Natural convection in a reservoir sidearm subject to solar radiation: experimental observations |
| |
Authors: | C Lei J C Patterson |
| |
Institution: | (1) School of Engineering, James Cook University Townsville, QLD 4811, Australia e-mail: Chengwang.Lei@jcu.edu.au, AU |
| |
Abstract: | The natural convection in a reservoir sidearm induced by solar radiation is visualised using a shadowgraph technique. The
flow visualisation reveals three stages of the flow development, namely an initial growth stage, a transitional stage and
a quasi-steady stage. At the initial growth stage, a distinct thermal boundary layer grows rapidly along the sloping bottom.
The transitional stage is characterised by the onset of convective instability in a form of rising plumes. At the quasi-steady
state, the mean temperature across the enclosure increases steadily in time and the flow is sighted with quasi-regular presence
of instabilities with reduced intensities.
Received: 3 July 2001/Accepted: 10 December 2001 |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|