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  • CFD Simulation of Air Flow and Thermal Behavior of ...

    2000-11-1 · As a consequence, it is particularly useful to predict the air flow distribution in a building by natural ventilation and to design the entire building layout in order to utilise the natural cooling resources. There are two popular methods to predict airflow fields; the first is the model experiment, and the second is the numerical simulation.

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  • Numerical simulation of air flow field in single-sided ...

    In this study, a building simulation was conducted to evaluate the indoor thermal comfort, stratification, IAQ and energy consumption according to the fixed minimum air flow …

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  • (PDF) The measurement and simulation of indoor air

    To simulate air flow behavior, a fully implicit segregated . solver, empl oying a cel l-centered co ntrol vol ume techni que . ... The simulation results showed that the air-flow …

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  • (PDF) ? Numerical simulation of ventilation air flow

    2020-12-15 · Air Flow Simulation 28 th Ju ly 2020 (updates in orange 8th August 2020) 1. OVERVIEW An interactive simulation of the air flow through a locomotive and rail car air system from engine start to engine shutdown. This is a tool that will allow users to mani pulate objects related to the

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  • Air Flow Simulation - hwd3d.com

    2021-6-30 · A detailed simulation of air flow after sneezing ... particles to remain suspended in the air and to spread in the environment depends largely on the size and nature of the air flow generated by ...

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  • A detailed simulation of air flow after sneezing

    2011-3-1 · Wu et al. studied the flow field of air flow through ceramic foams under low temperature (less than 350 K) by numerical simulation and concluded that the entrance length (defined according to the velocity field) L e is about 1–2 mean cell size long for Reynolds numbers less than 400.

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  • Numerical simulation of convective heat transfer

    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 …

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  • Simulation Analysis of Air Flow and Turbulence

    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 of Air Flow Through a Test Chamber - DTIC

    Energy modeling and air flow simulation of an ancient wind catcher in Yazd December 2015 Conference: 3rd.International congress on civil Engineering , …

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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 of Air Flow Through a Test Chamber - DTIC

    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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  • The measurement and simulation of indoor air flow

    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

    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 OF TEMPERATURE AND AIR FLOW IN A

    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 …

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  • A detailed simulation of air flow after sneezing

    2021-6-30 · In a coughing event that lasts for 0.4 seconds and has a maximum exhaled air speed of 4.8 m/s, the flow first generates a turbulent stream of air that is hotter and more humid than that of the environment. Once the expiration is over, the stream turns into a puff of air that rises because of flotation and its lack of weight while it dissipates.

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  • CFD Modeling and Validation of Temperature and

    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 …

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  • IOP Conference Series: Earth and Environmental

    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 …

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

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

    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

    2020-5-5 · Abstract The project involves studying the flow characteristics- velocity and temperature in T junction where cold and hot air mixing occurs. The study compares the simulation results of a particular case using two turbulence models, K-Æ realizable and K-ω SST, in order to select the most appropriate solver for the…

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  • CFD Simulation of Air-water Film Flow for Reactor

    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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