULATION AND STUDIES OF ASPHALT AIR BLOWING 7. Author(s) Charles J. Glover, Richard R. Davison, Nikolai Vassiliev, Todd Hausman, Shelly A. Williamson 9. Performing Organization Name and Address Texas Transportation Institute The Texas A&M University System

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  • A Multi-Physics Model for Solid Oxide Iron-Air Redox

    2019-4-9 · A Multi-Physics Model for Solid Oxide Iron-Air Redox Flow Battery: Simulation of Discharge Behavior at High Current Density Meng Guo,a Xuan Zhao, b,∗ Ralph E. White,a,∗∗,z and Kevin Huang ∗∗∗ aDepartment of Chemical Engineering, University of …

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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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  • J5.1 VALIDATION OF CFD SIMULATION OF TURBULENT

    2005-11-3 · J5.1 VALIDATION OF CFD SIMULATION OF TURBULENT AIR FLOW OVER A REGULAR ARRAY OF CUBES AGAINST WIND TUNNEL DATA AND A 3D ANALYSIS OF THE FLOW ... behavior ofU, W, TKE inside canyons and above cube rooftops from the fourth canyon to the end of the array, as example in Figure 3 is depicted vertical profiles at M location (inside 4th

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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 the drag force will …

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  • Air flow simulation in Revit. - Autodesk Community

    2017-8-19 · Report. 08-20-2017 11:59 PM. Hi @kiran.nini9, To run air flow simulation, you need to export your Revit model into Autodesk cfd where you will be able to set it up and to post process the results after launching the simulation. If you can run flow simulations in Revit, I …

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  • Virtual Testbed: Simulation of Air Flow Around Ship Hull ...

    2020-9-30 · We propose simple model that describes air flow around ship hull with constant initial speed and direction which is based on the law of reflection. On the boundary the model reduces to the known model for potential flow around a cylinder, and near the boundary they are not equivalent, but close enough to visualise the effect of the hull on the ...

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  • Ammonium Salt Deposition Characteristics in an Air Cooler ...

    2019-4-18 · Ammonium Salt Deposition Characteristics in an Air Cooler System Based on the Coupling of Fluid Flow and Heat Transfer Simulation Received: 2019-04-18 Revised: 2019-06-13 Online: 2019-12-30 Published: 2019-12-30

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  • A numerical simulation of air flow in the human ...

    2021-1-6 · The directions of the air flow in the nasal cavity and two-dimensional contours in sections 1–3 are shown in Figs. 5a, b and c. As expected, in the narrow channels of the nasal cavity the air flow accelerated and reached a maximum value of 3.33 m/s (Fig. 5a, b). It can be also noticed that due to the deep shells of the nasal cavity, vortices ...

    Get Price
  • Simulation of Air Flow on the Bodywork Automobile with ...

    2019-4-28 · Subsequently direct and a rear stream of the air on the model of an automobile. The first part of the article describes the construction of an overall car model and features to improve aerodynamic properties. The second part describes a simulation of the air streaming on the finale model. This model points to the need to solve aerodynamic features.

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  • Simulation analysis on inner flow field and optimization ...

    This paper conducted a parametric modeling for air knife structure in a printing factory, used HYPERMESH software to divide the meshes of air model and combined with actual conditions to define various boundary conditions in the inner flow field of air knife. Meanwhile, this paper adopted fluid dynamics software Fluent to conduct numerical simulation for the internal airflow of air knife ...

    Get Price
  • Simulation of Turbulent Flow in an Asymmetric Air Diffuser

    2014-7-17 · Simulation of Turbulent Flow in an Asymmetric Air Diffuser Abubaker E.M Elbalsohi, Junling Hu, Ruoxu Jia ... models have a significant prediction of flow behavior nearby the wall boundaries. In addition, the changes in the quality of ... The material properties of air and the inlet and outlet boundary conditions are listed in Tables 1-3 ...

