Standard Air Blade Air Knife

http://nexflowair.com/air_knife_how_they_work.php Compressed air enters the air knife at the rear (or end) ports at (A). Air is entrained at point (B) by the compressed air stream that leaves the air knife from a small gap. The entrained air follows the coanda profile and along the front face (C) that directs the airflow in a perfect straight line at 90 degrees to create a uniform sheet of air along the entire length of the Air Blade TM air knife at it leaves the air knife at point (D). The amplified air stream maximized velocity and force is maximized as a well-defined sheet of laminar flow with minimal wind shear for reduced energy use in blow off and cooling.