The 20th AIVC and Indoor Air 99 Conference, Ventilation and indoor air quality in buildings, was held in Edinburgh , Scotland, 9-13 August 1999.

Contains 141 papers

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The need to separate impurities from air or other gases has increased as regards both the degree of separation and the necessity to separate finer particles.
Gustavsson J
Measurements of ventilation rates and indoor climate parameters were carried out in fiveEstonian residential buildings.
Ekberg L E, Kraenzmer M, Nommeots P
Models are presented for describing the performance of room air cleaners in removing pollutants from indoor air, particularly the levels of removal that can be achieved in practice.
Brown S K
Snow has already been used effectively as a cold energy resource in some heavy snowfall areasin Japan.
Iijima K, Kobiyama M, Hanaoka Y, Kawamura M, Toda H
In order to explain the effect of heat recovery on a passive ventilation system using stack effect, and to show the factors and conditions that the heat-recovery system can be installed in a passive ventilation system, the following investigations
Sasaki T, Hayashi M, Enai M, Hirokawa Y
The goal of this study was to investigate the effectiveness of stand-alone modular airpurification systems in improving air quality in dental practices and certain hospital andlaboratory environments.
Erdinger L, Rezvani P, Hammes F, Sonntag H-G
A test rig for long-term tests of activated carbon filters was developed consisting of eight parallel test-filter sections. The test-rig was installed on the roof of a six storey commercial building located in the centre of Goteborg, Sweden.
Ekberg L E, Strindehag O
In recent years, increasing importance has been placed on energy efficiency in residentialbuildings. This has resulted in tighter buildings, which raises concerns about the amount ofventilation required to provide acceptable indoor air quality.
Kesselring J P
The performance of a hybrid air-conditioning system which utilises wind-induced cross ventilation is investigated.
Kato S, Murakami S, Chang H, Chikamoto T, Kim T
As part of an ongoing investigation on service life of air filtration material, a new type of airfiltration material (multi-layered polymer) was compared with a widely used material todetermine growth or survival of micro-organisms after normal du
Kemp P C, Carlsson T, Nickelmann A, Neumeister-Kemp H-G
This paper deals with the internal environment of traditional excavated dwellings in Santoriniand the effect the conditions of the surrounding volcanic rock have on it.
Tsikouris K, Young A N
Avariety of gaseous pollutants in indoor air now are becoming an object to control.
Sakamoto K, Fukumuro T, Ishitani O, Kohno H
Forced air furnaces are a common Canadian heating system. Traditionally, filters placed in thecirculating air ductwork were designed to protect the furnace and fans.
Bowser D, Fugler D, Salares V
The Building Components Technology Department of ICITE, the Central Institute forIndustrialization and Technology in Building of the Italian National Research Council hasstarted an experimental research on natural controlled ventilation devices.To
Cavanna G, Daniotti B, Oliveri E, Varone G
As a result of the recent resurgence in tuberculosis incidence, there has been increased interestin using ultraviolet germicidal irradiation (UVGI) of room air to reduce exposures toinfectious agents.
Xu P, Miller S L
Formaldehyde (FA) adsorption, including that in the presence of water vapours, has been evaluated on adsorbents of various nature and porous structure.
Chirkova J, Andersons B, Druz N, Andersone I
A currently unresolved problem in building design in the paradox between increasing demand for good thermal insulation, and the requirement for ample levels of ventilation, to maintain a healthy indoor environment.
Southall R G, McEvoy M, Littler J
As a result of the recent resurgence in tuberculosis (TB), there has been renewed interest inengineering controls to reduce the spread of TB and other airborne infectious diseases in highrisk settings.
Miller S L, Xu P, Peccia J, Fabian P, Hernandez M
It is recommended to keep the ventilation filters dry. However there are manyventilating systems that cannot fulfil this requirement all the time.
Frydenlung F, Haugen E, Kristiansen O, Lysne H N, Ahlen C, Hanssen S O
This paper describes a numerical method for the determination of the effective depth of fresh air distribution in rooms with single-sided natural ventilation. The numerical method involves predicting air flow and the local mean age of air.
Gan G