Influence of HFM thermal contact on the accuracy of in situ measurements of faà§ades' U-value in operational stage
| Autor: | Marta Gangolells, Miquel Casals, Katia Gaspar |
|---|---|
| Přispěvatelé: | Universitat Politècnica de Catalunya. Departament de Tecnologia de l'Arquitectura, Universitat Politècnica de Catalunya. Departament d'Enginyeria de Projectes i de la Construcció, Universitat Politècnica de Catalunya. GRIC - Grup de Recerca i Innovació de la Construcció |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Edificació::Elements constructius d'edificis::Elements de tancament [Àrees temàtiques de la UPC]
Dwellings -- Energy consumption 0211 other engineering and technologies Energies::Eficiència energètica [Àrees temàtiques de la UPC] Mechanical engineering Anàlisi tèrmica Fachadas 02 engineering and technology non-destructive test lcsh:Technology lcsh:Chemistry Nondestructive testing 021105 building & construction 0202 electrical engineering electronic engineering information engineering Enginyeria dels materials::Assaig de materials [Àrees temàtiques de la UPC] General Materials Science Thermal analysis Buildings Instrumentation lcsh:QH301-705.5 Fluid Flow and Transfer Processes Ensayos (propiedades o materiales) Thermal transmittance General Engineering Process (computing) Thermal contact Simulación energética - herramientas buildings lcsh:QC1-999 3305.90 Transmisión de Calor en la Edificación 3307.18 Dispositivos Termoiónicos Computer Science Applications Façanes Ahorro energético 3312.12 Ensayo de Materiales Facade Transmitancia térmica Materials science Monitoring Assaigs no destructius 020209 energy Non-destructive testing Medidor de flujo de calor (HFM) Metre housing Habitatges -- Consum d'energia Non-destructive test 3311.16 Instrumentos de Medida de la Temperatura business.industry thermal transmittance lcsh:T Process Chemistry and Technology Conductividad térmica monitoring lcsh:Biology (General) lcsh:QD1-999 Façade lcsh:TA1-2040 3311.02 Ingeniería de Control Housing façade Stage (hydrology) HFM method business lcsh:Engineering (General). Civil engineering (General) Facades Heat flow lcsh:Physics |
| Zdroj: | Applied Sciences, Vol 11, Iss 979, p 979 (2021) Applied Sciences Volume 11 Issue 3 UPCommons. Portal del coneixement obert de la UPC Universitat Politècnica de Catalunya (UPC) |
| Popis: | Accurate information on the actual thermal transmittance of walls is vital to select appropriate energy-saving measures in existing buildings to meet the commitments of the European Green Deal. To obtain accurate results using the heat flow meter (HFM) method, good thermal contact must be made between the heat flow meter plate and the wall surface. This paper aimed to assess the influence of the non-perfect thermal contact of heat flow meter plates on the accuracy of in situ measurement of the faç ades&rsquo U-value when a film was applied to avoid damage to the wall surface. Given the fact that to avoid harm to the wall surface, the laying of a film is a usual procedure in the installation of equipment during the building&rsquo s operational stage. The findings show that deviations between measured U-values when an HFM was installed directly on the wall surface and when an HFM was installed with a PVC film were found to differ significantly from the theoretical effect of including a PVC film during the monitoring process. |
| Databáze: | OpenAIRE |
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