Research Article
Observations on Rotating Instabilities and Spike Type Stall Inception in a High-Speed Multistage Compressor
Figure 3
Static pressure signals (low-pass filtered below BPF) of six probes around the circumference upstream of the rotor 1 LE during stall inception at 80% (a) and 100% (b) shaft speed with an identical scale.
(a) |
(b) |