Spectator comfort in sports stadiums: on the impact of roof geometry on wind-driven rain shelter

T. van Hooff, J.W.P. Persoon, B.J.E. Blocken, J.E. Carmeliet, M.H. Wit, de

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

The main aspect for spectator comfort in outdoor stadiums is protection from wind and rain. This paper presents an investigation of the impact of roof geometry on rain shelter. CFD simulations and Lagrangian particle tracking are performed to analyse the wind flow pattern and rainfall distribution in seven generic stadium configurations and to assess the performance of each roof type. Although most existing stadium roofs are built with a light to medium upward slope towards the field, the analysis indicates that roofs with a downward slope of 13° provide significantly better rain shelter. The reason is not only the well-known trigonometric shielding effect. In addition, this roof type – as opposed to its counterparts – restricts the extent of the primary vortex in the stadium and generates a sufficiently strong counter-rotating secondary vortex below the roof that sweeps the rain away from the stands.
Original languageEnglish
Title of host publicationProceedings of the 8th Symposium of Building Physics in the Nordic Countries, 16-18 June 2008, Copenhagen, Denmark
EditorsC. Rode
Place of PublicationCopenhagen, Denmark
PublisherTechnical University of Denmark
Pages221-228
Volume1
ISBN (Print)978-87-7877-265-7
Publication statusPublished - 2008
Event8th Nordic Symposium on Building Physics (NSB 2008), June 16-18, 2008, Copenhagen, Denmark - Copenhagen, Denmark
Duration: 16 Jun 200818 Jun 2008
http://www.nsb2008.org/

Publication series

NameDTU Byg Report
VolumeR-189

Conference

Conference8th Nordic Symposium on Building Physics (NSB 2008), June 16-18, 2008, Copenhagen, Denmark
Abbreviated titleNSB 2008
CountryDenmark
CityCopenhagen
Period16/06/0818/06/08
Internet address

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    van Hooff, T., Persoon, J. W. P., Blocken, B. J. E., Carmeliet, J. E., & Wit, de, M. H. (2008). Spectator comfort in sports stadiums: on the impact of roof geometry on wind-driven rain shelter. In C. Rode (Ed.), Proceedings of the 8th Symposium of Building Physics in the Nordic Countries, 16-18 June 2008, Copenhagen, Denmark (Vol. 1, pp. 221-228). (DTU Byg Report; Vol. R-189). Technical University of Denmark.