<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>A physical model of a tall space livestock house was established using Prosim software and the relevant boundary conditions were set under the replacement of ventilation conditions. The exhaust air volume calculated by different ventilation times is simulated to the effort of the indoor pollutant concentration distribution and the measuring points are evenly arranged in the space. The study found that the replacement ventilation effect is optimal and the indoor pollutant concentration is the lowest when the indoor air supply and exhaust air volume are increased to 45 times/h.</p>
</abstract>

A physical model of a tall space livestock house was established using Prosim software and the relevant boundary conditions were set under the replacement of ventilation conditions. The exhaust air volume calculated by different ventilation times is simulated to the effort of the indoor pollutant concentration distribution and the measuring points are evenly arranged in the space. The study found that the replacement ventilation effect is optimal and the indoor pollutant concentration is the lowest when the indoor air supply and exhaust air volume are increased to 45 times/h.

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

College of Civil Engineering & Architecture

College of Mechanical and Electrical Engineering

Applied Mathematics and Nonlinear Sciences

This work is licensed under the Creative Commons Attribution 4.0 International License.

A physical model of a tall space livestock house was established using Prosim software and the relevant boundary conditions were set under the replacement of...

	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

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

Publié en ligne: 31 mai 2022

Pages: -

Reçu: 29 déc. 2021

Accepté: 26 mars 2022

DOI: https://doi.org/10.2478/amns.2021.2.00199

Mots clés
displacement ventilation, number of air changes, pollutant concentration, ventilation volume, emission rate

© 2022 Zhang Ruifeng et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

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Setting of operating mode parameters

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

Publié en ligne: 31 mai 2022

Pages: -

Reçu: 29 déc. 2021

Accepté: 26 mars 2022

DOI: https://doi.org/10.2478/amns.2021.2.00199

Mots clésdisplacement ventilation, number of air changes, pollutant concentration, ventilation volume, emission rate

© 2022 Zhang Ruifeng et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Fig. 2

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Fig. 7

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Fig. 10

Fig. 11

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Fig. 18

Setting of operating mode parameters

Mots clés
displacement ventilation, number of air changes, pollutant concentration, ventilation volume, emission rate