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Variability of thermal stratification in naturally ventilated residential buildings

Variability of thermal stratification in naturally ventilated residential buildings
Variability of thermal stratification in naturally ventilated residential buildings
Building energy simulation programs often use standard thermal comfort indices and thresholds as boundary conditions. However, most of them focus on comfortable indoor hydrothermal levels, rather than spatial distributions. This paper investigates internal temperature vertical stratification in naturally ventilated residential buildings. To evaluate this effect, a field study was carried out in Greater London during the winters of 2012 and 2013. This allowed the monitoring of indoor thermal stratification amplitude and frequency variability in real settings. To follow this investigation, CFD models simulating heat and mass transfer within the airflow are developed, and validated from the experimental results. To conclude, this paper reviews the potential for building-in greater thermal variability into existing comfort simulation tools.
1-7
IBPSA
Gauthier, S.
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Shipworth, D.
f0c2fd64-352f-48f3-b518-e240b4801f2e
Gauthier, S.
4e7702f7-e1a9-4732-8430-fabbed0f56ed
Shipworth, D.
f0c2fd64-352f-48f3-b518-e240b4801f2e

Gauthier, S. and Shipworth, D. (2014) Variability of thermal stratification in naturally ventilated residential buildings. In Proceedings of 2nd Building Simulation and Optimisation Conference: BSO14. IBPSA. pp. 1-7 . (In Press)

Record type: Conference or Workshop Item (Paper)

Abstract

Building energy simulation programs often use standard thermal comfort indices and thresholds as boundary conditions. However, most of them focus on comfortable indoor hydrothermal levels, rather than spatial distributions. This paper investigates internal temperature vertical stratification in naturally ventilated residential buildings. To evaluate this effect, a field study was carried out in Greater London during the winters of 2012 and 2013. This allowed the monitoring of indoor thermal stratification amplitude and frequency variability in real settings. To follow this investigation, CFD models simulating heat and mass transfer within the airflow are developed, and validated from the experimental results. To conclude, this paper reviews the potential for building-in greater thermal variability into existing comfort simulation tools.

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BSO14_Paper_033.pdf - Author's Original
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Accepted/In Press date: June 2014
Organisations: Energy & Climate Change Group

Identifiers

Local EPrints ID: 378788
URI: http://eprints.soton.ac.uk/id/eprint/378788
PURE UUID: c5ac258f-a34b-46dd-8344-18a7cf9e4e56
ORCID for S. Gauthier: ORCID iD orcid.org/0000-0002-1720-1736

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Date deposited: 21 Jul 2015 11:18
Last modified: 07 Aug 2020 01:41

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