Date of Award
Doctor of Philosophy (PhD)
Mechanical & Aerospace Engineering
John M. Kuhlman
P. S. Barna
Robert L. Ash
John H. Heinbockel
Various pressure probes were designed and tested which could be attached to helicopter blades when a helicopter is in flight. The pressure probes consisted of spherical heads which were held in place by cylindrical shanks. Built inside the heads were transducers to measure the pressure differential between pressure ports which were located on the front portion of the spherical head facing the airstream. Data was obtained over a range of airstream velocity of 11,6 to 88.4- m/s (38 to 290 ft/sec), corresponding to Reynolds numbers of 0.24 to 1.84x105 based on the sphere diameter. Both static and dynamic tests were performed.
Liu, Weiyuan H..
"Design, Calibration, and Application of a Sensor for Measuring Time Dependent Angle of Attack of Helicopter Blades"
(1978). Doctor of Philosophy (PhD), Dissertation, Mechanical & Aerospace Engineering, Old Dominion University, DOI: 10.25777/zyr8-1g85