| Journal: | Brazilian journal of physics |
| Database: | PERIÓDICA |
| System number: | 000397444 |
| ISSN: | 0103-9733 |
| Authors: | Kozak, Dalton Vinicius1 Sharipov, Felix2 |
| Institutions: | 1Pontificia Universidade Catolica do Parana, Departamento de Engenharia de Computacao, Curitiba, Parana. Brasil 2Universidade Federal do Parana, Departamento de Fisica, Curitiba, Parana. Brasil |
| Year: | 2012 |
| Season: | Ago |
| Volumen: | 42 |
| Number: | 3-4 |
| Pages: | 192-206 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Analítico |
| English abstract | The aerothermodynamic characteristics of the Brazilian satellite Satélite de Reentrada Atmosférica were calculated for orbital-flight and atmosphericreentry conditions with the direct simulation Monte Carlo method for a diatomic gas. The internal modes of molecule energy in the intermolecular interaction, such as the rotational energy, were taken into account. The numerical calculations cover a range of gas rarefactions wide enough to embrace the free-molecule and hydrodynamic regimes. Two Mach numbers were considered: 10 and 20. Numerical results include the drag force of the satellite, the energy flux, pressure coefficient, and skin friction coefficient over the satellite surface, the density and temperature distributions, and streamlines of the gas flow around the satellite. The influence of the satellite temperature upon these characteristics was evaluated at different satellite temperatures |
| Disciplines: | Física y astronomía |
| Keyword: | Física, Astronáutica, Satélites, Orbitas, Reentrada atmosférica, Moléculas diatómicas, Gases |
| Keyword: | Physics and astronomy, Physics, Astronautics, Satellites, Orbits, Atmospheric entry, Diatomic molecules, Gases |
| Full text: | Texto completo (Ver PDF) |
