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Heat transfer response of free convection flow from a vertical heated plate to an oscillating surface heat flux
| Content Provider | Semantic Scholar |
|---|---|
| Author | Hossain, M. Anwar Rees, D. Andrew S. |
| Copyright Year | 1998 |
| Abstract | SummaryAn investigation is undertaken of the unsteady response of two-dimensional laminar free convection boundary layer flow of a viscous incompressible fluid along a semi-infinite vertical heated plate where the mean surface heat flux oscillates with a small amplitude about a steady profile. The buoyancy forces are favourable, resulting from a positive flux of heat from the surface of the plate into the fluid. The interaction of the time-periodic heat flux with the usual boundary-layer flow is examined by using a linearized theory. Solutions are obtained using three distinct methods, namely an extended series expansion method for low frequencies, an asymptotic series expansion method for high frequencies and a fully numerical finite difference method for general frequencies. Calculations have been carried out for a wide range of parameters to examine the solutions in terms of the amplitude and phase angle of the fluctuating parts of the surface shear stress and the surface temperature. It has been found that the amplitude and phase angle of both the shear stress and the surface temperature predicted by these three methods are in very good agreement in their respective ranges of validity. |
| Starting Page | 101 |
| Ending Page | 113 |
| Page Count | 13 |
| File Format | PDF HTM / HTML |
| DOI | 10.1007/BF01172801 |
| Volume Number | 126 |
| Alternate Webpage(s) | https://people.bath.ac.uk/ensdasr/PAPERS/PAPERS.bho/paper34.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |