displacement air diffusion, width of the v (m/s) isovel
[EN 12792:2003, 398]:maximum width of the rectangle circumscribing the specified isovel perpendicular to the intended direction of flow and independent of the distance from the floor.
[EN 12792:2003, 398]:maximum width of the rectangle circumscribing the specified isovel perpendicular to the intended direction of flow and independent of the distance from the floor.