Continental efficiency.

An overview of research activity on ventilation in Italy.

A short description of previous and ongoing research in Italy is given in the article.

An energy efficient ventilation method for a kindergarten.

We are presently working on problems associated with kindergartens which, with regard to indoor climate, are quite over populated. Typically, the kindergartens are around 300 m2 inarea and 700-1,000 m3 in volume, with 60-80 children, and withnatural ventilation only. The basic air change rate is 0.2-0.4 ach. As we have shown*, users have a tremendous impact on air infiltration which, in the kindergartens, rises from the basic 0.2-0.4 to 0.7-1.5 ach when the kindergarten is in use.

The design of ventilation for nuclear plants.

The paper begins by developing the concept of CONTAINMENT and describes how the ventilation system of a nuclear plant plays amajor role in the provision of this CONTAINMENT and in ensuring that the plant can be operated safely. It continues to describe the various demands that a nuclear plant places on the ventilation system and describes the types of areas that require ventilation. The paper finally describes how BNFL Engineering Division have designed a new generation of reprocessing plants for Sellafield that have low air throughputs.

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