HTS Solenoid Punch:HTS Solenoid Punch:Team SupercoolTeam Supercool

The Story So FarThe Story So Far

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The Story So FarThe Story So Far

Used HTS tape to make a punchUsed HTS tape to make a punch

Selected radius of solenoid based on Selected radius of solenoid based on measurementsmeasurements

Designed and built apparatusDesigned and built apparatus

Wrapped HTS tapeWrapped HTS tape

Attempted to Connect LeadsAttempted to Connect Leads

Apparatus DimensionsApparatus Dimensions

3” high with ¾” thick base3” high with ¾” thick base

5” O.D. with ½” thick walls5” O.D. with ½” thick walls

< 1 ¼” Inner diameter to slide PVC over< 1 ¼” Inner diameter to slide PVC over

15/16” Through hole for punch 15/16” Through hole for punch

Critical CurrentCritical Current

2.5" Diameter Loop

0

0.02

0.04

0.06

0.08

0.1

0.12

0.14

0.16

0 20 40 60 80 100 120 140

Current (A)

Vo

ltag

e (m

V)

Apparatus ConstructionApparatus Construction

Apparatus ConstructionApparatus Construction

HTS Tape WrappingHTS Tape Wrapping

For a 2.5” diameterFor a 2.5” diameter

1.5 m tape1.5 m tape 2” length2” length

60 m tape should 60 m tape should be 80” be 80”

Our solenoid is 6”Our solenoid is 6” tall -> 13 layerstall -> 13 layers

Final AssemblyFinal Assembly

The OutletThe Outlet

TestsTests

Inner magnetic field with MagnetometerInner magnetic field with Magnetometer

Critical CurrentCritical Current

Self-Field limitations (voltmeter and Self-Field limitations (voltmeter and Magnetometer)Magnetometer)

ForceForce

Compare to results from copper solenoidCompare to results from copper solenoid

Immediate GoalsImmediate Goals

Use propane torch to solder power leadsUse propane torch to solder power leads

Experiment with aspect ratio Experiment with aspect ratio

Insulate with Kapton tapeInsulate with Kapton tape

Heat conduction calculations for HeliumHeat conduction calculations for Helium

Build final sized apparatusBuild final sized apparatus

Connecting Power LeadsConnecting Power Leads

Final DesignFinal Design

Flat disk of Al from Flat disk of Al from original ingotoriginal ingot

Two large diameter Two large diameter tubes attached to tubes attached to bottom diskbottom disk

LidLid

Final DesignFinal Design

ScheduleSchedule

Questions?Questions?