[AIVC, Air infiltration and ventilation glossary, 1992]:airflow with rotary, rather than translatory motion. It occurs in the wakes of buildings etc. and also in the presence of strong updraughts. A standing eddy or stationary vortex may be formed in the …Continue reading →
[EN 14511-1:2022, 3.62]:closed circuit of water maintained within a temperature range on which the units in cooling mode reject heat and the units in heating mode take heat.
[EN 12792:2003, 397]:ability of an externally mounted air transfer device to resist water penetration.NOTE It is observed in the conventional conditions of a standard.