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  • Numerical simulation of airflow and micro-particle ...

    2015-3-24 · Numerical simulation of airflow in the human nasal cavity. Keyhani K, Scherer PW, Mozell MM. J Biomech Eng, (4):429-441 1995 MED: 8748525 Numerical simulation of the flow field in a model of the nasal cavity. Hörschler. Comput. Fluids 2003 Investigation of the …

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  • Numerical Simulation of Airflow and Particle Collection by ...

    2018-6-13 · Numerical Simulation of Airflow and Particle Collection by Vegetative Barriers Li Guo Department of Biological and Agricultural Engineering, Kansas State University, Manhattan, KS 66506-5205 U.S.A. & Ronaldo G. Maghirang Department of Biological and Agricultural Engineering, Kansas State University, Manhattan, KS 66506-5205 U.S.A ...

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  • Numerical simulation of the airflow over and heat transfer ...

    Abstract.A numerical model and technique are described to simulate the turbulent fluid flow over and heat transfer through a model of vehicle windshield defrosting and demisting systems. The simplified geometry and the dimensions of the numerical model are representative of vehicle system with accurate locations of the nozzles and outlet vents, including cabin features such as seating and the ...

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  • OR-05-08-5 - Numerical Simulation of Airflow and

    OR-05-08-5 - Numerical Simulation of Airflow and Airborne Pathogen Transport in Aircraft Cabinsâ Part II: Numerical Simulation of Airborne Pathogen Transport

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  • Numerical simulation of airflow over two successive tunnel ...

    Numerical simulation of airflow over two successive tunnel greenhouses. January 2011; ... Some of the causes of the unsteady behavior are identified, and to the extent possible, such situations ...

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  • Numerical simulation of airflow in the human nose ...

    2003-12-3 · Unobstructed air passageways as well as sufficient contact of the air stream with the mucous membrane are essential for the correct function of the nose. For that, local flow phenomena, which often cannot be captured by standard diagnostic methods, are important. We developed and validated a method for the numerical simulation of the nasal airflow. Two anatomically correct, transparent resin ...

    Get Price
  • Numerical Simulation of Three-Dimensional Airflow in ...

    2015-5-22 · numerical simulation of room airflow include Murakami et al. (1989), Murakami etal. (1991), Davidson (1989), and Chen et al. (1992). For a more thorough review of previous numerical simulations of room airflows, see Schulte (1995). One limitation with some of the previous simulations of room airflow is that they were restricted to two dimensions.

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  • (PDF) NUMERICAL SIMULATION OF AIRFLOW

    NUMERICAL SIMULATION OF AIRFLOW DISTRIBUTION IN A MIXED FLOW DRYER Holger Scaar*, Fabian Weigler, Jochen Mellmann Department of post-harvest technology, Leibniz Institute of Agricultural Engineering (ATB) Potsdam-Bornim, Max-Eyth-Allee 100, Potsdam 14469, Germany *Tel.:+49331/5699336, E-Mail: [email protected] Abstract Mixed-flow dryers are widely used to …

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  • Numerical simulation of detailed airflow distribution in ...

    2021-1-1 · Predictive numerical simulation of airflow uniformity in canopy plants could provide a suitable environment for plant growth. A numerical investigation of airflow in a photosynthesis chamber was conducted using the Computational Fluid Dynamics (CFD) model. This research-validated the numerical model with measurements performed in a bare bottom ...

    Get Price
  • NUMERICAL ANALYSIS OF THE AIRFLOW INSIDE A

    2021-1-27 · numerical study of the unsteady airflow inside a solar chimney. The developed model was used for airflow simulation in solar chimneys with operational and geometric configurations different from those found in the experimental prototype. Based on simple mathematical

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  • Buildings

    In this work, the use of numerical simulation in the application of solar radiant systems, internal airflow and occupants’ presence in the improvement of comfort in winter conditions is made. The thermal comfort, the local thermal discomfort and the air …

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  • [PDF] Numerical simulation of airflow around buildings ...

    Computational Fluid Dynamics (CFD) is a commonly accepted tool for studying the wind flow over complex terrain and buildings. But an accurate prediction of the flow field implies a correct reproduction of the turbulent quantities and consequently the right choice of the turbulence model. Due to the highly dissipative behavior of the RANS based turbulence models they are not able to trigger ...

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  • Numerical Simulation of Airflow in the Human Nasal Cavity ...

