E3S Web Conf.
Volume 246, 2021Cold Climate HVAC & Energy 2021
|Number of page(s)||7|
|Published online||29 March 2021|
Application of Horizontal Confluents Jets in a School Virtual Chamber
1 FCT – University of Algarve, Campus de Gambelas, 8005–139 Faro, Portugal
2 IST – University of Lisbon, Av. Rovisco Pais 1, 1049–001 Lisboa, Portugal
3 CINTAL, Campus de Gambelas, 8005–139 Faro, Portugal
4 School of Built Environment, University of Reading, Reading, RG6 6AW, UK
* Corresponding author: firstname.lastname@example.org
The study presented in this work is performed in a virtual chamber, similar to an existing experimental chamber, with dimensions of 4.50×2.55×2.50 m3. The chamber, occupied with twelve virtual manikins, is equipped with six tables, twelve chairs, one exhaust system and one inlet system, based in confluents jets system. In the exhaust system are considered six air ducts, located above the head level, connected to the ceiling area. The inlet system, based in four vertical ducts, with 0.15 m diameter, located on the corners of the chamber, are equipped with consecutive holes, that promotes horizontal jets near the wall. The results demonstrate that when the airflow rate increases the air quality number increases, the thermal comfort number decreases and the ADI increases slightly. The predicted percentage of dissatisfied index values show that the thermal comfort level is acceptable, the dioxide carbon concentration values show that the indoor air quality is near the acceptable value and the Draught Risk is acceptable.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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