The 21st AIVC Conference, Innovations in Ventilation Technology, was held in the Hague, Netherlands, 26-29 September 2000.

Contains 60 papers

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Infiltration has traditionally been assumed to affect the energy load of a building byan amount equal to the product of the infiltration flow rate and the sensible enthalpydifference between inside and outside.
Buchanan C R, Sherman M H
This paper aims to identify major characteristics of hybrid ventilation systems, whereby a clear distinction is made between ventilation for Indoor Air Quality control and ventilation as part of a strategy for control of thermal comfort in summer.
Wouters P, Heijmans N, Delmotte C, Vandaele L
The paper presents results from a wider study into providing displacement ventilationin urban areas by taking air into buildings from the top without the use of fans.Results from large scale experimental work are given.
Gage S A, Ayres P, Axon J
The operation and performance of forced-air ventilation systems with the aid of a dynamic modeling and simulation computer program are presented.
Shah D J
Computational Fluid Dynamics (CFD) has been used to predict the indoor environment airflow and overall ventilation effectiveness of natural or mechanical air distribution systems.
Maghrabi A
Before starting to design an HVAC installation for treatment, supply and exhaust of air to and from a building the needs should be listed, transformed to requirements and their consequences analysed.
Persson M P S
The paper presents a short description of the measurement program and the data collected for the “SynergieHaus”-project initiated by PreussenElektra and partners (now merged to E.ON).
Maas A
The target in this study was to decrease the energy use for transportation of air (fanenergy) with a factor of three.
de Gids W, Phaff H, Knoll B
In natural ventilation systems, fresh air is often provided through opening of windows, andthere is a wide range of possibilities with regard to selection of window type and position inthe facade.
Bjorn E, Jensen J, Larsen J, Nielsen P V, Heiselberg P
Measurements of ventilation rates and internal temperatures have been recorded in a naturallyventilated auditorium with high intermittent heat gains for a wide range of weather conditionsat a UK site.
Clancy E M
This paper presents a recent field measurement study undertaken in 1999 on 73 recent Frenchdwellings.
Guillot K, Litvak A, Kilberger M, Boze D
Ventilation needs in dwellings must be determined on the basis of both requirements to theindoor air quality and necessary control of moisture conditions.
Bergsoe N C
The estimate of actual air change rates considering atmospheric turbulence isintroduced. The starting point is the spectral description of turbulence - Kaimalspectrum was used in order to consider the height above ground.
Marques da Silva F, Saraiva J G
The move towards improving building air-tightness to save energy has increased theincidence of poor indoor air quality and associated problems, such as condensation onwindows, mould, rot and fungus on window frames.
Riffat S B, Gillott M C
In this study, computational fluid dynamics (CFD) and a variety of mixing models is used to evaluate the indoor air quality in a small single-family house.
Huang J, Chen Q
This paper outlines work in progress to develop dissemination material to assist the appropriate application of solar and passive ventilation in urban buildings.
Kolokotroni M, Santamouris M, Dascalaki E, Palmer J, Allard F, Alvarez S,""Blanco A
In France, the regulation on residential building ventilation is based, since 1969, on a generaland continuous air renewal ; the fresh air comes into habitable rooms by air inlets and thestale air is drawn out to exhaust vents in the service rooms
Noel O, Millet J-R, Villenave J G
In this study, we investigated the indoor air quality (IAQ) in classrooms with exhaustventilation systems and in naturally ventilated classrooms. In the latter, we found peak CO2-concentrations of more than 4000 ppm.
Weinlader H, Beck A, Fricke J
This article describes a ventilation system, developed within the framework of aEuropean project supported by the JOULE III programme (NAVAIR project).
Noel O, Le D‚an P, Krikorian O, Haller R
A Ventilated roof component was built and tested in the outdoor testing facilities (Test Cells) of CRES, Greece.
Dimoudi A, Androutsopoulos A, Lykoudis S