Review of method to estimation of wind-driven rain on building façade

Seyedehzahra Mirrahimi, Chin Haw Lim, Selbin P.K. Mastor Surat

Research output: Contribution to journalArticle

Abstract

The purpose of this paper is to examine the different methods used to measure Wind- Driven Rain (WDR) occurring on building facades. The impact of the moisture conveyed by WDR has a significant effect on the durability of facades. By understanding the exposure of a building envelope to driving rain, it can influence building design that will combat the environmental load. Measuring the different aspects of wind-driven rain falling on facades is undertaken using a range of different techniques, including experimental and semi-empirical methods, and numerical simulation models. Measurements databases for field analysis are not commonly available for WDR, and the spatial and temporal dynamics in assessments made at a particular site, are not necessarily relevant at another location. However, field measurements have importance, as they can be used to develop and validate semi-empirical and numerical methods. The observations used in this numerical study, are based on a simplified simulation of how raindrops behave after impact on a vertical surface. Calculations using computational fluid dynamics have enabled an investigation into the effect of wind-flows and how they are associated with building design.

Original languageEnglish
Pages (from-to)18-23
Number of pages6
JournalAdvances in Environmental Biology
Volume9
Issue number2
Publication statusPublished - 1 Jan 2015

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Rain
rain
architectural design
methodology
raindrop
Hydrodynamics
durability
computational fluid dynamics
numerical method
simulation
simulation models
fluid mechanics
moisture
method
Databases

Keywords

  • Building façade
  • Experimental methods
  • Numerical methods
  • Semi-empirical methods
  • Wind-driven rain

ASJC Scopus subject areas

  • Environmental Science(all)
  • Agricultural and Biological Sciences(all)

Cite this

Review of method to estimation of wind-driven rain on building façade. / Mirrahimi, Seyedehzahra; Lim, Chin Haw; Mastor Surat, Selbin P.K.

In: Advances in Environmental Biology, Vol. 9, No. 2, 01.01.2015, p. 18-23.

Research output: Contribution to journalArticle

Mirrahimi, Seyedehzahra ; Lim, Chin Haw ; Mastor Surat, Selbin P.K. / Review of method to estimation of wind-driven rain on building façade. In: Advances in Environmental Biology. 2015 ; Vol. 9, No. 2. pp. 18-23.
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