Numerical Investigation of Diffuser-Shaped Vortex Generators with Semi-Open Angles on Cylindrical Towers

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dc.contributor.authorSudsanguan, Anan
dc.contributor.authorBoonloi, Amnart
dc.contributor.authorJedsadaratanachai, Withada
dc.date.accessioned2026-08-06T10:50:14Z
dc.date.available2026-08-06T10:50:14Z
dc.date.issued2025-01-01
dc.description.abstractThis study presents a numerical investigation into the flow configurations and pressure distribution of cylindrical towers equipped with various vortex generators. The primary objective is to reduce the energy consumption of ventilation in these towers. Different diffuser-shaped vortex generators with semi-open angles are compared to determine the optimal angle for generating an upward suction draft. The study also examines the effects of air velocity and vortex generator size on flow configuration. The finite element method, implemented through commercial software, is employed to solve the main problem. The numerical results reveal that the suction draft speed within the tower is directly proportional to the crosswind speed. The diffuser-shaped vortex generator with a height equivalent to 2D provides the most effective ventilation. Furthermore, a semi-open angle of 8° proves to be the most suitable for cylindrical towers, with increasing semi-open angles resulting in enhanced updraft wind speeds.
dc.identifier.citationMathematical Modelling of Engineering Problems, 12(2), 434-442, 2025
dc.identifier.doi10.18280/mmep.120208
dc.identifier.issn23690739
dc.identifier.other2-s2.0-105000518426
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/16740
dc.sourceMathematical Modelling of Engineering Problems
dc.subjectdiffuser-shaped chimney
dc.subjectsolar updraft tower
dc.subjectturbulence modeling
dc.subjectwind energy
dc.subjectwind solar tower
dc.titleNumerical Investigation of Diffuser-Shaped Vortex Generators with Semi-Open Angles on Cylindrical Towers
dc.typeArticle

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