The 24th AIVC and BETEC Conference, Ventilation, Humidity control and energy, was held in Washington D.C., USA, 12- 14 October 2003.

Contains 56 papers 

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The airtightness of a building envelope impacts upon the magnitude of uncontrolled air leakage and associated ventilation energy losses. A building's airtightness can be assessed using a steady state fan pressurisation technique.
Closs S., Chilengwe N., Sharples S.
The study reviewed each Code/Standard with respect to requirements relating to acommon set of ventilation factors and criteria. The main factors include the following:1.
Hockman J.L.
Passive cooling strategies require strict adherence to the physical world.
Alfini R.J.
The most efficient ventilation system would only operate on demand, when ventilation was "needed".
Raymer P.H.
This is a personal set of comments giving the author's impressions of the papers presented at the conference.
Grimsrud D.
For the building team, the design of library, archives and museum facilities brings with it special responsibilities. Archive and conservation facilities require the highest levels of preservation and maintenance of the building environment.
Kline W., fugate S.
Cavity wall is often proposed in the building envelope design as a solution for improving the thermal comfort of the inhabitants and reducing the adverse condensation effects on the building fabric.
Aelenei L.E., Rodrigues A.M., Aelenei D.
In moderate climates, adventitious ventilation helps in keeping the water vapor balance in a building under control. This does not hold in hot and humid climates, where the outside air is a moisture source.
Hens H., Houvenaghel G.
In recent years, poor indoor climate has caused health problems for building occupants.
Rydholm W.
Infiltration has traditionally been assumed to contribute to the energy load of a building by an amount equal to the product of the infiltration flow rate and the enthalpy difference between inside and outside.
Walker I.S., Sherman M.H.
In Arctic and sub-Arctic climates, such as those in Scandinavia, multiple-glazing windows that consist of at least three panes are widely used.
Pertti Sarkomaa, Petri Kuisma, Kai Ryynänen
This paper deals with the real behavior of a humidity controlled air inlet, regarding to relative humidity and temperature.
Jardinier L., Jardinier M., Savin J.J., Siret F.
Between 200,000 to 300,000 manufactured homes are built to the US Department of Housing and Urban Development’s Manufactured Home Construction and Safety Standards (MHCSS) in the US each year.
Lubliner M., Gordon A., Moyer N., Richins W.,Blakeley J. E.
The peak electrical demand of office building VAV systems will be reduced by about 1.2 Kw/1000 Ft2 by employing an Integrated Systems Demand Control Technology (ISDCT) sequence to reduce peak intake flow by about 56%.Supply, return, and exhaust fa
David P.W., Solberg P.E.
During the last 20 years, the humidity sensitive ventilation system evolved to products increasingly simplified thus standardised.
Jardinier L.
In the 1990's, concern about global warming has resulted in a resurgence of interest in naturally ventilated offices. The Belgian climate is particularly well adapted to apply cooling by natural ventilation.
Gratia E., Bruyère I., De Herde A.
Increasing emphasis on energy-efficiency has many jurisdictions enacting stricter energy codes.
Decareau C.
For energy savings, DCV systems are more and more used in ventilation systems but toestimate their energy savings, variation of occupation in the building (in time and number ofperson) must be estimated.
Bernard A.M., Villenave J.G., Lemaire M.C.
The building envelope is primarily an environmental separator, which allows indoor spaces to bemaintained at different conditions from the outside environment.
Pasqualini P., O’Malley L.
The knowledge of indoor air humidity in the design phase is important to decide on the appropriate moisture control measures to prevent moisture problems in building components.
Janssens A., Hens H.