LoginIn a context of energy use reduction, low energy buildings are becoming more widespread. This kind of construction requires a good envelop airtightness to prevent uncontrolled leakages of conditioned air leading to energy losses.
42nd AIVC - 10th TightVent - 8th venticool Conference - Rotterdam, Netherlands - 5-6 October 2022
The 42nd AIVC Conference "Ventilation Challenges in a Changing World", was held in Rotterdam, Netherlands on 5-6 October 2022. Contains 99 papers and/or summaries.
Volume content
Inspection of ventilation systems – summary of existing protocols and technical survey | 2022 | English | 15 pp
Impact of ventilation non conformities: calculation methodology and on-site examples | 2022 | English | 12 pp
Energy efficient buildings are getting more and more airtight to avoid thermal losses through uncontrolled air leakage and rely more and more on mechanical ventilation to ensure a good indoor air quality.
Improving Design, Commissioning, Operation and Maintenance in New Residential Ventilation Systems | 2022 | English | 15 pp
Single-family and low-rise multifamily homes in the United States have become tighter to save energy and enhance comfort. To ensure acceptable indoor air quality (IAQ), mechanical ventilation is also required.
Field experience with ductwork airtightness improvement after installation in Europe | 2022 | English | 10 pp
For years, ventilation and air-conditioning systems have played an increasingly important role in ensuring sufficient air exchange in buildings.
Calcium Silicate fire protection boards can be used to construct fireproof ductwork for smoke extraction and/or HVAC services. In this paper, the airtightness of the duct system is evaluated.
Ductwork leakage: practical estimation of the impact on the energy overconsumption and IAQ | 2022 | English | 14 pp
In a context of energy savings, new buildings are becoming more and more airtight. The good indoor air quality (IAQ) relies therefore more and more on mechanical ventilation systems with specific air flowrates to be met.
A novel model based approach of an integrated ventilation and heating model for monitoring and control | 2022 | English | 11 pp
Control of HVAC systems may reduce congestion of the electricity grid on district level by shifting energy demand of buildings and increase the self-consumption of local photovoltaic energy.
Tracing of Sars-CoV-2 aerosols with tracer gases in an occupied classroom with mobile air cleaners | 2022 | English | 13 pp
The placement of mobile air cleaners (MACs) in classrooms was widely discussed between parents, teachers, and authorities in Germany during the peak of Corona infections in 2020 and 2021.
Supply air filtration and fine particle levels in indoor air of occupied dwellings | 2022 | English | 17 pp
Indoor Air quality (IAQ) of dwellings is the result of several sources and processes, and the impact of ventilation system is the one amongst many others.
Real-life ventilation filter performance: final results of an in-depth study | 2022 | English | 10 pp
Within the ventilation principle of buildings, the outdoor air is considered as a source of fresh, "clean" air. However, as we all know, this is not always the case.
Outdoor air is usually considered as a source of clean air in building ventilation principles. Although outdoor air quality has already improved in our cities, this principle may be challenged. Particulate matter remains especially problematic.
Evaluation of thermal resilience to overheating for an educational building in future heatwave scenarios | 2022 | English | 10 pp
Airtight and highly insulated buildings are subjected to overheating risks, even in moderate climates, due to unforeseeable events like frequent heatwaves and power outages.
Evaluating the present day ambient warming resilience of passively cooled dwellings in Ireland: A data-driven approach | 2022 | English | 11 pp
The use of the word “resilience” has increased significantly since 2010, however, there is a lack of understanding around 1) how thermal resilience is defined (where some definitions were offered only recently) and 2) what distinguishes it from ty
Urban microclimate impact on ventilation and thermal performance of multi-family residential buildings: two case studies in different climates and urban settings | 2022 | English | 10 pp
Urban settings change the microclimate around buildings and resulting thermal comfort inside. This paper presents a method to consider microclimatic conditions, especially the effect of wind variations around the building, which impacts natural v
Current HVAC control systems assume occupant-related information, i.e., preferences, occupancy and behaviour. Furthermore, occupants often have limited control over the indoor environment in non-residential buildings.
General economic indicator for performance assessment of smart ventilation systems | 2022 | English | 4 pp
In the frame of the project Flux50 smart ventilation, researchers and industrials aim at qualifying ventilation in mid-sized buildings through multidisciplinary consideration of sleep quality, user satisfaction, acoustic comfort, installation, mai
“Towards Smart Ventilation” in Mid-sized buildings: Project content, objectives and structure, organization and work plan | 2022 | English | 2 pp
A smart ventilation system is able to continually adjust itself to provide the desired indoor air quality (IAQ) while minimizing energy use, utility bills, thermal discomfort and noise. A smart ventilation system is also responsive to e.g.
The serious social and health crisis faced as a result of the spread of SARS-Cov 2 has highlighted the weaknesses of human beings but has mainly highlighted the inadequate static response of existing buildings; all those confined spaces characteri
Airborne transmission has been widely proven to be the main means of contagion of SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus 2) , as multiple studies have established (Greenhalgh et al., 2021; Miller et al., 2021; Lidia Morawska &am
This paper touches on historic indicators of good hospital design such as sun, daylight and natural ventilation.