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首页> 外文期刊>International journal of air-conditioning and refrigeration >A Study on Evaluation of ADPI and Ventilation Performance of a Small Auditorium with Unevenly Arranged Return Diffusers
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A Study on Evaluation of ADPI and Ventilation Performance of a Small Auditorium with Unevenly Arranged Return Diffusers

机译：扩散分布不均的小型礼堂的ADPI和通风性能评估研究

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摘要

The ventilation performance and thermal comfort characteristics on placing the supply or return diffusers for the air distribution systems applied to an auditorium with high ceiling heights must be inherently considered. A numerical study has been conducted to simulate the airflow and ventilation characteristics in a small auditorium with the uniformly installed supply diffusers on the ceiling surface, and with the unevenly installed return diffusers on the side wall of the stage, the left and rear wall. It is the objective of the present study to investigate the effects of various air distribution system parameters on air diffusion performance index (ADPI), air change efficiency and scale of ventilation efficiency NO.4 (SVE4) of return diffusers in the auditorium with the movable audience seat on the flat floor. This paper focuses mainly on the effect of the unevenly installed return diffusers on the low part of the side wall of the auditorium with the movable audience seat.
机译：必须固有地考虑在将空气分配系统的送风或回风扩散器安装到具有高天花板高度的礼堂时的通风性能和热舒适特性。进行了数值研究，以模拟在小型礼堂中的空气流动和通风特性，在天花板表面上均匀地安装了供气扩散器，在舞台的侧壁，左后壁和后壁中不均匀地安装了回流扩散器。本研究的目的是研究各种空气分配系统参数对可移动式礼堂中回风口扩散器的空气扩散性能指数（ADPI），换气效率和通风效率NO.4（SVE4）的影响。观众席在平地板上。本文主要关注带有可移动观众座椅的不均匀安装的回风扩散板在礼堂侧壁下部的影响。

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