Analytical solution of flow of second-order non-Newtonian fluids through annular pipes |
| |
Authors: | Zhu Wen-hui Liu Ci-qun |
| |
Institution: | 1. National University of Defence Technology, Changsha;2. Institute of Porous Flow and Fluid Mechanics, Langfang, Hebei |
| |
Abstract: | This paper presents an analytical solution to the unsteady flow of the second-order non-Newtonian fluids by the use of intergral transformation method. Based on the numerical results, the effect of non-Newtonian coefficient Hc and other parameters on the flow are analysed. It is shown that the annular flow has a shorter characteristic time than the general pipe flow while the correspondent velocity, average velocity have a ... nailer value for a given Hc. Else, when radii ratio keeps unchanged, the shear stress of inner wall of annular flow will change with the inner radius -compared with the general pipe flow and is always smaller than that of the outer wall. |
| |
Keywords: | integral transformation shape factor non-Newtonian coefficient second-order fluids annular pipes |
本文献已被 CNKI SpringerLink 等数据库收录! |
| 点击此处可从《应用数学和力学(英文版)》浏览原始摘要信息 |
| 点击此处可从《应用数学和力学(英文版)》下载免费的PDF全文 |