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Experimental Investigation of Rotating Stall and Blade Vibration in the Axial-Flow Compressor of a Turbojet Engine
Report presenting a compressor-blade-vibration survey on a production turbojet engine incorporating an axial-flow compressor with a pressure ratio of approximately 7. The investigation was conducted with three different guide-vane assemblies and four jet-nozzle sizes. The correlation of rotating stall and blade vibration were determined using calculations.
Date:
April 26, 1954
Creator:
Huppert, Merle C.; Calvert, Howard F. & Meyer, André J.
System:
The UNT Digital Library
Lateral control characteristics of two structural similar flexible wings with 45 degrees sweep: a sweptback wing and a wing with M plan form
Report presenting a low-speed wind-tunnel investigation to determine the static longitudinal control characteristics of flap-type and retractable spoiler-type ailerons on a rigid sweptback wing, a flexible sweptback wing, and a flexible M-wing. Results regarding the rigid-wing and flexible-wing characteristics for each plan form are also provided.
Date:
April 26, 1954
Creator:
Naeseth, Rodger L.; Croom, Delwin R. & McKee, John W.
System:
The UNT Digital Library
Rocket-powered-model investigation of the hinge-moment and normal-force characteristics of a half-diamond tip control on a 60 degree sweptback diamond wind between Mach numbers of 0.5 and 1.3
Report presenting a free-flight investigation to determine normal-force and hinge-moment characteristics of a half-diamond tip control on a diamond wing with 60 degree sweptback leading edges and 30 sweptforward tailing edges for a range of Mach numbers. Results regarding control hinge moments, control normal force, and total normal force are provided.
Date:
April 26, 1954
Creator:
Church, James D.
System:
The UNT Digital Library