Thermal analysis of Fermilab Mu2e muon beam stop and structural analysis of beamline components
Pohlman, Nicholas A.
M.S. (Master of Science)
Department of Mechanical Engineering
The Mu2e project at Fermilab National Accelerator Laboratory aims to observe the unique conversion of muons to electrons. The success or failure of the experiment to observe this conversion will further the understanding of the standard model of physics. Using the particle accelerator, protons will be accelerated and sent to the Mu2e experiment, which will separate the muons from the beam. The muons will then be observed to determine their momentum and the particle interactions occur. At the end of the Detector Solenoid, the internal components will need to absorb the remaining particles of the experiment using polymer absorbers. Because the internal structure of the beamline is in a vacuum, the heat transfer mechanisms that can disperse the energy generated by the particle absorption is limited to conduction and radiation. To determine the extent that the absorbers will heat up over one year of operation, a transient thermal finite element analysis has been performed on the Muon Beam Stop. The levels of energy absorption were adjusted to determine the thermal limit for the current design. Structural finite element analysis has also been performed to determine the safety factors of the Axial Coupler, which connect and move segments of the beamline. The safety factor of the trunnion of the Instrument Feed Through Bulk Head has also been determined for when it is supporting the Muon Beam Stop. The results of the analysis further refine the design of the beamline components prior to testing, fabrication, and installation.
Narug, Colin, "Thermal analysis of Fermilab Mu2e muon beam stop and structural analysis of beamline components" (2018). Graduate Research Theses & Dissertations. 6429.
Northern Illinois University
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Advisors: Nicholas A. Pohlman.||Committee members: David Hedin; Iman Salehinia; John Shelton.||Includes illustrations.||Includes bibliographical references.