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First wall mods status

First wall mods status. Points at 0, 30, 60 degrees from Art Points x 1.025 in cross sections RF launchers bigger issue than trim coils. NCSX SIT Meeting July 1, 2002. Model. Vessel with insulation. RF launcher locations, typ 6 places. FW panels, 360 deg shown.

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First wall mods status

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  1. First wall mods status • Points at 0, 30, 60 degrees from Art • Points x 1.025 in cross sections • RF launchers bigger issue than trim coils NCSX SIT Meeting July 1, 2002

  2. Model Vessel with insulation RF launcher locations, typ 6 places FW panels, 360 deg shown Modular coil partial assembly

  3. Plan cross section 60 deg 50 deg 40 deg RF launcher locations 30 deg 20 deg 10 deg Trim coils 0 deg

  4. Cross section at 0 degrees • Trim coils intersect this section • Almost all points are inside first wall

  5. Cross section at 10, 20 degrees • Points not available yet • Trim coils intersect 10 deg section 10 deg 20 deg

  6. Cross section at 30 degrees • Trim coils do not intersect this section • Closest approach to first wall

  7. Cross section at 40, 50 degrees • Points not available yet • RF launchers intersect these sections Co-ax Faraday shield 40 deg 50 deg

  8. 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

  9. 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

  10. 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.

  11. Plasma Panel installed Panel ass’y retracted Thermally insulated connection to vessel Heated / Cooled Rib Vacuum vessel PFC panel / rib detail • Details for one concept for panel attachment developed with BFG Aerospace

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