| Issue |
MATEC Web Conf.
Volume 240, 2018
XI International Conference on Computational Heat, Mass and Momentum Transfer (ICCHMT 2018)
|
|
|---|---|---|
| Article Number | 04002 | |
| Number of page(s) | 7 | |
| Section | Renewable Energy Sources | |
| DOI | https://doi.org/10.1051/matecconf/201824004002 | |
| Published online | 27 November 2018 | |
Numerical study of an asymmetrically heated rectangular duct with suspended cylinders
Manipal University Jaipur, India 303007
* Corresponding author: ankur.srivastava@jaipur.manipal.edu
An asymmetrically heated (only one side of the duct is heated) solar air heater duct is numerically investigated using openFOAM to study the effect of passive turbulators (suspended cylinders) installed within the boundary layer close to the absorber plate to enhance heat transfer from it. Vortex flow is created behind the suspended cylinders, which disturbs the boundary layer and causes mixing of hot stream lines near the surface with relatively cold stream away from the absorber plate. Diameter of the suspended cylinders and its distance from the absorber plate is varied to study its effect on wall temperature of absorber plate in the turbulent flow regime.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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