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Fuel Coolant Thermal Interaction Project. Quarterly progress report No. 1, July 1, 1975--September 30, 1975. [LMFBR]

Description: The objective of the work reported is to experimentally and analytically study the dominant mechanism in fuel--coolant thermal interactions which could lead to vapor explosions. The exploration of mechanisms is focused in two areas: (a) mechanisms responsible for fragmentation in molten metal droplet experiments (including assessment of the validity of the proposed spontaneous nucleation mechanism), and (b) thermal stress initiated fracture as a fragmentation mechanism. Work being performed in … more
Date: November 19, 1975
Creator: Todreas, N. E.
Partner: UNT Libraries Government Documents Department
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High-density metals and metallic composites for improved fragmentation submunitions

Description: The fragmentation of cases (50.8-mm-id) made of tungsten, a tungsten alloy, and depleted uranium (D-38) can be controlled, and velocities greater than 1 mm/$mu$s can be achieved for lethal size fragment weights. Fragmentation was controlled by internal grooves, by internal screens, and by a spheroid-in-weak- matrix scheme. A thin polymer liner was used inside of a grooved tungsten case in one experiment; this system performed exceptionally well. The ease of fabricating cases with D-38 or with t… more
Date: August 1975
Creator: Craig, B. G.; Honnell, R. E.; Lederman, G. F., Jr. & Sandstrom, D. J.
Partner: UNT Libraries Government Documents Department
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Study of nuclear fragment emission in proton heavy nucleus collision from 10 to 500 GeV/c

Description: We propose to measure the double differential cross section of nuclear fragments (2 less than or equal to Z less than or equal to 16), for a given incident momentum, produced by proton heavy nucleus (20 less than or equal to Z less than or equal to 80) collisions in the 10 to 500 GeV/c momentum range. Recent experimental results and theoretical speculations suggest collective nuclear motion is initiated by the passage of a fast proton through a heavy nucleus. The novel feature of this experimen… more
Date: September 16, 1975
Partner: UNT Libraries Government Documents Department
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Isotope production cross-sections from the fragmentation of 16O and 12C at relativistic energies

Description: The 0-degree fragmentation products of {sup 16}O and {sup 12}C at 2.1-GeV/n and {sup 12}C at 1.05-GeV/n have been measured for targets ranging from H to Pb. They present a total of 464 partial-production cross sections for 35 isotopes. The cross sections are energy independent and can be factored into beam-fragment and target terms. The target factor, {gamma}{sub T} = A{sub T}{sup 1/4}, and other evidence, imply the isotopes are produced in peripheral interactions.
Date: February 1, 1975
Creator: Lindstrom, P. J.; Greiner, D. E.; Heckman, H. H.; Cork, Bruce & Bieser, F. S.
Partner: UNT Libraries Government Documents Department
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