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Title: Enhancement of heat removal using concave liquid metal targets for high-power accelerators.

Abstract

The need is increasing for development of high-power targets and beam dump areas for the production of intense beams of secondary particles. The severe constraints arising from a megawatt beam deposited on targets and absorbers call for nontrivial procedures to dilute the beam. This study describes the development of targets and absorbers and the advantages of using flowing liquid metal in concave channels first proposed by IFMIF to raise the liquid metal boiling point by increasing the pressure in liquid supported by a centrifugal force. Such flow with a back-wall is subject to Taylor-Couette instability. The instability can play a positive role of increasing the heat transfer from the hottest region in the target/absorber to the back-wall cooled by water. Results of theoretical analysis and numerical modeling of both targets and dump areas for the IFMIF, ILC, and RIA facilities are presented.

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
972600
Report Number(s):
ANL/MCS/CP-59600
TRN: US1001645
DOE Contract Number:  
DE-AC02-06CH11357
Resource Type:
Conference
Resource Relation:
Conference: Particle Accelerator Conference (PAC07); Jun. 25, 2007 - Jun. 29, 2007; Albuquerque, NM
Country of Publication:
United States
Language:
ENGLISH
Subject:
43 PARTICLE ACCELERATORS; ACCELERATORS; BEAM DUMPS; BOILING POINTS; HEAT TRANSFER; INSTABILITY; LIQUID METALS; PRODUCTION; REMOVAL; TARGETS; WATER

Citation Formats

Konkashbaev, I., Fischer, P., Hassanein, A., Mokhov, N. V., Mathematics and Computer Science, and FNAL. Enhancement of heat removal using concave liquid metal targets for high-power accelerators.. United States: N. p., 2007. Web. doi:10.1109/PAC.2007.4440619.
Konkashbaev, I., Fischer, P., Hassanein, A., Mokhov, N. V., Mathematics and Computer Science, & FNAL. Enhancement of heat removal using concave liquid metal targets for high-power accelerators.. United States. doi:10.1109/PAC.2007.4440619.
Konkashbaev, I., Fischer, P., Hassanein, A., Mokhov, N. V., Mathematics and Computer Science, and FNAL. Mon . "Enhancement of heat removal using concave liquid metal targets for high-power accelerators.". United States. doi:10.1109/PAC.2007.4440619.
@article{osti_972600,
title = {Enhancement of heat removal using concave liquid metal targets for high-power accelerators.},
author = {Konkashbaev, I. and Fischer, P. and Hassanein, A. and Mokhov, N. V. and Mathematics and Computer Science and FNAL},
abstractNote = {The need is increasing for development of high-power targets and beam dump areas for the production of intense beams of secondary particles. The severe constraints arising from a megawatt beam deposited on targets and absorbers call for nontrivial procedures to dilute the beam. This study describes the development of targets and absorbers and the advantages of using flowing liquid metal in concave channels first proposed by IFMIF to raise the liquid metal boiling point by increasing the pressure in liquid supported by a centrifugal force. Such flow with a back-wall is subject to Taylor-Couette instability. The instability can play a positive role of increasing the heat transfer from the hottest region in the target/absorber to the back-wall cooled by water. Results of theoretical analysis and numerical modeling of both targets and dump areas for the IFMIF, ILC, and RIA facilities are presented.},
doi = {10.1109/PAC.2007.4440619},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 2007},
month = {Mon Jan 01 00:00:00 EST 2007}
}

Conference:
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