From: Effects of Fan Speed on Rotating Stall Inception and Recovery Date of download: 10/7/2017 Copyright © ASME. All rights reserved. From: Effects of Fan Speed on Rotating Stall Inception and Recovery J. Turbomach. 2011;133(4):041013-041013-8. doi:10.1115/1.4003243 Figure Legend: Static pressure distribution at 40% chord upstream of the fan in the rotating frame at stall inception: (a) 70% fan speed (2 rev, 4 rev, 5.5 rev, and 6.5 rev), (b) 80% fan speed (2 rev, 3 rev, 4 rev, and 5 rev), and (c) 90% fan speed (2 rev, 4 rev, 5 rev, and 6 rev)