Wall Pressure and Blade Surface Pressure in a Side Channel Blower

Figure 5

Positions of the pressure sensors (membrane position denoted by a black thick framed circle) in both impeller arrangements. Section B-B: view on suction side of the blade (SS); Section A-A: view on pressure side of the blade (PS). Sensor name in bold: example: impeller arrangement 1 (a) suction side of blade (left figure); Position 2 (sensor in the upper left corner of the blade): IA1-SS-2.

(a) Impeller arrangement 1 (IA1)

(b) Impeller arrangement 2 (IA2)