The R-values of permeable insulation systems are generally determined in test apparatus designed to assure one-dimensional heat transfer and to assure no air intrusion effects. Such classical R-values are used to help describe insitu heat-tra
A table is given which compares the performance, construction and function of the various types of window treatment. Aspects covered include sun control, thermal insulation, infiltration barrier, security and privacy, control by static, movab
Describes methods of predicting concentration levels of indoor air pollution in a variety of residences by using residence air infiltration rates, residence volumes, and source terms, and by making assumptions about occupant lifestyle and poll
The quantity of air in several rooms lying in a stack connected by means of fresh air and exhaust air ducts is considered as a simple model of amultistorey building. Negative pressures set up within the rooms can be equalised by adjusting the
A microprocessor-controlled, five point, all-teflon sequential air sampling system interfaced to a continuous formaldehyde analyser, the CEA model TGM 555 Air Monitor which uses the pararosaniline colorimetric method was used tomeasure the seaso
In Sweden there are two major sources to indoor radon, the building material and radon from uranium rich soils. It is now widely accepted that indoor radon daughter concentration in Sweden, higher than 1000 Bq/m3 is most frequently caused by
Examines the causes of condensation problems and ways of reducing or eliminating them. Deals with diffusion through the building envelope, mechanical dehumidification and ventilation. Considers condensation inside cavities and roof spaces.
The prospective study included two groups, a study group, which had retrofitting of their flats, and a control group not exposed to environmental changes in their homes. The results clearly demonstrated a number of positive effects of the replac
Provides the results of tests into tracer gas concentration decay carried out in 15 Belgian apartments (Concours CHT) in 1982 to determine the rates of air infiltration. The tests formed part of a research programme which included pressurisation
A report from the research and development programme Domestic Ventilation is presented. Describes quantitative and qualitative experimental investigations in two flexible test houses of identical size, structure and thermal insulation to compare various ventilation installations and devices under natural weather conditions. The comparative criteria were air infiltration rates and air change, ventilation heat losses, operational behaviour, possible requirement of auxiliary energy, problems and weak points.
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