Open Access

Influence of displacement ventilation on the distribution of pollutant concentrations in livestock housing

Zhang Ruifeng

Zhang Ruifeng

College of Civil Engineering & Architecture, Qingdao Agricultural UniversityChina
Search for this author on
Sciendo|Google Scholar
Ruifeng, Zhang
, 
Wang Hao

Wang Hao

  • College of Civil Engineering & Architecture, Qingdao Agricultural UniversityChina
  • College of Mechanical and Electrical Engineering, Qingdao Institute of TechnologyChina
Search for this author on
Sciendo|Google Scholar
Hao, Wang
 and 
Xu Zhenjun

Xu Zhenjun

College of Civil Engineering & Architecture, Qingdao Agricultural UniversityChina
Search for this author on
Sciendo|Google Scholar
Zhenjun, Xu
  
May 31, 2022
Influence of displacement ventilation on the distribution of pollutant concentrations in livestock housing's Cover Image
About this article
Previous Article
Next Article
Cite
Download Cover
Published Online: May 31, 2022
Received: Dec 29, 2021
Accepted: Mar 26, 2022
DOI: https://doi.org/10.2478/amns.2021.2.00199
Keywords
© 2022 Zhang Ruifeng et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Physical model and distribution of measurement points
Physical model and distribution of measurement points

Fig. 2

Variation of CO concentration values under different operating mode at one measurement site
Variation of CO concentration values under different operating mode at one measurement site

Fig. 3

Variation of CO concentration values under different operating modes at measurement point 2
Variation of CO concentration values under different operating modes at measurement point 2

Fig. 4

Variation of CO concentration values at the three measurement points under different operating modes
Variation of CO concentration values at the three measurement points under different operating modes

Fig. 5

Variation of CO concentration values at four measurement points under different operating modes
Variation of CO concentration values at four measurement points under different operating modes

Fig. 6

Variation of CO concentration values at five measurement points under different operating modes
Variation of CO concentration values at five measurement points under different operating modes

Fig. 7

Variation of CO concentration values at the six measurement points under different operating modes
Variation of CO concentration values at the six measurement points under different operating modes

Fig. 8

Variation of CO concentration values at seven measurement points under different operating modes
Variation of CO concentration values at seven measurement points under different operating modes

Fig. 9

Airflow rate distribution in the room for operating mode 1
Airflow rate distribution in the room for operating mode 1

Fig. 10

Airflow rate distribution in the room for operating mode 2
Airflow rate distribution in the room for operating mode 2

Fig. 11

Airflow rate distribution in the room for operating mode 3
Airflow rate distribution in the room for operating mode 3

Fig. 12

Airflow rate distribution in the room for operating mode 4
Airflow rate distribution in the room for operating mode 4

Fig. 13

Airflow rate distribution in the room for operating mode 5
Airflow rate distribution in the room for operating mode 5

Fig. 14

Vector diagram of the airflow velocity in the room for operating mode 1
Vector diagram of the airflow velocity in the room for operating mode 1

Fig. 15

Vector diagram of the airflow velocity in the room for operating mode 2
Vector diagram of the airflow velocity in the room for operating mode 2

Fig. 16

Vector diagram of airflow velocities in the room for operating mode 3
Vector diagram of airflow velocities in the room for operating mode 3

Fig. 17

Vector diagram of airflow velocity in the room for operating mode 4
Vector diagram of airflow velocity in the room for operating mode 4

Fig. 18

Vector diagram of airflow velocities in the room for operating mode 5
Vector diagram of airflow velocities in the room for operating mode 5

Setting of operating mode parameters

Room volume (m3) Pollutant mass flow rate [kg/(m2·s)] Number of air changes (times/h) Ventilation volume (m3)
operating mode 1 490 0.72 30 4.08
operating mode 2 490 0.72 35 4.76
operating mode 3 490 0.72 40 5.44
operating mode 4 490 0.72 45 6.13
operating mode 5 490 0.72 50 6.81
Language:
English
Publication timeframe:
1 times per year
Journal Subjects:
Life Sciences, Life Sciences, other, Mathematics, Applied Mathematics, General Mathematics, Physics, Physics, other
Journal RSS Feed