Open Access
ARTICLE
THE EFFECTS OF WINGLET VORTEX GENERATOR POSITION IN RECTANGULAR-DUCT-TYPE SOLAR AIR HEATERS
Boonchai Lertnuwat
Advanced Computational Fluid Dynamics Research Unit, Department of Mechanical Engineering, Faculty of Engineering,
Chulalongkorn University, Bangkok, 10330 THAILAND
* Corresponding author Email: Boonchai.L@Chula.ac.th
Frontiers in Heat and Mass Transfer 2022, 18, 1-9. https://doi.org/10.5098/hmt.18.1
Abstract
The aim of this work is to numerically investigate the effect of mounting winglet vortex generators on different positions in rectangular-duct-type air
heaters. The two investigated positions were the absorber plate and the insulation plate, opposite to the absorber plate. Four shapes of winglet vortex
generator, i.e. perforated rectangular winglet vortex generators (P-RWVG), rectangular winglet vortex generators (RWVG), perforated trapezoidal
winglet vortex generators (P-TWVG) and trapezoidal winglet vortex generators (TWVG), were used. Results showed that heat-transfer capability
would be better if the winglet vortex generators were mounted on the opposite insulation plate in the cases of P-RWVG, RWVG and P-TWVG.
Keywords
Cite This Article
Lertnuwat, B. (2022). THE EFFECTS OF WINGLET VORTEX GENERATOR POSITION IN RECTANGULAR-DUCT-TYPE SOLAR AIR HEATERS.
Frontiers in Heat and Mass Transfer, 18(1), 1–9.