Effects of relaxation time on start-up time for starting flow of Maxwell fluid in a pipe
β Scribed by Zhen Li; Keqin Zhu
- Publisher
- The Chinese Society of Theoretical and Applied Mechanics; Institute of Mechanics, Chinese Academy of Sciences
- Year
- 2009
- Tongue
- English
- Weight
- 414 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0567-7718
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π SIMILAR VOLUMES
Unidirectional start-up flow of a viscoelastic fluid in a pipe with a fractional Maxwell's model is studied. The flow starting from rest is driven by a constant pressure gradient in an infinite long straight pipe. By employing the method of variable separations and Heaviside operational calculus, we
theoretical solution of the unsteady-state momentum equation for the start-up flow of a power-law fluid in circular tubes is presented. The solution is obtained with an approximate technique which has previously proved to be useful in solving other transport problems involving nonlinear partial diff