A full-scale experimental study concerning the moisture condensation on building glazing surface

Autor: Gilles Rusaouen, Frédéric Kuznik, Damien David, Raluca Teodosiu, Chi-Kien Nguyen, Catalin Teodosiu
Přispěvatelé: Centre d'Energétique et de Thermique de Lyon (CETHIL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS), Technical University of Civil Engineering of Bucharest = Université Technique de Génie Civil de Bucarest ( UTCB)
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Surface (mathematics)
Work (thermodynamics)
Environmental Engineering
Materials science
Condensation
Experimental measurements
Geography
Planning and Development
0211 other engineering and technologies
Full scale
02 engineering and technology
Heat transfer coefficient
010501 environmental sciences
01 natural sciences
[SPI.MECA.MEFL]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Fluids mechanics [physics.class-ph]
021108 energy
Full scale test room
ComputingMilieux_MISCELLANEOUS
0105 earth and related environmental sciences
Civil and Structural Engineering
[SPI.GCIV.CD]Engineering Sciences [physics]/Civil Engineering/Construction durable
Experimental data
Humidity
Building and Construction
Mechanics
Ventilation
Glazing
Moisture condensation
[SPI.MECA.THER]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Thermics [physics.class-ph]
Zdroj: Building and Environment
Building and Environment, Elsevier, 2019, 156, pp.215-224. ⟨10.1016/j.buildenv.2019.04.024⟩
ISSN: 0360-1323
DOI: 10.1016/j.buildenv.2019.04.024⟩
Popis: Superficial condensation phenomena often occur on the glazed elements of buildings. As a result, the aim of this study is to put forward an experimental approach to assess the condensation rate on building glazing surface for full-scale room tests under realistic conditions. The proposed method for condensation quantification is applied in this work for surface condensation on a cold glazing (2.90 m × 2.30 m) within a ventilated test room (6.20 m × 3.10 m x 2.50 m). We first describe the full-scale test cell, focusing then on the experimental apparatus employed for the condensation study. This is followed by the description of the methodology for the condensation rate quantification. The approach is based on image processing techniques, using condensation pictures. This allows also to reveal the mechanisms behind the condensation appearance and growth. On the other hand, the experimental data achieved by this method are compared with theoretical results based on condensation rate and heat transfer coefficient correlations available in the literature. An overall difference of up to 18% between the measured results and the theoretical results was found for the condensation rate. Consequently, the method proposed in this work leads to promising results concerning the condensation rate quantification on cold glazing within full-scale enclosures.
Databáze: OpenAIRE
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