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Simulation of different patterns of ventilation and air temperature in swine buildings
Authors: Daniella Moura, Vilmar Sousa Jr
Identifier: CSBE21347
Download file: https://library.csbe-scgab.ca/docs/meetings/2021/CSBE21347.pdf
Published in: CSBE-SCGAB Technical Conferences » 5th CIGR and AGM Quebec City 2021 » Regular Sessions
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Description: Ventilation systems used in swine facilities should be studied because it directly affects the productivity in the pig farming sector. In this way, the uniformity of air distribution and temperature is essential to the animal welfare in this breeding environment. Thus, the purpose of this study was to identify whether changes in air entrances and exhaust fans positioning could influence the air velocity and temperature distribution. The experimental data were collected in a commercial full-scale sow?s facility. The validation was carried out by comparing the simulated air temperature and data measured in the field. These results showed agreement between data with maximum relative errors of 3.5%. The real settings showed gradual increase in the air velocity from the air entrances and dead zones due to the airflow direction change. There was no difference when positioning of the exhaust fans is altered and it is maintained the original air entrances. The proposed arrangement with only one air intake reduced the areas of low air movement due to change of the flow direction. Besides, the variables have the same pattern along the transversal plane. The simulations showed that the position of the air inlets had higher influence on temperature distribution.
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Date: 2021-06-11
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Conference name: 5th CIGR International Conference and CSBE-SCGAB AGM 2021, Quebec City,QC, 11-14 May 2021.
Session name: Animal Systems 3 - Ventilation
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Type: Text.Abstract
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Publication type: Presentation
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Relation:
Coverage: Brazil
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
DOI:
Description: Ventilation systems used in swine facilities should be studied because it directly affects the productivity in the pig farming sector. In this way, the uniformity of air distribution and temperature is essential to the animal welfare in this breeding environment. Thus, the purpose of this study was to identify whether changes in air entrances and exhaust fans positioning could influence the air velocity and temperature distribution. The experimental data were collected in a commercial full-scale sow?s facility. The validation was carried out by comparing the simulated air temperature and data measured in the field. These results showed agreement between data with maximum relative errors of 3.5%. The real settings showed gradual increase in the air velocity from the air entrances and dead zones due to the airflow direction change. There was no difference when positioning of the exhaust fans is altered and it is maintained the original air entrances. The proposed arrangement with only one air intake reduced the areas of low air movement due to change of the flow direction. Besides, the variables have the same pattern along the transversal plane. The simulations showed that the position of the air inlets had higher influence on temperature distribution.
Keywords:
Résumé:
Mots-clés:
Citation:
Volume:
Issue:
Pages -
Contributor:
Date: 2021-06-11
Technical field:
Conference name: 5th CIGR International Conference and CSBE-SCGAB AGM 2021, Quebec City,QC, 11-14 May 2021.
Session name: Animal Systems 3 - Ventilation
Other information:
Type: Text.Abstract
Format:
Publication type: Presentation
Source:
Relation:
Coverage: Brazil
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
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