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

    This paper ,through experimental tests and CFD simulation, studies the air flow characteristics and further more deduces the calculation formula of the coefficient ξ with one beam upright the airflow direction in the architecture interlayer. The results show that when 0. 3≤ m ≤0.7, 0. 2≤ v ≤1.0m/s, 34 4 .08× 10≤Re≤2.04×10, the ...

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  • Simulation of Air Flow Through a Test Chamber - DTIC

    2021-1-6 · A numerical simulation of air flow in the human respiratory system for various environmental conditions Alibek Issakhov1,2*, Yeldos Zhandaulet1,2, Aizhan Abylkassymova1,2 and Assylbek Issakhov1,2 Abstract The functions of the nasal cavity are very important for maintaining the internal environment of the lungs since the

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

    CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract—The phenomenon of forced convection with turbulent flow is chaotic, complex and hard to develop analytically. Only key to the problem is experimental correlations and numerical solution. The goal of our project is to validate the Dittus-Boelter equation, a correlation used to find the value of heat transfer ...

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  • The measurement and simulation of indoor air flow

    2011-5-14 · Our simulation of air flow through the thermo-anemometer chamber began by defining a constant flow of air at 5.1 m/s into the 3-inch diameter inlet port. This simulates the blower attached to the test chamber inlet. The chamber model was meshed in Cosmos FloWorks with 48,000 cells.

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  • Simulation and Visualization of Air Flow Around Bat

    The air flow above breaking monochromatic Stokes waves is studied using a numerical nonlinear model of the turbulent air flow above waves of finite amplitude. The breaking event (spilling breaker) is parameterized by increasing the local roughness at the downwind slope of the wave, just beyond the crest. Both moderate slope waves and steep waves are considered. Above steep breaking waves, a ...

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  • A detailed simulation of air flow after sneezing

    Simulation and Visualization of Air Flow Around Bat Wings During Flight I.V. Pivkin1, E. Hueso2, R. Weinstein2, D.H. Laidlaw2, S. Swartz3, and G.E. Karniadakis1 1 Division of Applied Mathematics 2 Department of Computer Science 3 Department of Ecology and Evolutionary Biology, Brown University, Providence, RI 02912, USA Abstract.

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  • SIMULATION OF TEMPERATURE AND AIR FLOW IN A

    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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  • IOP Conference Series: Earth and Environmental Science ...

    2021-7-31 · A detailed simulation of air flow after sneezing 30 June 2021 From left to right and from top to bottom, the panels show the magnitude field for the velocity of the air

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  • Numerical simulation of intranasal air flow and ...

    2005-3-1 · 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 on the behavior of a liquid jet

    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 fluid method.

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  • CFD Simulation of the Increase of the Roof Ventilation ...

    2019-9-28 · For scenario S8 it is observed that the flow patterns present a displacement behavior that enters CTG through the windward side ventilation and a small flow through the fixed roof ventilation of the second span in contact with the air flow, the mean velocities obtained were 0.14, 0.61 and 2.29 ms-1 being 7.6, 8.9 and 6.0 % with respect to S1 ...

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  • SIMULATION OF TEMPERATURE AND AIR FLOW IN A

    2015-6-24 · Air Distribution in Rooms, (ROOMVENT 2000) Editor: H.B. Awbi SIMULATION OF TEMPERATURE AND AIR FLOW IN A SECOND SKIN FA<;ADE F. Di Maio and A.H.C. van Paassen Laboratory for Refrigeration Engineering and Indoor Climate Technology, Delft University of Technology, Mekelweg 2, 2628 CD Delft. The Netherlands. ABSTRACT 943

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  • Analysis and Simulation of Air Flow Field Surrounding ...

    To improve grinding fluid cooling effection and avoid thermal damage, it is necessary to analyze the air flow and stiff air layer around the grinding wheel. Based on fluid dynamics and mathematical simulation method, the 3D finite element model of the air flow field around the grinding wheel is developed.

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  • CiteSeerX — Simulation of Air and Contaminant Flow

    CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Simulating a ventilation network of an underground mine can help in solving complex ventilation systems with many features, selecting proper fan specifications, location and settings. Early computer systems running simple network simulations were able to provide solutions to the most common and immediate problems ...

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  • [PDF] NUMERICAL SIMULATION OF SLUG FLOW

    Fluid mechanics of air-water slug flows in horizontal circular pipes is investigated using detailed, transient, 3-dimensional Computational Fluid Dynamics (CFD) simulations. The inhomogeneous twophase or mixture model combined with the interface sharpening (free surface) algorithm, implemented in the commercial CFD code CFX-5.7, has been used to predict the transition of a segregated air-water ...

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  • Large-eddy simulation of air flow around a wall

    2019-6-1 · Experimental investigation and numerical simulation of small-volume transverse-flow air curtain Powder Technology ( IF 5.134) Pub Date : 2019-06-01, DOI: 10.1016/j.powtec.2019.04.063 Di Xiao, Xiaochuan Li, Weidong Yan, Zhenchang Fang

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  • Centrifugal Fan Simulation - CFD Support

    2021-2-4 · The simulation is executed in the steady-state mode, for five volumetric flow rate values of 32, 28, 24, 20, and 16 m3/s. TCFD includes a built-in post-processing module that automatically evaluates all the required quantities, such as efficiency, torque, forces, force coefficients, flow …

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  • Simulation of Air Flow Through a Test Chamber - DTIC

    2011-5-14 · Our simulation of air flow through the thermo-anemometer chamber began by defining a constant flow of air at 5.1 m/s into the 3-inch diameter inlet port. This simulates the blower attached to the test chamber inlet. The chamber model was meshed in Cosmos FloWorks with 48,000 cells.

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

    2017-3-8 · This role involves sucking the weft yarn from the prewinder and launching it into the reed. Simulating the dynamic behavior of the weft yarn inside the main nozzle involves fluid–structure interaction (FSI). In this work, one-way and two-way FSI simulations of air flow–yarn interaction inside a main nozzle have been performed.

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