The 10th AIVC Conference - Progress and trends in air infiltration and ventilation research, was held in Espoo, Finland, 25-28 September 1989.

Contains 52 papers.

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It is particularly important to be aware of the air flow pattern in a building when determining indoor air quality problems or calculating space conditioning loads for energy consumption.
Feustel H E
The AIVC nowadays is an established Centre on infiltration and ventilation research. It is well known throughout the world. This position has not been reached easily. But years of hard working and critical managing of the Centre were a necessity.
De Gids W F
The COMIS workshop (Conjunction of Multizone Infiltration Specialists), using a multi-national team, is planning to develop a reliable, smooth running multizone infiltration model on a modular base.
Feustel H E, Grosso M, Phaff J C, Allard F, Herrlin M, Utsumi Y, Dorer V B, Liu Mingsheng, Yoshino H
The distribution of wind pressure on a building envelope is governed by the size and shape of the structure and the turbulence characteristics of the wind.
Gusten J
The air change rate in existing, older blocks of flats having natural ventilation has been measured by the tracer gas method. Measurements were made in the buildings in as-found condition.
Olsson-Jonsson A
The air flow within a room, the interchange of air between rooms and the interchange of air between a building and the exterior are topics which until today have received little attention by researchers.
Hartmann P J, Widder F
This paper describes a set of experiments conducted in a three bedroom house in order to identify the leakage distribution of the building and the air flow rate through the on-purpose designed opening of the interior doors.
Fleury B, Gadilhe A
Whole-building pressurisation tests can quantify the air-leakiness of a building's external envelope. The resulting information can be used in assessing the quality of the building fabric.
Perera M D A E S, Tull R G
VAV - air conditioning system makes it possible to control indoor conditions even when the heat loads are changing. But this is possible only when each part of the system works as it is intended to work.
Rantanen P A
Tracer gas techniques have become widely used to measure the ventilation rates in buildings.
Sherman M
The IEA Annex 18 Demand Controlled Ventilating Systems-(DCV-Systems) with 9 participants are just in the middle of the work.
Mansson L G
What does the designer of a future energy-efficient building ask of the air flow specialist? - Static predictions of air flow patterns and optimization of thermal comfort and indoor air quality at design conditions will not be enough for him.
Moser A
Annex 14 -Condensation and Energy- started in April 1987, with a take of meeting in Utrecht, The Netherlands. The annex itself was born after a moisture-workshop in September 1985 at the Laboratory of Building Physics, KULeuven, Belgium.
Hens H