F. Borgnolutti June 10 th, 2013 Layer jump: Only hard way bent design

Conductor Properties – version 1 11/15/2012F. Borgnolutti Reacted bare conductor UnitOLD (Frascati)New Width mm Thickness inmm Thickness outmm Mid-thicknessmm Keystone angledeg Insulation thickness0.150mm 2 Un-reacted bare conductor UnitOLD (Frascati)New Widthmm Mid-thicknessmm1.525 Keystone angledeg Thickness inmm1.438 Thickness outmm % growth in width 4.5 % growth in thickness

Only hard-way bend ramp 11/15/2012F. Borgnolutti3  Matlab model of the coil to see if there are solutions that gives good field quality with the constraint of a layer jump with hard way bend only:

Only hard-way bend ramp 11/15/2012F. Borgnolutti4 teta alpha

Only hard-way bend ramp 11/15/2012F. Borgnolutti5  Matlab model of the coil to see if there are solutions that gives good field quality with the constraint of a layer jump with hard way bend only:

Only hard-way bend ramp 11/15/2012F. Borgnolutti6  Matlab model of the coil to see if there are solutions that gives good field quality with the constraint of a layer jump with hard way bend only: b6 b10 b14

Conductor Properties 11/15/2012F. Borgnolutti PIT/RRP (Paolo’s parametrization) 45% copper  : 2450 A/mm 12 T, 4.2K  632 A 1400 A/mm 15 T, 4.2 K  361 A  5% degradation  Self field correction (Peak field taken at r= 0.85×r wire ) T/kA (r=0.85*rwire) 7 Strand RRP (Arno’s parametrization)  47% copper 2650 A/mm 12 T, 4.2K  706 A 1400 A/mm 15 T, 4.2 K  373 A  5% degradation  Self field correction: (straight wire, Peak field taken at r= 0.89×r wire ) T/kA (r=0.89*rwire) T/kA (r=0.85*rwire) Specification critical current Degradation and self field correction

Conductor Properties 11/15/2012F. Borgnolutti8 Arno’s parametrization available on plone: