Author: Wang, X.
Paper Title Page
WEOBM05 Thermal Calculation and Testing of SLS 2.0 Crotch Absorbers 145
 
  • X. Wang, B.S. Bugmann, R. Ganter, M. Maeher, C. Rosenberg, A. Weber
    PSI, Villigen PSI, Switzerland
  
  The stor­age ring of SLS2.0 based on a multi­bend achro­mat lat­tice will have the max­i­mum elec­tron en­ergy of 2.7 GeV. The syn­chro­tron ra­di­a­tion emit­ted by bend­ing mag­nets, ex­cept for a small por­tion des­ig­nated to beam­lines, will be dis­si­pated by crotch ab­sorbers to pro­tect down­stream vac­uum el­e­ments. SLS2.0 crotch ab­sorbers are de­signed to have two wa­ter-cooled, toothed jaws made of Glid­cop to dis­si­pate a max­i­mum heat power of 6 kW. Fi­nite el­e­ment analy­sis has been con­ducted to val­i­date the ther­mal and me­chan­i­cal strength of the ab­sorbers’ me­chan­i­cal de­sign. A con­ju­gate heat trans­fer (CHT) sim­u­la­tion, uti­liz­ing di­rect cou­pled solid and fluid zones with Com­pu­ta­tional Fluid Dy­nam­ics (CFD) soft­ware ANSYS Flu­ent, was per­formed to ver­ify the water cool­ing con­cept. Fur­ther­more, a pro­to­type ab­sorber un­der­went test­ing in an e-beam weld­ing cham­ber, where the tem­per­a­tures of the ab­sorber and cool­ing water were mea­sured and com­pared against cal­cu­lated val­ues. The test re­sults not only con­firmed the ab­sorber’s abil­ity to dis­si­pate the spec­i­fied heat load but also val­i­dated the ther­mal mod­el­ling meth­ods. This pre­sen­ta­tion will focus on as­pects of nu­mer­i­cal sim­u­la­tion and ther­mal test­ing.  
slides icon Slides WEOBM05 [5.159 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-MEDSI2023-WEOBM05  
About • Received ※ 25 October 2023 — Revised ※ 04 November 2023 — Accepted ※ 08 November 2023 — Issued ※ 12 March 2024
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