Experimental study of the transverse diffusion of pollutants through a downward plane jet in a room

Research output: Contribution to journalArticle

Standard

Harvard

APA

Vancouver

Author

Bibtex - Download

@article{4bdb0c4ae0194a82a58f39db0e0f2d36,
title = "Experimental study of the transverse diffusion of pollutants through a downward plane jet in a room",
abstract = "Recently, a new type of ventilation method known as protected zone ventilation has been studied for application to the prevention of indoor contaminants transported from one zone to another. The use of a downward plane jet plays a key role in a protected zone ventilation system. The objective of this study is to examine the transmission of contaminants through a downward plane jet in a room with gaseous contaminants. Experimental measurements were carried out in a full-scale test room under isothermal conditions at Aalto University, Finland. The results showed that the measured concentration profiles may match the calculated profiles when the supplied air velocity is higher than 1.5 m/s, by which the downward plane jet may separate the room into two zones with different concentrations. The results of this study may be used to guide the design and optimisation of protected zone ventilation systems.",
keywords = "air velocity, contaminant, Downward plane jet, plane jet, protected occupied zone ventilation, transverse diffusion",
author = "Guangyu Cao and Simo Kilpel{\"a}inen and Kai Sir{\'e}n",
year = "2018",
month = "4",
day = "3",
doi = "10.1080/14733315.2017.1356055",
language = "English",
volume = "17",
pages = "81--92",
journal = "International Journal of Ventilation",
issn = "1473-3315",
number = "2",

}

RIS - Download

TY - JOUR

T1 - Experimental study of the transverse diffusion of pollutants through a downward plane jet in a room

AU - Cao, Guangyu

AU - Kilpeläinen, Simo

AU - Sirén, Kai

PY - 2018/4/3

Y1 - 2018/4/3

N2 - Recently, a new type of ventilation method known as protected zone ventilation has been studied for application to the prevention of indoor contaminants transported from one zone to another. The use of a downward plane jet plays a key role in a protected zone ventilation system. The objective of this study is to examine the transmission of contaminants through a downward plane jet in a room with gaseous contaminants. Experimental measurements were carried out in a full-scale test room under isothermal conditions at Aalto University, Finland. The results showed that the measured concentration profiles may match the calculated profiles when the supplied air velocity is higher than 1.5 m/s, by which the downward plane jet may separate the room into two zones with different concentrations. The results of this study may be used to guide the design and optimisation of protected zone ventilation systems.

AB - Recently, a new type of ventilation method known as protected zone ventilation has been studied for application to the prevention of indoor contaminants transported from one zone to another. The use of a downward plane jet plays a key role in a protected zone ventilation system. The objective of this study is to examine the transmission of contaminants through a downward plane jet in a room with gaseous contaminants. Experimental measurements were carried out in a full-scale test room under isothermal conditions at Aalto University, Finland. The results showed that the measured concentration profiles may match the calculated profiles when the supplied air velocity is higher than 1.5 m/s, by which the downward plane jet may separate the room into two zones with different concentrations. The results of this study may be used to guide the design and optimisation of protected zone ventilation systems.

KW - air velocity

KW - contaminant

KW - Downward plane jet

KW - plane jet

KW - protected occupied zone ventilation

KW - transverse diffusion

UR - http://www.scopus.com/inward/record.url?scp=85032343273&partnerID=8YFLogxK

U2 - 10.1080/14733315.2017.1356055

DO - 10.1080/14733315.2017.1356055

M3 - Article

VL - 17

SP - 81

EP - 92

JO - International Journal of Ventilation

JF - International Journal of Ventilation

SN - 1473-3315

IS - 2

ER -

ID: 16044694