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TY - CONF AU - Suthar, K.J. AU - Den Hartog, P.K. ED - Casas, Joan ED - Schaa, Volker RW ED - Costa, Isidre ED - López, David ED - Prieto, Montserrat TI - Finite Element Analysis of a Photon Absorber Based on Volumetric Absorption of the Photon Beam J2 - Proc. of MEDSI2016, Barcelona, Spain, 11-16 September 2016 CY - Barcelona, Spain T2 - Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation Conference T3 - 9 LA - english AB - Designing photon absorbers for next generation multibend achromat storage rings can be challenging considering the high power densities and limited space that will typically be present. The potential for problematically high material temperatures and thermal gradients can be expected to be greater than that for previous generation machines on account of the shorter source-to-receiving surface distances. Conventionally, photon absorbers are made from copper which is highly opaque to x-rays. A consequence of this is that the majority of the heat is absorbed within a very short distance of the surface. Utilizing materials that allow a more volumetric absorption of the radiation can improve the efficiency of heat removal as it can keep surface temperatures and thermal gradients lower than would otherwise be possible. This paper discusses multiphysics analysis of a crotch absorber for the APS Upgrade project (APS-U) via full-coupling of heat-transfer and structural mechanics. The simulation results are discussed in detail. PB - JACoW Publishing CP - Geneva, Switzerland SP - 169 EP - 172 KW - ion KW - photon KW - radiation KW - simulation KW - synchrotron-radiation DA - 2017/06 PY - 2017 SN - 978-3-95450-188-5 DO - doi:10.18429/JACoW-MEDSI2016-TUPE08 UR - http://jacow.org/medsi2016/papers/tupe08.pdf ER -