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The 40th AIVC Conference "From energy crisis to sustainable indoor climate - 40 years of AIVC", was held in Ghent, Belgium, 15-16 October 2019. Contains 128 papers and/or summaries.

Volume content
Assessment of the durability of airtightness products in laboratory controlled conditions: development and presentation of the experimental protocol.

The airtightness of new buildings has significantly improved in the last two decades thanks to building energy performance regulations. However, until now,…

Andrés Litvak, Fabien Allègre, Bassam Moujalled, Valérie Leprince
Moisture impact on dimensional changes and air leakage in wooden buildings

Wood is a hygroscopic material, it has the ability to adsorb or desorb water in response to the ambient relative humidity. Thus, the ambient air will affect…

Paula Wahlgren, Fredrik Domhagen
Association between Indoor Air Quality and Sleep Quality

The association between indoor air quality (IAQ) and sleep quality was investigated in this study. A total of 27 participants (14 males and 13 females, 20-…

Chenxi Liao, Marc Delghust, Jelle Laverge
Measurements of sleep quality with low-cost sleep monitors: Effect of bedroom air quality and sleep quality

More than 20 years of one’s life is spent in the bedroom when sleeping. Sleep quality is essential for our health, well-being and next-day performance.…

Pawel Wargocki
CO2 concentration of the surrounding air near sleeping infants inside a crib

The indoor air quality is very important for the well-being of occupants, especially in the case of young babies. This research focuses on the air quality…

Gert-Jan Braun, Wim Zeiler
Techniques to Estimate Commercial Building Infiltration Rates

The estimation of low-rise, residential building infiltration rates using envelope airtightness values from whole building fan pressurization tests has been…

Andrew Persily, Lisa Ng, W. Stuart Dols, Steven Emmerich
Wind Pressure Coefficient and Wind Velocity around Buildings in High Density Block of Metropolis for Natural Ventilation Design

The ventilative cooling by natural ventilation is important technology for the buildings in urban area for the sake of energy saving and BCP (Business…

Toshio Yamanaka, Eunsu Lim, Tomohiro Kobayashi, Toshihiko Sajima, Kanji Fukuyama
Alternative solution proposal to improve the air change in light shafts based on flaps

Outdoor air change qualifies the air that enters into the buildings. The outdoor air moves freely along the urban mesh favoured by the wind forces and…

Ángel Padilla-Marcos Miguel, Alberto Meiss, Raquel Gil-Valverde, Irene Poza-Casado, Jesús Feijó-Muñoz
Probabilistic modelling of wind induced air exchange in buildings

The work presented is the continuation of the research on the probabilistic modelling of air infiltration carried out by the author over many years. The…

Krystyna Pietrzyk
Impact of an occupancy and activity based window use model on the prediction of the residential energy use and thermal comfort

The opening of windows can lead to high energy losses in wintertime, especially in nearly zero-energy buildings. But can reduce overheating significantly in…

Silke Verbruggen, Marc Delghust, Jelle Laverge, Arnold Janssens
Quality framework for residential ventilation systems in Flemish Region in Belgium – feedback after three years’ experience

A ventilation performance report is mandatory for every new residential building in Flanders, for building permits issued since January, 1st 2016. This…

Maarten De Strycker, Liesje Van Gelder, Martyna Andrzejewicz, Valérie Leprince
Commission and performance contracting of ventilation systems in practice. Determination, analyses and consequences for practitioners and contractors

Studies in the Netherlands show that ventilation systems of dwellings don’t comply with building regulations. The main shortcoming is insufficient…

Wouter Borsboom, Wim Kornaat, Pieter van Beek, Niek-Jan Bink, Timothy Lanooy
Test of new analysis methodologies to assess dynamic airflow rate with the tracer gas decay method

The measurement of natural airflows is practically challenging. Driving forces that induce natural airflows are characterized by low pressure differences.…

Gabriel Remion, Bassam Moujalled, Mohamed El Mankibi
Reliability of ductwork airtightness measurement: impact of pressure drop and leakage repartition on the test result

Building airtightness requirements are becoming more and more common in Europe (Leprince, Carrié, & Kapsalaki, 2017). However, airtight buildings…

Sylvain Berthault, Valérie Leprince
Out2In: impact of filtration and air purification on the penetration of outdoor air pollutants into the indoor environment by ventilation

Within the ventilation principle of buildings, the outdoor air is considered as a source of fresh, "clean" air. Outdoor air quality monitoring by…

Joris Van Herreweghe, Samuel Caillou, Tom Haerinck, Johan Van Dessel
Future trends in laboratory methods to predict HVAC in service filter performance

Air filters installed in ventilation systems face various types of aerosols during their service life, both in residential and in commercial buildings.…

Jesús Marval, Luis Medina, Emanuele Norata, Paolo Tronville
A study of the influence of the position of a chimney terminal on the vertical walls of a building on the air quality of the ventilation air supply

Combustion appliances are used in many buildings to provide space heating and domestic hot water. These appliances emit smoke that contains pollutants that…

Xavier Kuborn, Sébastien Pecceu
When the EPR hits the fan, or…the killing of the fan energy

The last decades big steps have been made on the road to develop and design energy neutral buildings. Despite the large list of developments and…

Ad van der Aa, Per Heiselberg, Willem de Gids
Existing standards for testing gas phase air cleaners

Many test methods exist for evaluating gaseous-contaminant filtration media, and a few for evaluating functional filters and other devices. These test…

Paolo Tronville
Methods to evaluate gas phase air-cleaning technologies

Gas-phase air cleaning methodologies have been considered as an attractive and cost-benefit alternative, and supplement to the traditional ventilation…

Pawel Wargocki
Showing 101 to 120 of 128. Page 6 of 7