Improving air leakage prediction of buildings using the fan pressurization method with the Weighted Line of Organic Correlation

Kölsch, Benedikt; Walker, Iain S.

doi:10.1016/j.buildenv.2020.107157

Cited by 8 publications

(2 citation statements)

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“…They used the same experimental data to quantify the impact of changing the regression technique [21]. Kölsch and Walker also worked on the impact of the data analysis method used in the standard [22]. There remains a need for further investigations to better understand the physics during airtightness measurements, as explained by Kölsch et al [23].…”

Section: Need To Better Characterize the Measurement Reliabilitymentioning

confidence: 99%

“…Kölsch and Walker also worked on the impact of the data analysis method used in the standard [22]. There remains a need for further investigations to better understand the physics during airtightness measurements, as explained by Kölsch et al [23]. More specifically, it is necessary to understand how the wind affects pressurization measurements to characterize the error induced by the wind on the measurement results.…”

Section: Need To Better Characterize the Measurement Reliabilitymentioning

confidence: 99%

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Model-Scale Reproduction of Fan Pressurization Measurements in a Wind Tunnel: Design and Characterization of a New Experimental Facility

Mélois,

Tran,

Moujalled

et al. 2024

Buildings

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In many countries, building airtightness is mandated by national regulations or energy efficiency programs, necessitating accurate measurements using the fan pressurization method. Given the significant influence of wind on measurement uncertainty and the need for reliable regulatory tests, experimental studies in a controlled environment are needed. This paper presents a novel experimental facility designed to replicate fan pressurization measurements on a model scale under controlled laboratory conditions. The key features of the facility include the ability to (1) conduct fan pressurization measurements, (2) generate steady wind conditions across varying wind speeds, and (3) accurately measure parameters like the pressure difference, wind speed, and airflow rate. The experimental facility includes a pressurization device, a wind tunnel, and a model representing a two-story house with nine distinct leakage distributions. A total of 96 fan pressurization measurements were executed using this setup, adhering to the similarity conditions specifically defined for assessing airflow errors due to wind. These tests followed the ISO 9972 standard, with the pressure differences ranging from 10 Pa to 100 Pa and steady wind speeds from 1 m·s−1 to 7.5 m·s−1. This experimental facility marks a significant advancement in understanding the effect of wind on building airtightness measurements.

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Section: Need To Better Characterize the Measurement Reliabilitymentioning

confidence: 99%

Section: Need To Better Characterize the Measurement Reliabilitymentioning

confidence: 99%