Heating Distributions in the Target of the Spallation Neutron Source

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Detailed calculation of the heat distributions in the structural parts of the target (Hg) and the target itself were made with realistic proton profiles. Preliminary current profiles of the protons coming from the accumulator ring, calculated and parameterized by the Brookhaven National Laboratory (BNL), were used as input to the Monte Carlo code LAHET. Due to limitations of the present version of the LAHET code, the real source was approximated with a nest of elliptical rings (all with the same eccentricity). The BNL's source was then fitted according to this elliptical description considering two constraints: (1) to preserve the areas ... continued below

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7 pages

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Charlton, L.A. & Difilippo, F.C. November 18, 1999.

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Detailed calculation of the heat distributions in the structural parts of the target (Hg) and the target itself were made with realistic proton profiles. Preliminary current profiles of the protons coming from the accumulator ring, calculated and parameterized by the Brookhaven National Laboratory (BNL), were used as input to the Monte Carlo code LAHET. Due to limitations of the present version of the LAHET code, the real source was approximated with a nest of elliptical rings (all with the same eccentricity). The BNL's source was then fitted according to this elliptical description considering two constraints: (1) to preserve the areas of the contours of equal intensity of the real proton current density, and (2) to keep the ellipses with the same shape. In this way the best elliptical shape to describe the source was found. Because of the gaussian nature of the real current distribution, the elliptical fit is also gaussian in the elliptical coordinate.

Physical Description

7 pages

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INIS; OSTI as DE00009118

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  • International Topical meeting on Applications of Accelerator Technology, AccApp'99, Gatlinburg, TN (US), 11/14/1999--11/18/1999

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  • Report No.: ORNL/CP-102789
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 9118
  • Archival Resource Key: ark:/67531/metadc793197

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  • November 18, 1999

Added to The UNT Digital Library

  • Dec. 19, 2015, 7:14 p.m.

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  • Nov. 2, 2017, 3:10 p.m.

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Charlton, L.A. & Difilippo, F.C. Heating Distributions in the Target of the Spallation Neutron Source, article, November 18, 1999; Tennessee. (digital.library.unt.edu/ark:/67531/metadc793197/: accessed December 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.