IPAC2015 - List of Authors (Folch, R.)

Paper	Title	Page
TUAD2	Comparison between Measured and Computed Temperatures of the Internal High Energy Beam Dump in the CERN SPS	1373
	G.E. Steele, R. Folch, V. Kain, I.V. Leitao, R. Losito, C. Maglioni, F. Pasdeloup, A. Perillo-Marcone, F.M. Velotti CERN, Geneva, Switzerland
	The SPS high energy internal dump (TIDVG) is designed to receive beam dumps from 10².2 to 450 GeV. The absorbing core is composed of 2.5m graphite, followed by 1m of aluminium, then 0.5m of copper and finally 0.3m of tungsten, all of which is surrounded by a water cooled copper jacket. An inspection during Long Shutdown 1 revealed significant beam induced damage to the Al section of the dump block. Temperature sensors were installed to monitor the new dump replacing the damaged one. This paper summarises the correlation between the temperature measured as a function of the energy deposited and the same temperatures computed in a numerical model combining FLUKA and ANSYS simulations. The goal of this study is the assessment of the thermal contact quality between the beam absorbing blocks and the copper jacket, by analysing the cooling times observed from the measurements and from the thermo-mechanical simulations. This paper presents an improved method to estimate the efficiency and long term reliability of the cooling of this type of design, with the view of optimising the performance of future dump versions.
	Slides TUAD2 [5.768 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-TUAD2
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THPF097	Feasibility Study of a New SPS Beam Dump System	3930
	F.M. Velotti, J.L. Abelleira, M.J. Barnes, C. Bracco, E. Carlier, F. Cerutti, K. Cornelis, R. Folch, B. Goddard, V. Kain, M. Meddahi, R.F. Morton, J.A. Osborne, F. Pasdeloup, V. Senaj, G.E. Steele, J.A. Uythoven, H. Vincke CERN, Geneva, Switzerland
	The CERN Super Proton Synchrotron (SPS) presently uses an internal beam dump system with two separate blocks to cleanly dispose of low and high energy beams. In view of the increased beam power and brightness needed for the LHC Injector Upgrade project for High Luminosity LHC (HL-LHC), the performance of this internal beam dump system has been reviewed for future operation. Different possible upgrades of the beam dumping system have been investigated. The initially considered solution for the SPS Beam Dump System is to design a new, dedicated external system, with a dump block in a shielded cavern separated from the machine ring. Unfortunately this solution is not feasible with the present technology. In this paper, the design requirements and the possible solutions are investigated, including considering a new internal beam dump in the Long Straight Section 5 (LSS5).
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-THPF097
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

Comparison between Measured and Computed Temperatures of the Internal High Energy Beam Dump in the CERN SPS

1373

G.E. Steele, R. Folch, V. Kain, I.V. Leitao, R. Losito, C. Maglioni, F. Pasdeloup, A. Perillo-Marcone, F.M. Velotti
CERN, Geneva, Switzerland

The SPS high energy internal dump (TIDVG) is designed to receive beam dumps from 10².2 to 450 GeV. The absorbing core is composed of 2.5m graphite, followed by 1m of aluminium, then 0.5m of copper and finally 0.3m of tungsten, all of which is surrounded by a water cooled copper jacket. An inspection during Long Shutdown 1 revealed significant beam induced damage to the Al section of the dump block. Temperature sensors were installed to monitor the new dump replacing the damaged one. This paper summarises the correlation between the temperature measured as a function of the energy deposited and the same temperatures computed in a numerical model combining FLUKA and ANSYS simulations. The goal of this study is the assessment of the thermal contact quality between the beam absorbing blocks and the copper jacket, by analysing the cooling times observed from the measurements and from the thermo-mechanical simulations. This paper presents an improved method to estimate the efficiency and long term reliability of the cooling of this type of design, with the view of optimising the performance of future dump versions.

Slides TUAD2 [5.768 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-TUAD2

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

THPF097

Feasibility Study of a New SPS Beam Dump System

3930

F.M. Velotti, J.L. Abelleira, M.J. Barnes, C. Bracco, E. Carlier, F. Cerutti, K. Cornelis, R. Folch, B. Goddard, V. Kain, M. Meddahi, R.F. Morton, J.A. Osborne, F. Pasdeloup, V. Senaj, G.E. Steele, J.A. Uythoven, H. Vincke
CERN, Geneva, Switzerland

The CERN Super Proton Synchrotron (SPS) presently uses an internal beam dump system with two separate blocks to cleanly dispose of low and high energy beams. In view of the increased beam power and brightness needed for the LHC Injector Upgrade project for High Luminosity LHC (HL-LHC), the performance of this internal beam dump system has been reviewed for future operation. Different possible upgrades of the beam dumping system have been investigated. The initially considered solution for the SPS Beam Dump System is to design a new, dedicated external system, with a dump block in a shielded cavern separated from the machine ring. Unfortunately this solution is not feasible with the present technology. In this paper, the design requirements and the possible solutions are investigated, including considering a new internal beam dump in the Long Straight Section 5 (LSS5).

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-THPF097

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)