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Testing Tornado Aerodynamics
| 题名： | Testing Tornado Aerodynamics |
| 正文语种： | eng |
| 作者： | Catherine A. Cardno |
| 摘要： | The largest tornado simulator in the U.S. capable of simultaneously producing swirling and translating winds - that is, winds that swirl upward while moving along the horizontal plane - has opened in the Wind Hazard Mitigation Laboratory at the Missouri University of Science and Technology in Rolla. The first tests in the tornado simulator took place this fall. The simulator will evaluate tornado-structure interactions to help researchers better understand how structures fail during tornadoes, which is a step in the process of improving tornado-resistant building codes, according to Guirong (Grace) Yan, Ph.D., M.ASCE, an associate professor in the civil, architectural, and environmental engineering department at Missouri S&T. Yan is also the director of WHAM and the university's Center for Hazard Mitigation and Community Resilience. The simulator is composed of an 84 in. diameter commercial fan that can produce a 139,000 cu ft/minute uplift wind flow rate. This fan is encased in a steel, bell-shaped structure measuring 17 ft in height with an exterior diameter of 20.2 ft. The simulator is hung from a steel bridge crane system that allows it to move 45 ft along a track at up to 8.2 ft/second as the fan is being operated, thus creating a swirling wind flow that translates. |
| 出版年： | 2022 |
| 期刊名称： | Civil Engineering |
| 卷： | 92 |
| 期： | 6 |
| 页码： | 16-17 |
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