Title | Investigation of jet flows by the small parameter method |
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Authors | P. A. Velmisov^{1}, U. J. Mizher^{1}, E. P. Semenova^{1}^{1}Ulyanovsk State Technical University |

Annotation | Asymptotic expansions are constructed and asymptotic local Obtained for axisymmetric flows of a viscous incompressible gas with a weak twist W, which differ from the analogous boundary-layer equations for flows with The final twist. Based on the solutions of these equations, "internal" flows are Constructed in the center of free weakly twisted jets. A comparison is made with the Results for jets with a finite twist. |

Keywords | aerohydrodynamics, stream, viscosity, asymptotic expansion |

Citation | Velmisov P. A., Mizher U. J., Semenova E. P. ''Investigation of jet flows by the small parameter method'' [Electronic resource]. Proceedings of the XIII International scientific conference ''Differential equations and their applications in mathematical modeling''. (Saransk, July 12-16, 2017). Saransk: SVMO Publ, 2017. - pp. 470-475. Available at: http://conf.svmo.ru/files/deamm2017/papers/paper64.pdf. - Date of access: 17.01.2021. |

**© SVMO, National Research Mordovia State University, 2021**

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