A supersonic viscous gas flow past a blunt cylindrical body bounded at its ends by parallel plates
The paper presents the results of calculations of a supersonic laminar flow past a cylindrical body located between parallel horizontal walls (plates). The free-stream Mach number M = 5. Calculations were carried out for various values of the geometric factor χ defined as the ratio of the distance b...
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| Format: | Article |
| Language: | English |
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Peter the Great St.Petersburg Polytechnic University
2025-03-01
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| Series: | St. Petersburg Polytechnical University Journal: Physics and Mathematics |
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| Online Access: | https://physmath.spbstu.ru/article/2025.78.02/ |
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| author | Kolesnik Elizaveta Babich Elena Smirnov Evgeny |
| author_facet | Kolesnik Elizaveta Babich Elena Smirnov Evgeny |
| author_sort | Kolesnik Elizaveta |
| collection | DOAJ |
| description | The paper presents the results of calculations of a supersonic laminar flow past a cylindrical body located between parallel horizontal walls (plates). The free-stream Mach number M = 5. Calculations were carried out for various values of the geometric factor χ defined as the ratio of the distance between the walls to the blunt diameter of the leading edge of the body, the ratio varying from 2 to infinity. Decreasing the distance between the walls was shown to lead to a shift of the separated shock closer to the streamlined body, and to an increase in the thickness of the separation region. In the case of χ = 2 a nonstationary self-oscillatory flow regime characterized by strong oscillations of the separated shock wave was realized. |
| format | Article |
| id | doaj-art-3555cff4658b4d38b61ab59e1f47b8e5 |
| institution | OA Journals |
| issn | 2405-7223 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Peter the Great St.Petersburg Polytechnic University |
| record_format | Article |
| series | St. Petersburg Polytechnical University Journal: Physics and Mathematics |
| spelling | doaj-art-3555cff4658b4d38b61ab59e1f47b8e52025-08-20T01:50:50ZengPeter the Great St.Petersburg Polytechnic UniversitySt. Petersburg Polytechnical University Journal: Physics and Mathematics2405-72232025-03-0118110.18721/JPM.1810220714726A supersonic viscous gas flow past a blunt cylindrical body bounded at its ends by parallel platesKolesnik Elizaveta0https://orcid.org/0000-0002-6308-733XBabich Elena1https://orcid.org/0000-0003-1442-4886Smirnov Evgeny2https://orcid.org/0000-0002-7218-6372Peter the Great St. Petersburg Polytechnic UniversityPeter the Great St. Petersburg Polytechnic UniversityPeter the Great St. Petersburg Polytechnic UniversityThe paper presents the results of calculations of a supersonic laminar flow past a cylindrical body located between parallel horizontal walls (plates). The free-stream Mach number M = 5. Calculations were carried out for various values of the geometric factor χ defined as the ratio of the distance between the walls to the blunt diameter of the leading edge of the body, the ratio varying from 2 to infinity. Decreasing the distance between the walls was shown to lead to a shift of the separated shock closer to the streamlined body, and to an increase in the thickness of the separation region. In the case of χ = 2 a nonstationary self-oscillatory flow regime characterized by strong oscillations of the separated shock wave was realized.https://physmath.spbstu.ru/article/2025.78.02/high-speed flownumerical simulationinternal separated flowviscous-inviscid interactionhorseshoe vortex |
| spellingShingle | Kolesnik Elizaveta Babich Elena Smirnov Evgeny A supersonic viscous gas flow past a blunt cylindrical body bounded at its ends by parallel plates St. Petersburg Polytechnical University Journal: Physics and Mathematics high-speed flow numerical simulation internal separated flow viscous-inviscid interaction horseshoe vortex |
| title | A supersonic viscous gas flow past a blunt cylindrical body bounded at its ends by parallel plates |
| title_full | A supersonic viscous gas flow past a blunt cylindrical body bounded at its ends by parallel plates |
| title_fullStr | A supersonic viscous gas flow past a blunt cylindrical body bounded at its ends by parallel plates |
| title_full_unstemmed | A supersonic viscous gas flow past a blunt cylindrical body bounded at its ends by parallel plates |
| title_short | A supersonic viscous gas flow past a blunt cylindrical body bounded at its ends by parallel plates |
| title_sort | supersonic viscous gas flow past a blunt cylindrical body bounded at its ends by parallel plates |
| topic | high-speed flow numerical simulation internal separated flow viscous-inviscid interaction horseshoe vortex |
| url | https://physmath.spbstu.ru/article/2025.78.02/ |
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