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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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  • The measurement and simulation of indoor air flow

    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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  • 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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  • Simulation and Visualization of Air Flow Around Bat

    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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  • 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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  • 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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  • Air Flow Simulation (CFR 232, 238) - Heartwood

    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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  • 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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  • 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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  • Macroscopic Model and Simulation Analysis of Air Traffic ...

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

    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 from rotating domain; and ...

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  • air flow simulation (convergence) — Ansys Learning Forum

    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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