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  • 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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  • Advances of Zero Flow Simulation of Air Conditioning ...

    2016-5-17 · Advances of Zero Flow Simulation of Air Conditioning Systems using Modelica Pieter Dermont1 Dirk Limperich2 Johan Windahl1 Katrin Prölss1 Carsten Kübler3 1Modelon AB, Sweden, {pieter.dermont,johan.windahl, katrin.prolss}@modelon.com 2Daimler AG, Germany, {dirk.limperich}@daimler.com 3TWT GmbH, Germany, {carsten.kuebler}@twt-gmbh.de Abstract This paper describes recent advances in simulation of

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  • 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.

    Get Price
  • Agent-Based Modeling and Simulation of Collaborative

    2010-7-22 · Agent-Based Modeling and Simulation of Collaborative Air Traffic Flow Management Using Brahms Peter A. Jarvis 1 , Shawn R. Wolfe, Maarten Sierhuis 2 , Robert A. Nado 3 , Francis Y. Enomoto

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  • Direct numerical simulation of low Reynolds number

    【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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  • Micro-bubble flow simulation of dissolved air flotation

    2019-5-17 · Micro-bubble flow simulation of dissolved air flotation process for water treatment using computational fluid dynamics technique. Environmental Pollution ( IF 8.071 ) Pub Date : 2019-01-09 , DOI: 10.1016/j.envpol.2019.01.011

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  • Calculation and simulation of air mass flow ...

    Metrics. Abstract: Air mass flow determination is a major issue for matching of turbocharger and dynamic simulation of diesel engine system. Generally speaking, there are two kinds of mean value models of air mass flow. One is based on the amount of air for fuel combustion, which involves engine power, fuel consumption rate, instantaneous ...

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

    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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  • A numerical simulation of air flow in the human ...

    2021-1-6 · The directions of the air flow in the nasal cavity and two-dimensional contours in sections 1–3 are shown in Figs. 5a, b and c. As expected, in the narrow channels of the nasal cavity the air flow accelerated and reached a maximum value of 3.33 m/s (Fig. 5a, b). It can be also noticed that due to the deep shells of the nasal cavity, vortices ...

    Get Price
  • Solved: Air flow simulation - Autodesk Community

    2016-10-10 · Air flow simulation Hello all, I am in the midst of designing an air intake in Fusion 360 and was hoping I could do a air flow simulation on it. Hoping to see where I have gone wrong and help improve my part. Any help would be great thank you. Solved! Go to Solution. Solved by ...

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  • 15-19: Simulation of Air Flow Distribution and

    A program code developed for prediction of performance of NDCT based on manufacturer's performance curve. Development of a simulation code using CFD for detailed zone wise analysis of air flow and performance of cooling tower is carried out which is the limitation of program code. Development of drift measurement device which is very useful for measurement of drift as well as DBT and WBT of ...

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  • Simulation analysis on inner flow field and optimization ...

    This paper conducted a parametric modeling for air knife structure in a printing factory, used HYPERMESH software to divide the meshes of air model and combined with actual conditions to define various boundary conditions in the inner flow field of air knife. Meanwhile, this paper adopted fluid dynamics software Fluent to conduct numerical simulation for the internal airflow of air …

    Get Price
  • Coupled Simulation of the Secondary Air Flow, Heat ...

    2013-7-9 · Coupled Simulation of the Secondary Air Flow, Heat Transfer, and Structural Deflection of a Gas Turbine Engine Guilherme Tondello, ... codes for secondary air flow and structural simulation for better evaluating temperature profiles and labyrinth seal behavior during operation.

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  • Interactive Air Flow Simulation Empowered by ISAR • Holo

    2021-6-24 · Prerequisite for these data-intense and interactive air flow simulations is a powerful duo: AR Flow, the app for numerical simulations and ISAR SDK, the performance boost for AR and VR devices. Aerodynamics measure variables like air flow and air resistance of objects. To optimize these variables, experts aim to identify those parts, where ...

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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 …

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