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Unsteady Helical Flows of a Size-Dependent Couple-Stress Fluid
Joint Authors
Rubbab, Qammar
Mirza, Itrat Abbas
Siddique, Imran
Irshad, Saadia
Source
Advances in Mathematical Physics
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-02-08
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
The helical flows of couple-stress fluids in a straight circular cylinder are studied in the framework of the newly developed, fully determinate linear couple-stress theory.
The fluid flow is generated by the helical motion of the cylinder with time-dependent velocity.
Also, the couple-stress vector is given on the cylindrical surface and the nonslip condition is considered.
Using the integral transform method, analytical solutions to the axial velocity, azimuthal velocity, nonsymmetric force-stress tensor, and couple-stress vector are obtained.
The obtained solutions incorporate the characteristic material length scale, which is essential to understand the fluid behavior at microscales.
If characteristic length of the couple-stress fluid is zero, the results to the classical fluid are recovered.
The influence of the scale parameter on the fluid velocity, axial flow rate, force-stress tensor, and couple-stress vector is analyzed by numerical calculus and graphical illustrations.
It is found that the small values of the scale parameter have a significant influence on the flow parameters.
American Psychological Association (APA)
Rubbab, Qammar& Mirza, Itrat Abbas& Siddique, Imran& Irshad, Saadia. 2017. Unsteady Helical Flows of a Size-Dependent Couple-Stress Fluid. Advances in Mathematical Physics،Vol. 2017, no. 2017, pp.1-10.
https://search.emarefa.net/detail/BIM-1123366
Modern Language Association (MLA)
Rubbab, Qammar…[et al.]. Unsteady Helical Flows of a Size-Dependent Couple-Stress Fluid. Advances in Mathematical Physics No. 2017 (2017), pp.1-10.
https://search.emarefa.net/detail/BIM-1123366
American Medical Association (AMA)
Rubbab, Qammar& Mirza, Itrat Abbas& Siddique, Imran& Irshad, Saadia. Unsteady Helical Flows of a Size-Dependent Couple-Stress Fluid. Advances in Mathematical Physics. 2017. Vol. 2017, no. 2017, pp.1-10.
https://search.emarefa.net/detail/BIM-1123366
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1123366