## Abstract The augmentation of convective heat transfer of a turbulent flow using deltaβwinglet vortex generators (VG) in a triangular duct was experimentally investigated. Two side walls of the heated test section are electrically heated with a constant heat flux while the lower wall is indirectl
Effects of vortex generators on heat-transfer enhancement in a duct
β Scribed by K. Oyakawa; Y. Furukawa; T. Taira; I. Senaha; T. Nagata
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 112 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0894-1777
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π SIMILAR VOLUMES
Heat transfer and fluid mechanical data were computed for laminar channel flows containing strong longitudinal vortex pairs. The strong vortices are generated by thin delta wings and delta winglet pairs of low aspect ratios and large angles of attack. These wings are attached to the channel walls. T
GΓΆrtler vortices, which appear due to streamline curvature in a boundary layer, drastically modify the momentum and heat-transfer properties of the boundary layer. GΓΆrtler instability and, as such, heat transfer enhancement by GΓΆrtler instability are dependent on initial conditions. In particular,