NSTX SHUNT PLUG CONCEPT 52609

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NSTX SHUNT PLUG CONCEPT (5-26-09)
5-26-09
SINGLE PIECE INSTALLATION
THREE PIECE INSTALLATION
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VACUUM VESSEL
ZERO POWER LINE 1 FROM WALL
ZERO POWER LINE
NEW LOCATION OF FLANGE 4.88 RADIALLY OUT
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SINGLE PIECE INSTALLATION IF SIZE IS WITHIN ½ OF
CURRENT DESIGN
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AS INSTALLED
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OPTION A (CAP) - CUTOUT LINE SIMPLE
MACHINING WELD FROM OUTSIDE BETWEEN THE COILS
OPTION B (PLUG) - CUTOUT LINE PRECISE
MACHINING WELD FROM INSIDE THE VACUUM VESSEL
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Other issues

• Add residual strain gages to VV in the cutout
  areas to measure the residual stresses
• Could also add strain gages on the vessel surface
  to verify the models