| Autor: |
Михаил Александрович Шеремет (Mikhail A. Sheremet), Дарья Сергеевна Лоенко (Darya S. Loenko) |
| Rok vydání: |
2019 |
| Předmět: |
|
| Zdroj: |
Вестник Пермского университета. Физика. :44-50 |
| ISSN: |
1994-3598 |
| DOI: |
10.17072/1994-3598-2019-4-44-50 |
| Popis: |
Numerical analysis of transient natural convection of non-Newtonian fluid in an enclosure with a local heat source of variable volumetric heat generation is carried out. The power-law fluid model of Ostwald-De-Waele is used for description of the non-Newtonian fluid behavior. The governing partial differential equations have been formulated in dimensionless variables «stream function–vorticity». The obtained boundary-value problem of mathematical physics has been solved numerically by the finite difference method using the uniform mesh. Investigations have been conducted in a wide range of the fluid power-law index and oscillation frequency of the heat source volumetric heat generation. Distributions of streamlines and isotherms as well as average Nusselt number at heater surface and average temperature within the heater illustrating the effects of the governing parameters on the fluid flow and heat transfer have been obtained. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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