Image Currents in Azimuthally Inhomogeneous Metallic Beam Pipes

We consider an ultra-relativistic particle travelling on-axis in an infinitely long cylindrical metallic beam pipe with azimuthally varying conductivity. A semi-analytical solution, obtained by applying approximate boundary conditions, predicts an image current distribution on the pipe walls practic...

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Detalles Bibliográficos
Autores principales: Caspers, Friedhelm, Mostacci, A, Palumbo, L, Ruggiero, F
Lenguaje:eng
Publicado: 2001
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/514408
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author Caspers, Friedhelm
Mostacci, A
Palumbo, L
Ruggiero, F
author_facet Caspers, Friedhelm
Mostacci, A
Palumbo, L
Ruggiero, F
author_sort Caspers, Friedhelm
collection CERN
description We consider an ultra-relativistic particle travelling on-axis in an infinitely long cylindrical metallic beam pipe with azimuthally varying conductivity. A semi-analytical solution, obtained by applying approximate boundary conditions, predicts an image current distribution on the pipe walls practically independent of the azimuth, at least in the frequency range relevant for future machines such as the LHC. We discuss numerical simulations and bench measurements which confirm the theoretical predictions. Implications for the beam-induced ohmic losses in the copper coated, welded LHC beam screen are also addressed.
id cern-514408
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2001
record_format invenio
spelling cern-5144082023-05-31T13:21:12Zhttp://cds.cern.ch/record/514408engCaspers, FriedhelmMostacci, APalumbo, LRuggiero, FImage Currents in Azimuthally Inhomogeneous Metallic Beam PipesAccelerators and Storage RingsWe consider an ultra-relativistic particle travelling on-axis in an infinitely long cylindrical metallic beam pipe with azimuthally varying conductivity. A semi-analytical solution, obtained by applying approximate boundary conditions, predicts an image current distribution on the pipe walls practically independent of the azimuth, at least in the frequency range relevant for future machines such as the LHC. We discuss numerical simulations and bench measurements which confirm the theoretical predictions. Implications for the beam-induced ohmic losses in the copper coated, welded LHC beam screen are also addressed.LHC-Project-Report-493CERN-LHC-Project-Report-493oai:cds.cern.ch:5144082001-08-06
spellingShingle Accelerators and Storage Rings
Caspers, Friedhelm
Mostacci, A
Palumbo, L
Ruggiero, F
Image Currents in Azimuthally Inhomogeneous Metallic Beam Pipes
title Image Currents in Azimuthally Inhomogeneous Metallic Beam Pipes
title_full Image Currents in Azimuthally Inhomogeneous Metallic Beam Pipes
title_fullStr Image Currents in Azimuthally Inhomogeneous Metallic Beam Pipes
title_full_unstemmed Image Currents in Azimuthally Inhomogeneous Metallic Beam Pipes
title_short Image Currents in Azimuthally Inhomogeneous Metallic Beam Pipes
title_sort image currents in azimuthally inhomogeneous metallic beam pipes
topic Accelerators and Storage Rings
url http://cds.cern.ch/record/514408
work_keys_str_mv AT caspersfriedhelm imagecurrentsinazimuthallyinhomogeneousmetallicbeampipes
AT mostaccia imagecurrentsinazimuthallyinhomogeneousmetallicbeampipes
AT palumbol imagecurrentsinazimuthallyinhomogeneousmetallicbeampipes
AT ruggierof imagecurrentsinazimuthallyinhomogeneousmetallicbeampipes

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