    1995-11-1 · An anatomically correct finite element mesh of the right human nasal cavity was constructed from CAT scans of a healthy adult nose. The steady-state Navier-Stokes and continuity equations were solved numerically to determine the laminar airflow patterns in …

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  • Numerical Simulation of Airflow Organization Process ...

    Taking Majiazhai double highway tunnel as a prototype, the mathematical model of double tunnel fire is established to analyze smoke plume spread and diffusion during air flow organization process of highway tunnel fire. In the conditions of double tunnel fire …

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

    A three-dimensional, nonhydrostatic numerical code using the two-equation turbulence closure was developed to model the atmospheric transport and diffusion of pollutants over buildings and a three-dimensional hill. The standard engineering two-equation, first-order turbulence closure was modified to account for surface layer effects and the reduced production of dissipation in the region above ...

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  • Numerical Simulation of the Airflow Across Trees in a ...

    2010-1-5 · The flow across a three-dimensional (3-D) windbreak comprising individual cypress trees is studied to establish the significance and extent of the 3-D flow patterns. The cypress tree is modelled as a solid cylindrical stem and a conic porous canopy. Cases with a single row of trees or two rows of trees with different distances between the rows are considered; in the case of a single row ...

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  • Numerical Simulation of Convective Airflow in an Empty

    2013-3-13 · Numerical simulation of airflow inside an empty room has been carried out for a forced convection, a natural convection and a mixed convection respectively, by using a computational fluid dynamics approach of solving the Reynolds-averaged Navier-Stokes fluid equations. Two-dimensional model was studied at first;

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  • Numerical Simulation of Room Airflow Using Different ...

    Singh, A, Hosni, MH, & Schwarz, WR. 'Numerical Simulation of Room Airflow Using Different Closure Models and Grid Generation Schemes.' Proceedings of the ASME 2002 International Mechanical Engineering Congress and Exposition. Fluids Engineering. New Orleans, Louisiana, USA. November 17–22, 2002. pp. 127-137. ASME.

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  • The Numerical Simulation of Clouds, Rains and Airflow

    The Numerical Simulation of Clouds, Rains and Airflow over the Vosges and Black Forest Mountains: A Meso-β Model with Parameterized Microphysics Everett C. Nickerson 1 , Evelyne Richard 2 , Robert Rosset 2 , and David R. Smith 3

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  • Numerical simulation of detailed airflow distribution in ...

    Predictive numerical simulation of airflow uniformity in canopy plants could provide a suitable environment for plant growth. A numerical investigation of airflow in a photosynthesis chamber was conducted using the Computational Fluid Dynamics (CFD) model. This research-validated the numerical model with measurements performed in a bare bottom open chamber.

    Get Price
  • Numerical simulation of airflow and micro-particle ...

    2015-3-24 · Numerical simulation of airflow in the human nasal cavity. Keyhani K, Scherer PW, Mozell MM. J Biomech Eng, (4):429-441 1995 MED: 8748525 Numerical simulation of the flow field in a model of the nasal cavity. Hörschler. Comput. Fluids 2003 Investigation of the …

    Get Price
  • Numerical Simulation of Airflow and Particle Collection by ...

    2018-6-13 · Numerical Simulation of Airflow and Particle Collection by Vegetative Barriers Li Guo Department of Biological and Agricultural Engineering, Kansas State University, Manhattan, KS 66506-5205 U.S.A. & Ronaldo G. Maghirang Department of Biological and Agricultural Engineering, Kansas State University, Manhattan, KS 66506-5205 U.S.A ...

    Get Price
  • Numerical simulation of the airflow over and heat transfer ...

    Abstract.A numerical model and technique are described to simulate the turbulent fluid flow over and heat transfer through a model of vehicle windshield defrosting and demisting systems. The simplified geometry and the dimensions of the numerical model are representative of vehicle system with accurate locations of the nozzles and outlet vents, including cabin features such as seating and the ...

    Get Price
  • OR-05-08-5 - Numerical Simulation of Airflow and

    OR-05-08-5 - Numerical Simulation of Airflow and Airborne Pathogen Transport in Aircraft Cabinsâ Part II: Numerical Simulation of Airborne Pathogen Transport

    Get Price
  • Numerical simulation of airflow over two successive tunnel ...

    Numerical simulation of airflow over two successive tunnel greenhouses. January 2011; ... Some of the causes of the unsteady behavior are identified, and to the extent possible, such situations ...

    Get Price
  • Numerical simulation of airflow in the human nose ...

