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The 26th AIVC Conference, Ventilation in relation to the energy performance of buildings, was held in Brussels, Belgium, 21- 23 September 2005.

Contains 52 papers

Volume content
Indoor humidity control with DX A/C systems in subtropical residences

Direct expansion (DX) air conditioning (A/C) systems are most commonly used in residential buildings in hot and humid subtropics. They are normally equipped…

Zheng Li, Wu Chen, Shiming Deng
Rationale for measuring duct leakage flows in large commercial buildings

Industry-wide methods of assessing duct leakage are based on duct pressurization tests, and focus on highpressure ducts. Even though low pressure ducts can…

Wray C.P., Diamond R.C., Sherman M.H.
Improving envelope airtightness : results of a pilot study on 31 houses

This paper presents the results of a field study conducted on 31 houses owned by a French social housing management body. The central objective of our…

Guillot K., Limoges D., Carrié F.R.
Energy and comfort performance of natural ventilation system office buildings in China

This paper presents an analysis of energy and comfort performance of typical office buildings for summer cooling in five climate zones in China using the…

Yao R., Li B., Steemers K.
Heat and non-heat recovery ventilation performance in energy-efficient hud-code manufactured housing

The Zero Energy Manufactured Home Project demonstrates and promotes innovative energy saving technologies to the manufactured housing industry and home…

Lubliner M., gordon A., Hadley A., Parker D.
"Diagvent" guidebook - Checking the performance of ventilation systems

Ventilation in buildings is necessary first for hygienic reasons and also to preserve the building structure. This is more essential, today, because the…

Barles P., Vialle P.J., Lemaire M.C.
Analysis method based on power balance as applied to wind driven flow

Currently, various studies have demonstrated some doubt about the accuracy of the orifice equation when applied to the calculation of cross-ventilation. As…

Hiyama K., Kato S.
Ventilation, IAQ and energy efficiency in hot humid climates

At the conceptual design stage, one needs to pay considerable attention to both the energy as well as indoor air quality (IAQ) requirements. Often,…

Sekhar S.C., Tham K.W, Cheong K.W.
Guidelines to improve efficiency of a double-skin façade in an office building

In these last years, a great deal of interest has been devoted to double-skin façades due to the advantages claimed by this technology (in terms of energy…

Gratia E., De Herde A.
Energy audit certification and rating of school buildings in Greece

The present paper presents the results of the energy and environmental evaluation of ten school buildings in the Greater Athens Area. The research included…

Gaitani N., Santamouris M., Mihalakakou G., Papaglatra M., Assimakopoulos M.N, Sfakianaki K., Pavlou K., Paris D., Dimitrios K.
Ventilation related to user habits. Considerations on Environmental Envelope Rehabilitation

Application of ventilation techniques, as well as the use of any passive environmental solution in a rehabilitation, requires knowledge of the…

Ganem C., Coch H., Esteves A.
Annex 41 - Whole building heat, air and moisture response

Combined heat, air and moisture (HAM) simulation at the envelope level and building simulation havebeen two separate activities for many decades now. In HAM…

Hens H.
Airflow simulations in double façades with a perforated inner sheet

In today’s architecture, innovative concepts, such as double skin facades, for the building skin are developed to improve the energy performance of a…

Bokel R., De Bruin-Hordijk
Refurbishing of the ventilation system in a school

This project aims to demonstrate via a refurbishing operation, how a mechanical ventilation system can both provide a good indoor air quality and limit the…

Vialle P.J., Voeltzel A., Pico C.
Ventilation system qualtiy for dwellings : a pragmatic approach

As a result of the EPB directive, the Flemish government has established a new regulation due as from January 1ste, 2006. This regulation also imposes the…

Wouters P., Van den Bossche P.
IEA Annex 41, Subtask 1 - Modelling principles and common exercices

The paper gives an outline of existing modelling capabilities as well as an overview of current developments in integral modelling of hygrothermal…

Woloszyn M., Peuhkuri R., Mortensen L., Rode C.
Atria for ventilation efficiency improvement in urban office buildings

In this paper the effects of atrium and other similar architectural design features (e.g. shafts) on ventilation efficiency are examined in a multi-storey…

Koinakis C.J.
Review on ventilation rate measuring and modelling techniques in naturally ventilated buildings

Direct and indirect measuring techniques are available for determination of ventilation rate in naturally ventilated buildings. Direct measuring methods…

Ozcan S.E., Vranken E., Berckmans D.
Experiment for synthetic evaluation of moisture buffering effect in a room

There are many research works for the moisture buffering effect of the building materials. However, there are few reports for the moisture buffering of the…

Yoshino H., Mitamura T., Hasegawa K., Matsumoto S., Adachi M.
Nordtest project on moisture buffer value of materials

Building materials and furnishing used in contact with indoor air have some effect to moderate the variations of indoor humidity in occupied buildings. Very…

Rode C., Peuhkuri R., Hansen K.K., Time B., Svennberg K., Arfvidsson J., Ojanen T.
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