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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In laboratory experiments, we investigated the ability of two task/ambient conditioningsystems with air supplied from desk-mounted air outlets to efficiently ventilate the breathingzone of heated manikins seated at desks.
Faulkner D, Fisk W J, Sullivan D P, Wyon D P
The paper presents results from the numerical modelling of the flow field in an existing ventilated office room.
Stankov P, Denev J, Stamov S
The effectiveness of ventilation related to the two primary tasks of ventilation, (I) the supply of fresh air, and (ii) removal of contaminants, is investigated.
Roos A
In the beginning of 1998 the European project, AIRLESS, was started to develop strategies,principles and protocols to improve and control the petiormance of HVAC-systems and itscomponents for the incorporation in codes and guidelines.
Muller B, Fitzner K, Kuchen V
The necessity to provide and maintain high cleanness of air in the rooms of the highestcleanliness classes requires a proper adaptation of selection and designing methods for airfilters.
Charkowski A
The influence of natural convection on the thermal properties of insulating porous medium with air cavity is studied.
Shankar V, Hagentoft C E
It is the objective of the present paper to investigate indoor environmental characteristics ofan office building with an underfloor air conditioning system.
Han H, Chung K S, Jang K J
In order to evaluate the impact on indoor air quality of different installation and ventilation strategies, the modelling of indoor air pollutant transfer has been developed in the CLIM2000 software (thermal and airflow code).
Parey S
The pattern of airflow influences the propagation of airborne pollutants, the thermalenvironment and general comfort conditions.
Cheong K W D, Sekhar S C, Tham K W, Djunaedy E
This article briefly describes a research program undertaken by the National Institutes of Health Office of Research Services to investigate ventilation performance of different laboratory configurations, and their affect on the hood.
Memarzadeh F
Air flow patterns in rooms can roughly be classified as one of three types: Displacement flow, source flow and mixed flow. Displacement flow in its original meaning is only used in special applications like clean rooms.
Fitzner K, Zeidler O, Kriegel K
The Paper deals with numerical computations, carried out, in order to predict the effects of natural convection on the thermal performance of porous material.
Shankar V, Hagentoft C E
The objective of this research is to investigate thermal comfort and air flow distribution insidea test room which is naturally ventilated. The test room is ventilated through adjustablelouvers.
Kalogirou S A, Eftekhari M M, Pinnock D J
The main objective of this study was to determine the ventilation demand for a gymnasium inthe primary school based on verified metabolic rate.Norwegian guidelines recommend 6.0met as the activity level to be used when calculating the outdoor air
Eian P K, Borresen B A, Oie L, Sorensen B R
Split-system air conditioning is increasingly usedapplications, owing to its low cost and installationboth for residential and commercialease.
De Carli M, Peron F, Zecchin R
Surveys on repressurization-induced backdrafting and spillage were conducted in threedifferent areas of the United States using a common protocol, primarily to assess thecorrespondence between short-term tests and one week of continuous monitoring
Grimsrud D T, Hadlich D E, Koontz M D, Hemphill R J, Leslie N P, Li Z, Nagda N L
The objectives of thisinvestigation were to examine the dynamic water vapour sorption offurnishing materials and to compare the experimental results withpredictions obtained from the Moisture Admittance Model.
Plathner P, Littler J, Stephen R
This study is to investigate the characteristics of indoor air temperature distributions and airflow patterns with three air diffusing systems in heating period and to find the methods which can predict those indoor environmental conditions effect
Sohn J Y, Ahn B W, Park J S, Lee W R
There are often tradeoffs among improving IAQ (Indoor Air Quality), maintaining thethermal comfort, and reducing energy consumption for HVAC (Heating, Ventilating, and Air-Conditioning) systems.
Takemasa T, Moser A
The air quality in a subway-train was studied to suggest optimal design criteria and operationconditions based on the ventilation demand by passengers. The C02 emitted from thepassengers was the tracer for this study.
Bong C, Kim S, Lee J, Lee H