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The relationship between vapour pressure excess and air change rates in bedrooms : a pilot study

Ahmed, J; Altamirano, H; Rovas, D; Mawditt, I; (2021) The relationship between vapour pressure excess and air change rates in bedrooms : a pilot study. In: (Proceedings) 1st International Conference on Moisture in Buildings 2021 (ICMB21). ScienceOpen (In press). Green open access

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Abstract

Air change rates can be measured using tracer gas techniques which can be costly and intrusive. Moisture data is more accessible, and there is a relationship between moisture conditions and ventilation. This study aims to investigate the relationship between vapour pressure excess and air change rates in bedrooms. The CO2 decay method was used to estimate air change rates when bedrooms were unoccupied in the morning. The relationship between the average hourly change in vapour pressure excess and the air change rate was examined. Results showed a very weak to no correlation between the variables possibly due to moisture buffering and airflow from other rooms.

Type: Proceedings paper
Title: The relationship between vapour pressure excess and air change rates in bedrooms : a pilot study
Event: 1st International Conference on Moisture in Buildings 2021 (ICMB21)
Open access status: An open access version is available from UCL Discovery
DOI: 10.14293/icmb210004
Publisher version: http://doi.org/10.14293/icmb210004
Language: English
Additional information: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10128425
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