Citation
Rosali, Haliza and Ishak, Anuar and Nazar, Roslinda and Merkin, John H. and Pop, Ioan
(2014)
The effect of unsteadiness on mixed convection boundary-layer stagnation-point flow over a vertical flat surface embedded in a porous medium.
International Journal of Heat and Mass Transfer, 77.
pp. 147-156.
ISSN 0017-9310
Abstract
The unsteady mixed convection boundary-layer flow towards a stagnation point on a heated vertical surface embedded in a porous medium is considered. The governing partial differential equations are reduced to a system of nonlinear ordinary differential equations using a similarity transformation. These are then solved numerically using the Keller-box method. These numerical results are complemented by asymptotic solutions for large values of A . The influence of dimensionless parameters λλ (mixed convection), A (time variation), n (wall temperature variation) on the flow field and heat transfer is analyzed and discussed, dual solutions being found for both assisting and opposing buoyant flows.
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Additional Metadata
| Item Type: | Article |
|---|---|
| Divisions: | Faculty of Science |
| DOI Number: | https://doi.org/10.1016/j.ijheatmasstransfer.2014.04.059 |
| Publisher: | Elsevier |
| Keywords: | Mixed convection; Unsteady flow; Planar and axisymmetric flow; Stagnation point; Porous medium |
| Depositing User: | Nurul Ainie Mokhtar |
| Date Deposited: | 18 Feb 2016 06:18 |
| Last Modified: | 18 Feb 2016 06:18 |
| Altmetrics: | http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.ijheatmasstransfer.2014.04.059 |
| URI: | http://psasir.upm.edu.my/id/eprint/35682 |
| Statistic Details: | View Download Statistic |
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