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Poiseuille flow and thermal creep in a capillary tube on the basis of the kinetic R-modelстатья
- Авторы: Titarev V.A., Shakhov E.M.
- Журнал: Fluid Dynamics
- Том: 47
- Номер: 5
- Год издания: 2012
- Издательство: Maik Nauka/Interperiodica Publishing
- Местоположение издательства: Russian Federation
- Первая страница: 661
- Последняя страница: 672
- DOI: 10.1134/s0015462812050146
- Аннотация: Flow of a diatomic rarefied gas in a capillary tube of infinite length and an arbitrary crosssection under a given small pressure gradient (Poiseuille flow) or a small temperature gradient (thermalcreep) is studied on the basis of a kinetic model that takes account for the rotational degrees of freedomof molecules (R-model). Numerical investigation is carried out for flows between parallel flat plates andin a circular capillary tube at the gas parameters corresponding to nitrogen. The main calculated quantityis the gas flow rate through a tube cross-section. The results are compared with the corresponding dataobtained on the basis of the S-model.
- Добавил в систему: Титарев Владимир Александрович