Numerical simulation of turbulent airflow and heat transfer around a seated thermal manikin in the room with mixing ventilation
The numerical simulation of turbulent flow and heat transfer, when air moves around a thermal manikin sitting in a model room with mixing ventilation, has been carried out. The calculations were performed on the basis of the RANS approach using the standard k-ε turbulence model. The buoyancy effects...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Peter the Great St.Petersburg Polytechnic University
2022-09-01
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| Series: | St. Petersburg Polytechnical University Journal: Physics and Mathematics |
| Subjects: | |
| Online Access: | https://physmath.spbstu.ru/article/2022.57.09/ |
| _version_ | 1811204921021693952 |
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| author | Zasimova Marina Marinova Aleksandra Ivanov Nikolay Podmarkova Anna |
| author_facet | Zasimova Marina Marinova Aleksandra Ivanov Nikolay Podmarkova Anna |
| author_sort | Zasimova Marina |
| collection | DOAJ |
| description | The numerical simulation of turbulent flow and heat transfer, when air moves around a thermal manikin sitting in a model room with mixing ventilation, has been carried out. The calculations were performed on the basis of the RANS approach using the standard k-ε turbulence model. The buoyancy effects were described in the Boussinesq approximation. The obtained calculated data were close to the experimental ones, although there were local differences in the temperature distribution near the surface of the room walls. The impossibility of correct determination of the integral heat removal from the surface of the body without taking into account the radiation heat transfer was established. Along with studies in the ventilation regime with predominant forced convection, corresponding to the experiment, the characteristics of the flow and heat transfer in the free convection regime were analyzed, where the flow structure being caused by an intensive thermal plume forming above the manikin, and the temperature field being stratified in height. |
| first_indexed | 2024-04-12T03:21:52Z |
| format | Article |
| id | doaj.art-5591636f2e1e431980d9c7c08c2238d7 |
| institution | Directory Open Access Journal |
| issn | 2405-7223 |
| language | English |
| last_indexed | 2024-04-12T03:21:52Z |
| publishDate | 2022-09-01 |
| publisher | Peter the Great St.Petersburg Polytechnic University |
| record_format | Article |
| series | St. Petersburg Polytechnical University Journal: Physics and Mathematics |
| spelling | doaj.art-5591636f2e1e431980d9c7c08c2238d72022-12-22T03:49:52ZengPeter the Great St.Petersburg Polytechnic UniversitySt. Petersburg Polytechnical University Journal: Physics and Mathematics2405-72232022-09-0115310.18721/JPM.1530920714726Numerical simulation of turbulent airflow and heat transfer around a seated thermal manikin in the room with mixing ventilationZasimova Marina0https://orcid.org/0000-0002-4103-6574Marinova Aleksandra1https://orcid.org/0000-0002-9612-5814Ivanov Nikolay2https://orcid.org/0000-0001-9897-5401Podmarkova Anna3https://orcid.org/0000-0002-8329-7094Peter the Great St. Petersburg Polytechnic UniversityPeter the Great St. Petersburg Polytechnic UniversityPeter the Great St. Petersburg Polytechnic UniversityPeter the Great St. Petersburg Polytechnic UniversityThe numerical simulation of turbulent flow and heat transfer, when air moves around a thermal manikin sitting in a model room with mixing ventilation, has been carried out. The calculations were performed on the basis of the RANS approach using the standard k-ε turbulence model. The buoyancy effects were described in the Boussinesq approximation. The obtained calculated data were close to the experimental ones, although there were local differences in the temperature distribution near the surface of the room walls. The impossibility of correct determination of the integral heat removal from the surface of the body without taking into account the radiation heat transfer was established. Along with studies in the ventilation regime with predominant forced convection, corresponding to the experiment, the characteristics of the flow and heat transfer in the free convection regime were analyzed, where the flow structure being caused by an intensive thermal plume forming above the manikin, and the temperature field being stratified in height.https://physmath.spbstu.ru/article/2022.57.09/ventilationthermal manikinturbulent airflowheat transfernatural and forced convection |
| spellingShingle | Zasimova Marina Marinova Aleksandra Ivanov Nikolay Podmarkova Anna Numerical simulation of turbulent airflow and heat transfer around a seated thermal manikin in the room with mixing ventilation St. Petersburg Polytechnical University Journal: Physics and Mathematics ventilation thermal manikin turbulent airflow heat transfer natural and forced convection |
| title | Numerical simulation of turbulent airflow and heat transfer around a seated thermal manikin in the room with mixing ventilation |
| title_full | Numerical simulation of turbulent airflow and heat transfer around a seated thermal manikin in the room with mixing ventilation |
| title_fullStr | Numerical simulation of turbulent airflow and heat transfer around a seated thermal manikin in the room with mixing ventilation |
| title_full_unstemmed | Numerical simulation of turbulent airflow and heat transfer around a seated thermal manikin in the room with mixing ventilation |
| title_short | Numerical simulation of turbulent airflow and heat transfer around a seated thermal manikin in the room with mixing ventilation |
| title_sort | numerical simulation of turbulent airflow and heat transfer around a seated thermal manikin in the room with mixing ventilation |
| topic | ventilation thermal manikin turbulent airflow heat transfer natural and forced convection |
| url | https://physmath.spbstu.ru/article/2022.57.09/ |
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