A Study on the Behavior of a Viscoelastic Fluid Flow pasta Cavity
| Autor: | Zheng-Wen Lai, 賴政文 |
|---|---|
| Rok vydání: | 2007 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 95 The behavior of a viscoelastic fluid flow past a cavity was studied. Through changing Reynolds number, elastic coefficient and cavity length separately, the project explores the way that viscoelastic fluid flows behave under various conditions. The profiles of flow field were studied by a numerical computational method. The finite difference method was used in the vorticity and stream function equations. The Gauss-Seidel method with successive over relaxation (SOR) is implemented in the finite difference method to obtain the solutions. The results suggest that with higher elastic coefficient and the higher Reynolds number, the more obvious the overshoot of the primary recirculation zone. In addition, the steady-state secondary recirculation zone will not exist unless the cavity is longer than 1.5 multiple of the height of the channel at the Reynolds number of 75. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
| Externí odkaz: |
|