Verification of the Mathematical Model for Calculating the Air Flow Velocity Fields for Displacing Ventilation of Rooms of Complex Configuration

IF 0.1 Q4 CONSTRUCTION & BUILDING TECHNOLOGY Russian Journal of Building Construction and Architecture Pub Date : 2023-05-15 DOI:10.36622/vstu.2023.2.58.001
S. Chuykin, A. Loboda
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Abstract

Statement of the problem. The purpose of the article is to verify the developed mathematical model of conformal mapping of air flows, which constructs air velocity fields during displacement ventilation of rooms of complex configuration with partitions. Results. An experimental setup has been developed to study the physical model of a room with partitions, which allows performing physical modeling of air flows. The comparison of analytical and experimental results of calculating the air velocity in randomly selected points of the studied area is carried out. Conclusions. The verification results show that the developed model, with a sufficiently high accuracy, allows one to determine the air flow velocity with a vortex-free flow and its insignificant disturbance. An increase in the speed and deviation of the flow trajectory from the level lines leads to an increase in the calculation error.
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复杂结构房间置换通风风速场计算数学模型的验证
问题的陈述。本文的目的是验证所建立的保角映射空气流动数学模型,该模型构建了带隔板的复杂结构房间置换通风时的风速场。结果。开发了一种实验装置来研究带有隔板的房间的物理模型,该模型允许对气流进行物理建模。对研究区域内随机选取点的风速计算结果进行了分析与实验对比。结论。验证结果表明,所建立的模型具有足够高的精度,可以确定无涡流和扰动较小的气流速度。随着流速的增大和流动轨迹与液面线偏差的增大,计算误差也随之增大。
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来源期刊
Russian Journal of Building Construction and Architecture
Russian Journal of Building Construction and Architecture CONSTRUCTION & BUILDING TECHNOLOGY-
自引率
50.00%
发文量
28
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