    2003-12-3 · Unobstructed air passageways as well as sufficient contact of the air stream with the mucous membrane are essential for the correct function of the nose. For that, local flow phenomena, which often cannot be captured by standard diagnostic methods, are important. We developed and validated a method for the numerical simulation of the nasal airflow. Two anatomically correct, transparent resin ...

    Get Price
  • Numerical Simulation of Three-Dimensional Airflow in ...

    2015-5-22 · numerical simulation of room airflow include Murakami et al. (1989), Murakami etal. (1991), Davidson (1989), and Chen et al. (1992). For a more thorough review of previous numerical simulations of room airflows, see Schulte (1995). One limitation with some of the previous simulations of room airflow is that they were restricted to two dimensions.

    Get Price
  • (PDF) NUMERICAL SIMULATION OF AIRFLOW

    NUMERICAL SIMULATION OF AIRFLOW DISTRIBUTION IN A MIXED FLOW DRYER Holger Scaar*, Fabian Weigler, Jochen Mellmann Department of post-harvest technology, Leibniz Institute of Agricultural Engineering (ATB) Potsdam-Bornim, Max-Eyth-Allee 100, Potsdam 14469, Germany *Tel.:+49331/5699336, E-Mail: [email protected] Abstract Mixed-flow dryers are widely used to …

    Get Price
  • Numerical simulation of detailed airflow distribution in ...

    2021-1-1 · Predictive numerical simulation of airflow uniformity in canopy plants could provide a suitable environment for plant growth. A numerical investigation of airflow in a photosynthesis chamber was conducted using the Computational Fluid Dynamics (CFD) model. This research-validated the numerical model with measurements performed in a bare bottom ...

    Get Price
  • NUMERICAL ANALYSIS OF THE AIRFLOW INSIDE A

    2021-1-27 · numerical study of the unsteady airflow inside a solar chimney. The developed model was used for airflow simulation in solar chimneys with operational and geometric configurations different from those found in the experimental prototype. Based on simple mathematical

    Get Price
  • The Numerical Simulation of the Airflow Distribution and ...

    Downloadable! The energy consumption of fast-growing data centers is drawing attentions from not only energy organizations and institutions all over the world, but also charity groups, such as Greenpeace, and research shows that the power consumption of air conditioning makes up a large proportion of the electricity cost in data centers.

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  • Numerical simulation of turbulent airflow and heat ...

    2021-5-13 · The current work presents the numerical simulation of turbulent airflow and heat transfer through a rectangular channel along with two trapezoidal baffles which is an important issue for heat exchangers and for that flow phenomena and heat transfer characteristics are need to be identified.

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  • RECONSTRUCTION AND NUMERICAL SIMULATION OF

    reconstruction and numerical simulation of airflow and vibration analysis for upper airways of human bodies 【Author】 Chi Yu, Yuefang Wang and Yingxi Liu Department of Engineering Mechanics, Dalian University of Technology, Dalian 116024, China

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

    2021-1-6 · inaccuracies in the numerical results compared with real nasal cavities. The accuracy of the simulation strongly depends on the choice of the numerical method and rigorous verifi-cation with experimental data. Several tests of numerical CFD models of airflow in the human nasal cavity were performed, which compared the pressure drop in the

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  • Numerical simulation of the airflow field in vortex ...

    2019-7-23 · The numerical simulation results show that the turbulence phenomenon in the normal spinning process is much more obvious than that in the initial spinning process; the air streamlines move orderly in the initial spinning process, which will produce a strong suction force that will be conducive to drawing the fiber bundle into the nozzle ...

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  • Numerical simulation of the airflow over and heat transfer ...

    Numerical simulation of the airflow over and heat transfer through a vehicle windshield defrosting and demisting system

    Get Price
  • Numerical Simulation of the Airflow Across Trees in a ...

    The flow across a three-dimensional (3-D) windbreak comprising individual cypress trees is studied to establish the significance and extent of the 3-D flow patterns. The cypress tree is modelled as a solid cylindrical stem and a conic porous canopy. Cases with a single row of trees or two rows of trees with different distances between the rows are considered; in the case of a single row ...

    Get Price
  • A Numerical Simulation of Inspiratory Airflow in Human ...

    In this study, a numerical simulation of inspiratory airflow in a three-dimensional bifurcating human airways model (third to sixth generation) during exercise at sea level and at high altitude was performed. The computational fluid dynamics (CFD) solver FLUENT was used to solve the governing equations for unsteady airflow in the model.

