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A One Year Study of Radioactivity in Columbia River Fish
This report follows studies of the accumulation of beta omitting radioactive elements in Columbia River fish.
Date:
October 25, 1948
Creator:
Herde, K. E.
System:
The UNT Digital Library
Free-Flight Investigation at Transonic and Supersonic Speeds of the Rolling Effectiveness of a 42.7 Degree Sweptback Wing Having Partial-Span Ailerons
An investigation of the rolling effectiveness at transonic and supersonic speeds of partial-span ailerons on a 42.7 degree sweptback wing having symmetrical circular-arc airfoil sections of 10-percent thickness ratio normal to the wing quarter-chord line has been made by means of rocket-propelled test vehicles. The results are compared with results of a supersonic wind-tunnel test at Mach number 1.9.
Date:
October 25, 1948
Creator:
Sandahl, Carl A.
System:
The UNT Digital Library
NACA Transonic Wing-Tunnel Test Sections
Memorandum presenting an approximate subsonic theory developed for the solid blockage interference in circular wind tunnels with walls slotted in the direction of flow. The theory indicated the possibility of obtaining zero blockage interference. Tests in a circular slotted tunnel based on the theory confirmed the theoretical predictions.
Date:
October 25, 1948
Creator:
Wright, Ray H. & Ward, Vernon G.
System:
The UNT Digital Library