Modelling heat and mass transfer of a broiler house using computational fluid dynamics
Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provi...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Rojano, Fernando [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015transfer abstract |
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| Schlagwörter: |
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| Umfang: |
14 |
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| Übergeordnetes Werk: |
Enthalten in: The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) - Raggi, M. ELSEVIER, 2015, San Diego, Calif |
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| Übergeordnetes Werk: |
volume:136 ; year:2015 ; pages:25-38 ; extent:14 |
| Links: |
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| DOI / URN: |
10.1016/j.biosystemseng.2015.05.004 |
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ELV028741099 |
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| 520 | |a Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. | ||
| 520 | |a Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. | ||
| 650 | 7 | |a Sensible and latent heat |2 Elsevier | |
| 650 | 7 | |a CO2 |2 Elsevier | |
| 650 | 7 | |a Livestock building |2 Elsevier | |
| 650 | 7 | |a Henhouse |2 Elsevier | |
| 650 | 7 | |a Natural ventilation |2 Elsevier | |
| 650 | 7 | |a CFD modelling |2 Elsevier | |
| 700 | 1 | |a Bournet, Pierre-Emmanuel |4 oth | |
| 700 | 1 | |a Hassouna, Melynda |4 oth | |
| 700 | 1 | |a Robin, Paul |4 oth | |
| 700 | 1 | |a Kacira, Murat |4 oth | |
| 700 | 1 | |a Choi, Christopher Y. |4 oth | |
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10.1016/j.biosystemseng.2015.05.004 doi GBVA2015005000006.pica (DE-627)ELV028741099 (ELSEVIER)S1537-5110(15)00086-0 DE-627 ger DE-627 rakwb eng 570 570 DE-600 630 VZ 640 VZ 320 VZ 630 640 610 VZ Rojano, Fernando verfasserin aut Modelling heat and mass transfer of a broiler house using computational fluid dynamics 2015transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. Sensible and latent heat Elsevier CO2 Elsevier Livestock building Elsevier Henhouse Elsevier Natural ventilation Elsevier CFD modelling Elsevier Bournet, Pierre-Emmanuel oth Hassouna, Melynda oth Robin, Paul oth Kacira, Murat oth Choi, Christopher Y. oth Enthalten in Academ. Press Raggi, M. ELSEVIER The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) 2015 San Diego, Calif (DE-627)ELV018374581 volume:136 year:2015 pages:25-38 extent:14 https://doi.org/10.1016/j.biosystemseng.2015.05.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 AR 136 2015 25-38 14 045F 570 |
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10.1016/j.biosystemseng.2015.05.004 doi GBVA2015005000006.pica (DE-627)ELV028741099 (ELSEVIER)S1537-5110(15)00086-0 DE-627 ger DE-627 rakwb eng 570 570 DE-600 630 VZ 640 VZ 320 VZ 630 640 610 VZ Rojano, Fernando verfasserin aut Modelling heat and mass transfer of a broiler house using computational fluid dynamics 2015transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. Sensible and latent heat Elsevier CO2 Elsevier Livestock building Elsevier Henhouse Elsevier Natural ventilation Elsevier CFD modelling Elsevier Bournet, Pierre-Emmanuel oth Hassouna, Melynda oth Robin, Paul oth Kacira, Murat oth Choi, Christopher Y. oth Enthalten in Academ. Press Raggi, M. ELSEVIER The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) 2015 San Diego, Calif (DE-627)ELV018374581 volume:136 year:2015 pages:25-38 extent:14 https://doi.org/10.1016/j.biosystemseng.2015.05.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 AR 136 2015 25-38 14 045F 570 |
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10.1016/j.biosystemseng.2015.05.004 doi GBVA2015005000006.pica (DE-627)ELV028741099 (ELSEVIER)S1537-5110(15)00086-0 DE-627 ger DE-627 rakwb eng 570 570 DE-600 630 VZ 640 VZ 320 VZ 630 640 610 VZ Rojano, Fernando verfasserin aut Modelling heat and mass transfer of a broiler house using computational fluid dynamics 2015transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. Sensible and latent heat Elsevier CO2 Elsevier Livestock building Elsevier Henhouse Elsevier Natural ventilation Elsevier CFD modelling Elsevier Bournet, Pierre-Emmanuel oth Hassouna, Melynda oth Robin, Paul oth Kacira, Murat oth Choi, Christopher Y. oth Enthalten in Academ. Press Raggi, M. ELSEVIER The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) 2015 San Diego, Calif (DE-627)ELV018374581 volume:136 year:2015 pages:25-38 extent:14 https://doi.org/10.1016/j.biosystemseng.2015.05.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 AR 136 2015 25-38 14 045F 570 |
