The design shown in Figure 1.1f was realized in a vacuum to avoid aerodynamical disturbances (mainly air whirls) in the working chamber of the test rig and excessive heating of the rotor at greater speeds.
The design shown in Figure1.1f was realized in a vacuum to avoid aerodynamical disturbances (mainly airwhirls) in the working chamber of the test rig and excessive heating of the rotor atgreater speeds.