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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 …

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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 …

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  • A Multi-Agent Simulation of Collaborative Air Traffic

    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 …

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  • Simulation and Visualization of Air Flow Around Bat

    2021-7-5 · By the beginning of April 2021, the number of people infected during the COVID-19 pandemic had risen to more than 130 million people of whom more than 2.8 million died. The SARS-CoV-2 virus responsible for COVID-19 is transmitted particularly by droplets or aerosols emitted when an infected person speaks, …

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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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  • SIMULATION OF TEMPERATURE AND AIR FLOW IN

    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

    Numerical Simulation and Experimental Verification of Air Flow through a Heated Pipe. Download. Related Papers. Heat transfer augmentation in solar air heater using delta-shaped obstacles mounted on the absorber plate. By Manish Mishra. F01033035. By IOSR Journals.

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  • A detailed simulation of air flow after sneezing

    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. …

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  • CFD Modeling and Validation of Temperature and

    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 …

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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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  • 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 …

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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 …

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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 …

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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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  • 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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  • Macroscopic Model and Simulation Analysis of Air

    2019-10-14 · air flow simulation (convergence) Beginner Member Posts: 3. October 2019. in Fluids. in design modeller, i developed a closed domain (oven) basically involving an impeller in a rotating domain enclosed in stationary domain (oven cavity), necessary operations have been performed like 2 boeleon operations (impeller …

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  • air flow simulation (convergence) — Ansys Learning

    2017-9-4 · 地铁列车空调系统送风风道气流组织模拟及优化 simulation and optimization of air flow organization in the air duct of air conditioning system of metro train.pdf,20 16年9月 制 冷 第37卷第3期(总136期) 39 文章编号: 文章编号: ISSN1005-9180 (2016) 03 …

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  • Numerical Simulation of the Air Flow and Thermal

    2016-4-1 · Numerical Simulation of the Air Flow and Thermal Comfort in a Train Cabin M. Konstantinov 1 and C. Wagner 1,2 1Institute of Thermodynamics and Fluid Mechanics University of Technology Ilmenau, Germany 2Institute of Aerodynamics and Flow Technology German Aerospace Center, Göttingen, Germany Civil-Comp …

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  • Simulation Study of Cryogenic Air Separation Unit

    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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  • Air, Fluid Flow, and Thermal Simulation of Data

    Air Flow Simulation (CFR 232, 238) BACKGROUND & PROBLEM: It is difficult to convey how air flows through locomotives, rail cars and how components are interconnected. Knowing this information would benefit Transportation and Mechanical employees performing inspections.

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