Field measurement and numerical analysis of wind-driven rain absorption and evaporation on building facades

M. Abuku; Bert Blocken; Staf Roels

Field measurement and numerical analysis of wind-driven rain absorption and evaporation on building facades

M. Abuku^*
, Bert Blocken
, Staf Roels

^*Corresponding author for this work

Research output: Contribution to conference › Paper › peer-review

1 Citation (Scopus)

Abstract

To investigate the validity of the traditional approach to implement wind-driven rain (WDR) innumerical models of heat, air and moisture (HAM) transfer in building components, under realatmospheric conditions, a new set-up was developed at a test building. WDR intensity, other relevant environmental conditions and the resulting moisture response of the wall to these conditions (both hygroscopic loading and WDR) were simultaneously measured. The whole measurement data set was used for validation. Large differences between the measurement and simulation results were found and possible causes discussed. It is concluded that many influencing parameters interact, and that therefore precisely simulating the hygrothermal response of walls to WDR is very difficult.

Original language	English
Pages	1-12
Number of pages	12
Publication status	Published - Jul 2009
Event	5th European and African Conference on Wind Engineering 2009 - Florence, Italy Duration: 19 Jul 2009 → 23 Jul 2009 https://www.iawe.org/about/eacwe.html

Conference

Conference	5th European and African Conference on Wind Engineering 2009
Abbreviated title	EACWE 5
Country/Territory	Italy
City	Florence
Period	19/07/09 → 23/07/09
Internet address	https://www.iawe.org/about/eacwe.html

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Building envelope
Driving rain
Durability
Hygrothermal behaviour
Moisture transfer

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment

Access to Document

https://www.iawe.org/about/5th_eacwe_proceedings.html

Cite this

@conference{c5a12bb90d884f05be3f4b73fe9fc86e,

title = "Field measurement and numerical analysis of wind-driven rain absorption and evaporation on building facades",

abstract = "To investigate the validity of the traditional approach to implement wind-driven rain (WDR) innumerical models of heat, air and moisture (HAM) transfer in building components, under realatmospheric conditions, a new set-up was developed at a test building. WDR intensity, other relevant environmental conditions and the resulting moisture response of the wall to these conditions (both hygroscopic loading and WDR) were simultaneously measured. The whole measurement data set was used for validation. Large differences between the measurement and simulation results were found and possible causes discussed. It is concluded that many influencing parameters interact, and that therefore precisely simulating the hygrothermal response of walls to WDR is very difficult. ",

keywords = "Building envelope, Driving rain, Durability, Hygrothermal behaviour, Moisture transfer",

author = "M. Abuku and Bert Blocken and Staf Roels",

year = "2009",

month = jul,

language = "English",

pages = "1--12",

note = "5th European and African Conference on Wind Engineering 2009, EACWE 5 ; Conference date: 19-07-2009 Through 23-07-2009",

url = "https://www.iawe.org/about/eacwe.html",

}

TY - CONF

T1 - Field measurement and numerical analysis of wind-driven rain absorption and evaporation on building facades

AU - Abuku, M.

AU - Blocken, Bert

AU - Roels, Staf

PY - 2009/7

Y1 - 2009/7

N2 - To investigate the validity of the traditional approach to implement wind-driven rain (WDR) innumerical models of heat, air and moisture (HAM) transfer in building components, under realatmospheric conditions, a new set-up was developed at a test building. WDR intensity, other relevant environmental conditions and the resulting moisture response of the wall to these conditions (both hygroscopic loading and WDR) were simultaneously measured. The whole measurement data set was used for validation. Large differences between the measurement and simulation results were found and possible causes discussed. It is concluded that many influencing parameters interact, and that therefore precisely simulating the hygrothermal response of walls to WDR is very difficult.

AB - To investigate the validity of the traditional approach to implement wind-driven rain (WDR) innumerical models of heat, air and moisture (HAM) transfer in building components, under realatmospheric conditions, a new set-up was developed at a test building. WDR intensity, other relevant environmental conditions and the resulting moisture response of the wall to these conditions (both hygroscopic loading and WDR) were simultaneously measured. The whole measurement data set was used for validation. Large differences between the measurement and simulation results were found and possible causes discussed. It is concluded that many influencing parameters interact, and that therefore precisely simulating the hygrothermal response of walls to WDR is very difficult.

KW - Building envelope

KW - Driving rain

KW - Durability

KW - Hygrothermal behaviour

KW - Moisture transfer

UR - https://www.scopus.com/pages/publications/84857621196

M3 - Paper

AN - SCOPUS:84857621196

SP - 1

EP - 12

T2 - 5th European and African Conference on Wind Engineering 2009

Y2 - 19 July 2009 through 23 July 2009

ER -

Field measurement and numerical analysis of wind-driven rain absorption and evaporation on building facades

Abstract

Conference

UN SDGs

Keywords

ASJC Scopus subject areas

Access to Document

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Cite this