LoginDescribes a system which measures the rate of air infiltration in buildings using sulphur hexafluoride as a tracer gas. Discusses two methods for evaluating the infiltration rate,the decay method and the constant concentration method.
Bibliographic database Airbase
AIRBASE is the Bibliographic Database of the AIVC. It contains publications and abstracts of articles related to energy efficient ventilation. Where possible, sufficient detail is supplied in the bibliographic details for users to trace and order the material via their own libraries. Topics include: ventilation strategies, design and retrofit methods, calculation techniques, standards and regulations, measurement methods, indoor air quality and energy implications etc. Entries are based on articles and reports published in journals, internal publications and research reports, produced both by university departments and by building research institutions throughout the world. AIRBASE has grown and evolved over many years (1979 to present day, over 22000 references and 16000 documents available online). For most of the references, the full document is also available online.
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Reports the investigation of the natural ventilation of three test houses. Describes the houses which were of standard design. Natural ventilation rates were measured using sulphur hexafluoride as a tracer gas.
States that much of the heat loss in American houses can be traced to generic faulty details in design and construction. Discusses style of housebuilding in the United States. Notes vast majority of American houses were built of wood.
Outlines a number of experimental approaches for determining the energy consumption of a building, with emphasis on air infiltration.
Describes a general model for air infiltration which will accomodate wind pressures, stack effect and ventilation openings provided the vents are either all above or all below their respective neutral pressure levels.
Calculations of water vapour flow through walls and ceilings are frequently based on the permeability of building materials and implicitly assume that most of the vapour transport takes place by diffusion.
The two-storey house at Aylesbury, England, built by the Building Research Establishment for the full-scale measurement of wind pressures has been modelled at 1:500 scale in a boundary layer wind tunnel to verify the reliability of simulation forl
Reports a project to assess the value of weatherstripping windows and doors in a 30-year old home. Describes house and retrofitting technique using stainless steel weatherstrips.
Reports findings of a working group on health aspects related to indoor air quality. Identifies main air pollutants generated both outdoors and indoors. Considers adverse health effects of indoor pollutants.
Reviews hazards from excess carbon dioxide and carbon monoxide in poorly ventilated spaces. Discusses ventilation rates needed to keep concentrations below safe levels.
Radon is a radioactive gas which diffuses naturally from all mineral based building materials.
Gives standard test method for air leakage of joints between components used in the exterior walls of buildings. Outlines basic apparatus and test method.
Reports experimental investigation of moisture content of bathroom air during and after a shower. Describes test apparatus and procedure.
Outlines the problem of assessing the rate of heat loss from dwellings due to ventilation. Discusses the mechanisms and pathways of ventilation and ways of controlling air infiltration. Reviews methods of measuring ventilation using tracer gases.
Reports tests made to examine moisture problems in a flat roof of cold deck construction. Tests simulated the effect of normal, wet and very wet conditions below the roof with no ventilation of the roof.
In 1978 the Swedish parliament adopted a ten-year "energy saving plan for existing buildings". Outlines energy saving measures which qualify for public support.
Reports measurements of air change rates made on approximately 250 dwellings, occupied by low income households in 14 cities, in all major climatic zones of the United States.
Describes methods of measuring the air tightness of whole buildings. Outlines three tracer gas methods; constant concentration; decreasing concentration and constant emission. Describes pressurisation method.
Describes a probe, developed for sensing static pressure in two-dimensional air flow.