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  • An Overview of Experiments and Numerical Simulations on ...

    2020-4-30 · ABSTRACT Determining the hotspots and deposition efficiencies (DEs) for aerosols in human airways is important for both research and medical purposes. The complexity of the human airways and the breathing process limit the application of in …

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  • P4.2 LABORATORY AND NUMERICAL STUDIES OF VERY

    2003-7-2 · in detail, we have also performed numerical simulations of the SBL. From both the wind tunnel experiment and numerical simulation, we have investigated the flow structure and turbulence transport process of SBL with a wide range of stability, noting the influence of the different vertical profiles of mean temperature on the turbulence phenomena. 2.

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  • Numerical simulation of airflow and micro-particle ...

    2015-3-24 · Numerical simulation of airflow in the human nasal cavity. Keyhani K, Scherer PW, Mozell MM. J Biomech Eng, (4):429-441 1995 MED: 8748525 Numerical simulation of the flow field in a model of the nasal cavity. Hörschler. Comput. Fluids 2003 Investigation of the …

    Get Price
  • Numerical Simulation of Airflow and Particle Collection by ...

    2018-6-13 · Numerical Simulation of Airflow and Particle Collection by Vegetative Barriers Li Guo Department of Biological and Agricultural Engineering, Kansas State University, Manhattan, KS 66506-5205 U.S.A. & Ronaldo G. Maghirang Department of Biological and Agricultural Engineering, Kansas State University, Manhattan, KS 66506-5205 U.S.A ...

    Get Price
  • Numerical simulation of the airflow over and heat transfer ...

    Abstract.A numerical model and technique are described to simulate the turbulent fluid flow over and heat transfer through a model of vehicle windshield defrosting and demisting systems. The simplified geometry and the dimensions of the numerical model are representative of vehicle system with accurate locations of the nozzles and outlet vents, including cabin features such as seating and the ...

    Get Price
  • OR-05-08-5 - Numerical Simulation of Airflow and

    OR-05-08-5 - Numerical Simulation of Airflow and Airborne Pathogen Transport in Aircraft Cabinsâ Part II: Numerical Simulation of Airborne Pathogen Transport

    Get Price
  • Numerical simulation of airflow over two successive tunnel ...

    Numerical simulation of airflow over two successive tunnel greenhouses. January 2011; ... Some of the causes of the unsteady behavior are identified, and to the extent possible, such situations ...

    Get Price
  • Numerical simulation of airflow in the human nose ...

    2003-12-3 · Unobstructed air passageways as well as sufficient contact of the air stream with the mucous membrane are essential for the correct function of the nose. For that, local flow phenomena, which often cannot be captured by standard diagnostic methods, are important. We developed and validated a method for the numerical simulation of the nasal airflow. Two anatomically correct, transparent resin ...

    Get Price
  • Numerical Simulation of Three-Dimensional Airflow in ...

    2015-5-22 · numerical simulation of room airflow include Murakami et al. (1989), Murakami etal. (1991), Davidson (1989), and Chen et al. (1992). For a more thorough review of previous numerical simulations of room airflows, see Schulte (1995). One limitation with some of the previous simulations of room airflow is that they were restricted to two dimensions.

    Get Price
  • (PDF) NUMERICAL SIMULATION OF AIRFLOW

    NUMERICAL SIMULATION OF AIRFLOW DISTRIBUTION IN A MIXED FLOW DRYER Holger Scaar*, Fabian Weigler, Jochen Mellmann Department of post-harvest technology, Leibniz Institute of Agricultural Engineering (ATB) Potsdam-Bornim, Max-Eyth-Allee 100, Potsdam 14469, Germany *Tel.:+49331/5699336, E-Mail: [email protected] Abstract Mixed-flow dryers are widely used to …

    Get Price
  • Numerical simulation of detailed airflow distribution in ...

    2021-1-1 · Predictive numerical simulation of airflow uniformity in canopy plants could provide a suitable environment for plant growth. A numerical investigation of airflow in a photosynthesis chamber was conducted using the Computational Fluid Dynamics (CFD) model. This research-validated the numerical model with measurements performed in a bare bottom ...

    Get Price
  • NUMERICAL ANALYSIS OF THE AIRFLOW INSIDE A

    2021-1-27 · numerical study of the unsteady airflow inside a solar chimney. The developed model was used for airflow simulation in solar chimneys with operational and geometric configurations different from those found in the experimental prototype. Based on simple mathematical

    Get Price