Research Article

Dynamic Characteristics of Air Cycle Machine Rotor System

Figure 16

Sketch map for ACM test rig. (1) Air compressor, (2) gas tank, (3) filter, (4) dryer, (5) pressure gauge, (6) thermometer, (7) flow meter, (8) pressure stabilizing valve, (9) electropneumatic air regulator, (10) safety shut-off valves, (11) computer, (12) radial-thrust hybrid gas bearing, (13) turbine, (14) data acquisition, and (15) eddy current displace sensor.