LoginVentilation systems play an important role in providing a good indoor air quality in dwellings. Mechanical exhaust ventilation systems implement natural vents, also called trickle vents, to supply outdoor air to the dwelling.
40th AIVC - 8th TightVent - 6th venticool Conference - Ghent, Belgium - 15-16 October 2019
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
Minimising the influence of the stack effect and wind on the operation of mechanical exhaust ventilation systems | 2019 | English | 9 pp
Multi-Objective Optimization of Energy Saving and Thermal Comfort in Thermo Active Building System based on Model Predictive Control | 2019 | English | 8 pp
Japan will have to further reduce CO2 emissions to meet its obligations under the Paris Agreement negotiated at the 2015 United Nations Climate Change Conference.
Health Canada’s cross-Canada residential radon survey report from 2012 demonstrated that roughly 7% of Canadian homes contain radon levels above the Canadian guideline of 200 Bq/m3.
Radon gas is a well-known building´s pollutant which can affect negatively people´s health (WHO, 2009). Radon´s source is the soil underneath buildings.
Energy and Indoor Air Quality Analysis of Mixed Air and Displacement Ventilation Systems | 2019 | English | 8 pp
Indoor pollutants and particles pose a threat to human health as people spend 90% of their time in indoor spaces.
Investigation of The Combined Effect of Indoor Air Stability and Displacement Ventilation on Pollutant Transport in Human Breathing Microenvironment | 2019 | English | 9 pp
The ventilation system removes pollutants effectively, and the resultant vertical temperature difference in the room greatly affects the indoor air distribution.
Indoor environment and adverse health symptoms among children under home damp conditions | 2019 | English | 8 pp
Building dampness and mouldy indoor environments are associated with the increase of approximately 30-50% in variety of respiratory and asthma-related health outcomes through a meta-analysis.
Relationship between indoor allergen and occupants’ allergic symptoms before and after moving in the house with the countermeasure against allergy | 2019 | English | 6 pp
Allergic symptoms are closely related to indoor allergens, such as airborne particulate matter, fungi, and house dust mite.
Learning Performance in Odor Environment with aroma oils: Influence of Odor of Essential Oils on Learning Performance in Classroom | 2019 | English | 10 pp
There is no doubt that odor is also an important factor to evaluate indoor air quality.
A large-scale longitudinal indoor air quality study: is low-cost sensor deployment a viable approach? | 2019 | English | 9 pp
To date, the vast majority of indoor air quality studies have relied on repeated visits to dwellings to obtain data derived from short-term monitoring exercises, a time-consuming process that places considerable constraints on personnel, equipment
An argument for a reality check in the ventilation industry: We still have an energy crisis, in practice, and are not generally, in practice, achieving better indoor climate | 2019 | English | 11 pp
In 2017 the Danish Building and Property Agency started a project titled “Avoiding energy waste in ventilation systems” by tracking the actual energy use in a sample of their 4 million m2 portfolio of buildings through on-line energy management to
Throughout the certification process of air filters, the major technical characteristics are evaluating. Both theoretical models and experimental methods, proves some relationships between the parameters and the performance of product.
Influence of Building Envelope’s Solar Reflectivity, Wind Speed and Building Coverage Ratio on Urban Heat Environment | 2019 | English | 10 pp
In recent years, especially, the climate change (CC) and urban heat island (UHI) effects are becoming serious problems, affecting people’s life and health, especially in hot summer.
The influence of external environment characteristics on the heating and cooling load of super-tall residential building | 2019 | English | 7 pp
Upper floors of super-tall residential buildings have different characteristics of the exterior environment as compared to their low floors or low-rise residential buildings due to the high-rise.
Improvement Method of Thermal Environmental Near Windows During Heating Period -Thermal and Air Flow Characteristics of Two-Dimensional Jet from Breeze Line Diffuser in Free Field | 2019 | English | 12 pp
The perimeter space near windows usually has some problems with the thermal environment which is easily affected by heat transfer and radiation from windows.
Airtightness and energy impact of air infiltration in residential buildings in Spain | 2019 | English | 8 pp
Addressing the airtightness of the building envelope is key to achieve thermal comfort, good performance of ventilation systems and to avoid excessive energy consumption.
Exist’air: airtightness measurement campaign and ventilation evaluation in 117 pre-2005 French dwellings | 2019 | English | 10 pp
Between 2017 and 2018, the Centre for Studies and Expertise on Risks, the Environment, Mobility and Planning (Cerema) organized an airtightness measurement campaign in 117 multi-family collective and single-family French dwellings.
The trend in European countries, such as Belgium, France and Germany is that the quality of the airtightness of the building envelope is getting better and better.
Comparison between infiltration rate predictions using the divide-by-20 rule of thumb and real measurements | 2019 | English | 10 pp
Across different territories there are various normative models for assessing energy demand of domestic dwellings, which use simplified approaches to account for the heat loss due to the air infiltration of a building.
Buildings represent approximately 40% of global energy demand and heat loss induced by uncontrolled air leakage through the building fabric can represent up to one third of the heating load in a building.