Aerothermodynamics of Satellite During Atmospheric Reentry for the Whole Range of Gas Rarefaction: Influence of Inelastic Intermolecular Collisions
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| Format: | Artículo científico |
| Langue: | en |
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Sociedade Brasileira de Física
2012
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| _version_ | 1876453409258733568 |
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| author | Dalton Vinicius Kozak |
| author_facet | Dalton Vinicius Kozak |
| contents | Aerothermodynamics of Satellite During Atmospheric Reentry for the Whole Range of Gas Rarefaction: Influence of Inelastic Intermolecular Collisions Dalton Vinicius Kozak Felix Sharipov Física, Astronomía y Matemáticas DSMC Satellite Aerothermodynamics Rarefied gas dynamics The aerothermodynamic characteristics of the Brazilian satellite Satélite de Reentrada Atmosféricawere 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. 2012 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46423465005 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3-4 Vol.42 |
| format | Artículo científico |
| id | redalyc_46423465005 |
| institution | Redalyc |
| language | en |
| publishDate | 2012 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Aerothermodynamics of Satellite During Atmospheric Reentry for the Whole Range of Gas Rarefaction: Influence of Inelastic Intermolecular Collisions Dalton Vinicius Kozak Física, Astronomía y Matemáticas DSMC Satellite Aerothermodynamics Rarefied gas dynamics Aerothermodynamics of Satellite During Atmospheric Reentry for the Whole Range of Gas Rarefaction: Influence of Inelastic Intermolecular Collisions Dalton Vinicius Kozak Felix Sharipov Física, Astronomía y Matemáticas DSMC Satellite Aerothermodynamics Rarefied gas dynamics The aerothermodynamic characteristics of the Brazilian satellite Satélite de Reentrada Atmosféricawere 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. 2012 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46423465005 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3-4 Vol.42 |
| title | Aerothermodynamics of Satellite During Atmospheric Reentry for the Whole Range of Gas Rarefaction: Influence of Inelastic Intermolecular Collisions |
| topic | Física, Astronomía y Matemáticas DSMC Satellite Aerothermodynamics Rarefied gas dynamics |
| url | https://www.redalyc.org/articulo.oa?id=46423465005 |