Modelling of turbulent dispersion for numerical simulation of wind-driven rain on bridges

Modelling of turbulent dispersion for numerical simulation of wind-driven rain on bridges Environ Fluid Mech https://doi.org/10.1007/s10652-018-9603-y ORIGINAL ARTICLE Modelling of turbulent dispersion for numerical simulation of wind-driven rain on bridges 1 2 3 1,4 • • • Man Liu Sheng Hong Huang Bo Wen Yan Qiu Sheng Li Received: 17 July 2017 / Accepted: 24 May 2018 Springer Science+Business Media B.V., part of Springer Nature 2018 Abstract Wind-driven rain (WDR) is responsible for many potential negative effects on bridges, such as structural cracking, aggregate erosion, steel corrosion and storm water management problems and so on. Hence, accurate evaluations of the WDR effects on bridges are essential to provide solutions for preventing material degradation and improving durability capability of bridges. However, in most previous WDR numerical studies, the turbulent dispersion of raindrops was neglected. In this paper, the turbulent dispersion is integrated into Eulerian multiphase model to investigate the WDR effects on a bridge with rectangular cross-section. Especially, the influences of the turbulent dispersion are discussed in detail by comparing the WDR simulation results for the cases with and without consideration of the turbulent dispersion in terms of WDR flow fields, volume fraction, specific catch ratio, catch ratio, rain loads and aerostatic force coefficients. The results indicate that the turbulent dispersion for http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Environmental Fluid Mechanics Springer Journals

Modelling of turbulent dispersion for numerical simulation of wind-driven rain on bridges

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer Science+Business Media B.V., part of Springer Nature
Subject
Earth Sciences; Earth Sciences, general; Environmental Physics; Hydrology/Water Resources; Classical Mechanics; Hydrogeology; Oceanography
ISSN
1567-7419
eISSN
1573-1510
D.O.I.
10.1007/s10652-018-9603-y
Publisher site
See Article on Publisher Site

Abstract

Environ Fluid Mech https://doi.org/10.1007/s10652-018-9603-y ORIGINAL ARTICLE Modelling of turbulent dispersion for numerical simulation of wind-driven rain on bridges 1 2 3 1,4 • • • Man Liu Sheng Hong Huang Bo Wen Yan Qiu Sheng Li Received: 17 July 2017 / Accepted: 24 May 2018 Springer Science+Business Media B.V., part of Springer Nature 2018 Abstract Wind-driven rain (WDR) is responsible for many potential negative effects on bridges, such as structural cracking, aggregate erosion, steel corrosion and storm water management problems and so on. Hence, accurate evaluations of the WDR effects on bridges are essential to provide solutions for preventing material degradation and improving durability capability of bridges. However, in most previous WDR numerical studies, the turbulent dispersion of raindrops was neglected. In this paper, the turbulent dispersion is integrated into Eulerian multiphase model to investigate the WDR effects on a bridge with rectangular cross-section. Especially, the influences of the turbulent dispersion are discussed in detail by comparing the WDR simulation results for the cases with and without consideration of the turbulent dispersion in terms of WDR flow fields, volume fraction, specific catch ratio, catch ratio, rain loads and aerostatic force coefficients. The results indicate that the turbulent dispersion for

Journal

Environmental Fluid MechanicsSpringer Journals

Published: May 30, 2018

References

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