Mechanical Design and Analysis(Work in Progress)

• Structural components are chosen to better match the thermal contraction of coils

• Initial goal is a fully supported structure in both planes with a minimum strain on the Nb3Sn conductor

• Estimated pre-stress (at the moment) :

Room Temp. Vertical ~50 Mpa (7 kpsi), Horizontal ~30 MPa (4 kpsi) 4K energized Vertical ~10 Mpa (2kpsi), Horizontal ~10 Mpa (2kpsi)

Experimental studies for pre-stress later

• Tests underway to obtain better value of coil modulus

Note : Potting scheme to relax tolerances in parts

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