Mu2e Collaboration



Mu2e Document 8992-v1

Mu2e DS Solenoid Helium Relief Simulation - Loss of Vacuum and Quench

Document #:
Mu2e-doc-8992-v1
Document type:
Tech Doc
Submitted by:
Erik A Voirin
Updated by:
Erik A Voirin
Document Created:
07 Mar 2017, 10:00
Contents Revised:
07 Mar 2017, 10:00
DB Info Revised:
09 Mar 2017, 13:50
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  • Public document
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Abstract:
We Perform a Transient Thermal Analysis of the DS Solenoid (Design Pressure = 325 psid) with loss of vacuum and simultaneous magnet quench. We extract the heat load to the helium in the solenoid cooling tubes from this model. We use this heat load in a fluid simulation of the relieving event, which includes the tubing to the two 65 psi relief valves, and their flow resistance and heat load from loss of vacuum. The Fluid Simulation, done in ANSYS CFX, has been verified by running a case from "Thermal Hydraulic Simulation of Helium Expulsion" [Source 4] where results are in agreement. For the DS case, we must perform the CFD simulation instead of using literature values, as literature case is too constrained (It's equation requires constant heat load, rupture disks, one tube size, and 2.5K Initial Temperature, none of which we have).
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