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Texas Libraries, Volume 18, Number 10, December 1956
Monthly journal about library issues in Texas including collection development, programming and activities, managements, and other topics of interest.
Date:
December 1956
Creator:
Texas Library and Historical Commission
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Performance of a blunt-lip side inlet with ramp bleed, bypass, and a long constant-area duct ahead of the engine : Mach number 0.66 and 1.5 to 2.1
Unsteady shock-induced separation of the ramp boundary layer was reduced and stabilized more effectively by external perforations than by external or internal slots. At Mach 2.0 peak total-pressure recovery was increased from 0.802 to 0.89 and stable mass-flow range was increased 185 percent over that for the solid ramp. Peak pressure recovery occurred just before instability. The 7 and one-third-diameter duct ahead of the engine reduced large total-pressure distortions but was not as successful for small distortions as obtained with throat bleed. By removing boundary-layer air the bypass nearly recovered the total-pressure loss due to the long duct.
Date:
December 28, 1956
Creator:
Allen, John L.
Object Type:
Report
System:
The UNT Digital Library
Trafficability of Soils: A Summary of Trafficability Studies Through 1955
Summary of trafficability studies conducted by the Waterways Experiment Station. It includes information about phase I tests related to "Soil Classification and Trafficability Data" as a sub-project of "Trafficability of Soils as Related to the Mobility of Military Vehicles" (published 1947-1955). It also includes initial results of phase II, "Soils Trafficability Predictions."
Date:
December 1956
Creator:
Waterways Experiment Station (U.S.)
Object Type:
Report
System:
The UNT Digital Library