Download - First wall mods status
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First wall mods status
NCSX SIT Meeting
July 1, 2002
•Points at 0, 30, 60 degrees from Art
•Points x 1.025 in cross sections
•RF launchers bigger issue than trim coils
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Model
RF launcher locations, typ 6 places
FW panels, 360 deg shown
Modular coil partial assembly
Vessel with insulation
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Plan cross section
10 deg
0 deg
20 deg
30 deg
40 deg
50 deg60 deg
RF launcher locations
Trim coils
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Cross section at 0 degrees
Trim coils intersect this section
Almost all points are inside first wall
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Cross section at 10, 20 degrees Points not available yet Trim coils intersect 10 deg section
20 deg
10 deg
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Cross section at 30 degrees
Trim coils do not intersect this section
Closest approach to first wall
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Cross section at 40, 50 degrees Points not available yet RF launchers intersect these sections
40 deg
50 deg
Co-ax
Faraday shield
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Cross section at 60 degrees
Field joint and limiters are around this section
RF launchers on either side
Almost all points are inside first wall
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Cross section at 60 degrees
Cross section changes abruptly
Limiter visible in this view
RF launchers on either side of this section mostly hidden by limiter
limiter
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RF launcher options
Reduce number of launchers to 4 instead of 6 per section Less power?, unless strap lengths can be increased
Reduce coax to 4 inches instead of 6, maybe smaller
Move feeds farther out by running strap through “tunnels” to get straight-in shot at feed, but need more than 3 cm behind FW in these areas.
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PFC panel / rib detail
Details for one concept for panel attachment developed with BFG Aerospace
Plasma
Vacuum vessel
Heated / Cooled RibThermally insulated connection to vessel
Panel installed
Panel ass’y retracted