LoginReviews the state of the art in the measurement of ventilation and air infiltration. Considers tracer gas techniques and discusses some of the tracer gases used as well as some of the potential sources of error.
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.
Access to the publications is free of charge.
Four two-storey four-bedroom test houses were built in 1974 near Columbus, Ohio and have been instrumented and monitored by Ohio State University. All four houses are unoccupied.
Discusses the tracer dilution method for measuring air change rates. The technique entails introducing small amounts of tracer gas into a building and measuring the rate of change in tracer concentration.
Notes that altering interior moisture content of a building can influence both energy use and other performance characteristics.
The indoor air quality of five detached dwellings, two townhouses, six apartment units, two mobile homes, one school and one hospital have been monitored. The pollutants monitored were CO, NO, NO2, SO2, O3, CH4, CO2 and total hydrocarbons.
With increased concern for energy conservation, many new standards have been developed. Discusses these standards which are of three types, prescriptive, component performance and performance.
Problems and consequences of the pressurization test for the air leakage of houses. | 1980 | English
Briefly describes method for pressure testing a house. Discusses problems and limitations of method. Discusses results of 130 (de)pressurization tests carried out in dwellings in the Netherlands.
After a general preliminary discussion of the meaning of "heat recovery" and possible systems for carrying it out, the author examines the possible different ways of transferring thermal energy from one fluid to another by means of an indirect hea
Indoor concentrations of pollutants often equal or exceed outdoor concentrations, and since most people spend 90% of their time indoors this constitutes a health threat much greater than that posed by outdoor pollution, which has received most of
Defines the method to be used for the air permeability testing of windows to be fitted in exterior walls and supplied in the form of completely assembled and finished units. Describes apparatus, test method and expression of results.
Measurements of vapours and gases from organic solvents (GC-MS) of formaldehyde and of odour were performed inside and outside an uninhabited experimental house with and without operating the ventilating system.< The indoor air quality is evalu
In order to reduce heating energy consumption, single glazed windows are commonly replaced by double glazing and joints tightened in Danish dwellings. Reports investigation of the influence of such tightening of dwellings on the indoor climate.
Air quality inside buildings depends on the contamination of outside air as well as on the air pollution inside the room. The human being contaminates the air through carbon dioxide, odours, vapours and particulates.
Reviews the ventilation requirements for residential buildings and the recently discovered contaminants of indoor air which will have an influence on the required ventilation rates.
Discusses sources of radon in buildings and the prediction of levels of radon and daughters. Derives differential equations governing the decay and venting of radon and its daughters.
The local ventilation efficiency of a mechanical ventilation system may in general terms be defined as "providing air in those parts of a room where it is required".
Reports measurements of air infiltration and air leakage of an unpartitioned mobile home, made in an environmental chamber. Infiltration was measured using sulphur hexafluoride as a tracer gas.
Comments on the aesthetic aspects of window renovation and replacement and describes common forms of deterioration giving detailed suggestions for repair and for the improvement of air tightness and sound insulation.
Reports survey of indoor climate problems in dwellings. Questionnaires were distributed to 424 families who had complained of indoor climate problems and 240 replies were received.
Describes an energy audit procedure developed for determining economically optimal retrofits for a residential building.