Combination supply return plenum slot diffuser 3 4 slot fixed blade slot with down blow section 2 return slot tbdi 80 adjustable gasket tipped blade plenum slot diffuser.
Supply air diffuser selection.
Diffusers and the cold air puddles at the floor creating a verti.
For lower velocity supply air.
The likely culprit is improper diffuser selection which can with longer throw at the engineer s expense.
Throw data is based on supply air and room air being at isothermal conditions.
Supply air diffuser sizing and location.
An experienced air conditioning diffuser supplier can provide you with a suitable air diffuser to suit your requirements.
Selection throw tested in accordance with ashrae standard 70 2006 method of testing for performance of air outlets and inlets radii of diffusion are given in feet to terminal velocities of 150 fpm minimum 100 fpm middle and 50 fpm maximum.
Air jet dynamics of air diffusers heating and ventilation systems are designed to provide a degree of thermal comfort to the occupants of a building.
Lead to many problems.
150 fpm supply air jet reaches to within 1 4 m 4 5 ft of floor level.