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Amplifier Design for Proportional Ionization Chambers

Description: This paper presents the requirements of a nuclear amplifier of short resolving time, designed to accept pulses of widely varying amplitudes. Data are given which show that a proportional ionization chamber loaded with a 1,000-ohm resistor develops pulses of 0.5 microsecond duration and several volts amplitude. Results indicate that seven basic requirements are imposed on the amplifier when counting soft beta and gamma radiation in the presence of alpha particles, without absorbers. It should, (… more
Date: August 24, 1950
Creator: Baker, W. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Interpretation of boundary-layer pressure-rake data in flow with a detached shock

Description: From Summary: "A procedure is presented for determining boundary-layer quantities from pressure-rake data, which include the combined effects of viscous and shock losses. The problem is analyzed using schileren photographs of the shock configuration, the continuity of mass relationship, and the characteristics of the turbulent boundary layer that its outer edge is defined by a rapid change in slope in the Mach-number profiles in the vicinity of the edge."
Date: August 24, 1950
Creator: Luidens, Roger W. & Madden, Robert T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Effect of Retractable Ignition Plug on Plug Fouling by Carbon Deposits

Description: Memorandum presenting an investigation conducted using a single combustor from a 4600-pound-thrust turbojet engine to determine if ignition-plug fouling by carbon deposits could be prevented by retracting the plug from the combustion zone during operation after ignition had taken place. The fuels used were normally conducive to forming carbon. The results indicated that retracting the ignition plug from the combustion zone after ignition prevented plug fouling by carbon.
Date: August 24, 1950
Creator: Wear, Jerrold D. & Locke, Theodore E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Photoproduction of Mesons from Hydrogen

Description: In an effort to gain information on the nature of the photon-meson and photon-nucleon interaction, a study of the artificial production of mesons by photons has been made at the Berkeley synchrotron. The major effort of this research was concentrated on a measurement of the energy and angular distribution of u+-mesons produced when the photons strike a target of liquid hydrogen. Detection of the mesons is accomplished electronically by the technique of delayed coincidence.
Date: August 24, 1950
Creator: Bishop, Amasa Stone
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Damping in Roll of Rectangular Wings of Several Aspect Ratios and Naca 65a-Series Airfoil Sections of Several Thickness Ratios at Transonic and Supersonic Speeds as Determined With Rocket-Powered Models

Description: Report presenting rocket-powered flight tests to determine the damping in roll of rectangular wings of various aspect ratios and thickness ratios using NACA airfoil sections. The experimental damping in roll was consistently lower than what was predicted theoretically.
Date: August 24, 1950
Creator: Edmondson, James L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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