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10.1016/j.biosystemseng.2015.05.004 doi GBVA2015005000006.pica (DE-627)ELV028741099 (ELSEVIER)S1537-5110(15)00086-0 DE-627 ger DE-627 rakwb eng 570 570 DE-600 630 VZ 640 VZ 320 VZ 630 640 610 VZ Rojano, Fernando verfasserin aut Modelling heat and mass transfer of a broiler house using computational fluid dynamics 2015transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. Sensible and latent heat Elsevier CO2 Elsevier Livestock building Elsevier Henhouse Elsevier Natural ventilation Elsevier CFD modelling Elsevier Bournet, Pierre-Emmanuel oth Hassouna, Melynda oth Robin, Paul oth Kacira, Murat oth Choi, Christopher Y. oth Enthalten in Academ. Press Raggi, M. ELSEVIER The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) 2015 San Diego, Calif (DE-627)ELV018374581 volume:136 year:2015 pages:25-38 extent:14 https://doi.org/10.1016/j.biosystemseng.2015.05.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 AR 136 2015 25-38 14 045F 570 |
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10.1016/j.biosystemseng.2015.05.004 doi GBVA2015005000006.pica (DE-627)ELV028741099 (ELSEVIER)S1537-5110(15)00086-0 DE-627 ger DE-627 rakwb eng 570 570 DE-600 630 VZ 640 VZ 320 VZ 630 640 610 VZ Rojano, Fernando verfasserin aut Modelling heat and mass transfer of a broiler house using computational fluid dynamics 2015transfer abstract 14 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. Sensible and latent heat Elsevier CO2 Elsevier Livestock building Elsevier Henhouse Elsevier Natural ventilation Elsevier CFD modelling Elsevier Bournet, Pierre-Emmanuel oth Hassouna, Melynda oth Robin, Paul oth Kacira, Murat oth Choi, Christopher Y. oth Enthalten in Academ. Press Raggi, M. ELSEVIER The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) 2015 San Diego, Calif (DE-627)ELV018374581 volume:136 year:2015 pages:25-38 extent:14 https://doi.org/10.1016/j.biosystemseng.2015.05.004 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 AR 136 2015 25-38 14 045F 570 |
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modelling heat and mass transfer of a broiler house using computational fluid dynamics |
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Modelling heat and mass transfer of a broiler house using computational fluid dynamics |
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Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. |
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Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. |
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Improvements to the living conditions in semi-enclosed spaces such as broiler houses can be achieved by better control of the heat and mass transport that occur in climate and air quality. This study shows that computer-aided modelling, and in particular computational fluid dynamics (CFD), can provide to researchers the ability to integrate the primary forces that interact at the interior environment. A two dimensional CFD model was used to assess the dynamics of a broiler house by investigating sensible and latent heat, as well as mass transport and radiative transfer energy, as these relate to the environment of the broiler house. Validation data related to temperature, absolute humidity and CO2 were collected both inside and outside of a naturally ventilated broiler house. Inside data was logged at various locations to identify the degree of homogeneity throughout space. The CFD model replicated two contrasting cases: an early stage and a late stage of production. The predicted values for temperature, absolute humidity and CO2 were in good agreement with experimental data. For instance, the first case had a ventilation rate of 10 air changes h−1, and obtained a root-mean-square error (RMSE) of 1.0 °C, 0.3 g [H2O] kg−1 [dry air] and 134 ppm for temperature, absolute humidity and CO2, respectively. The second case had ventilation rates of 25 air changes h−1, and obtained a RMSE of 0.9 °C and 0.48 g [H2O] kg−1 [dry air] for temperature and absolute humidity, respectively. |
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