nstx upgrade project – final design review june 22 - 24, 2011 1 nstx supported by college w&m...
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011 1
NSTXNSTX Supported by
College W&MColorado Sch MinesColumbia UCompXGeneral AtomicsINELJohns Hopkins ULANLLLNLLodestarMITNova PhotonicsNew York UOld Dominion UORNLPPPLPSIPrinceton UPurdue USNLThink Tank, Inc.UC DavisUC IrvineUCLAUCSDU ColoradoU IllinoisU MarylandU RochesterU WashingtonU Wisconsin
Multipoint Thomson Scattering (MPTS)
Culham Sci CtrU St. Andrews
York UChubu UFukui U
Hiroshima UHyogo UKyoto U
Kyushu UKyushu Tokai U
NIFSNiigata UU Tokyo
JAEAHebrew UIoffe Inst
RRC Kurchatov InstTRINITI
KBSIKAIST
POSTECHASIPP
ENEA, FrascatiCEA, Cadarache
IPP, JülichIPP, Garching
ASCR, Czech RepU Quebec
George LabikM. Denault, H. Feder , M. Smith
Princeton Plasma Physics LaboratoryNSTX Upgrade ProjectFinal Design Review
LSB, B318June 22-24, 2011
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS CSU
2
•The MPTS is a multi-time, multi-spatial point Thomson Scattering diagnostic for measuring the electron temperature and density profiles on the National Spherical Torus Experiment (NSTX) ST research facility. In 2009 the US Department of Energy approved the initiation of a project to upgrade the NSTX for approved performance. As a result, a new larger Center stack (CS) is being designed to provide enhanced operating capabilities. It is necessary to upgrade the MPTS to accommodate the new CS and provide MPTS coverage of NSTX Upgrade plasma operation.
The vacuum boundaries closest to the vacuum vessel (VV) define the extent of this design review . Vacuum boundaries include torus interface valves, vacuum windows and blank covers. The Bay L port includes a number of diagnostics vacuum interfaces besides MPTS since they impact the port design but are not themselves part of this review.
The VV interfaces cost is estimated at $967 K .The installation is to be completed in mid 2013. The cost and schedule details are covered in the project summary elsewhere.
A successful PDR was conducted on 9 May 2011.
The MPTS VV FDR is planned for late August 2011.
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS CSU 3
The ex vessel components which define the remainder of MPTS is a separate job. The work approval form has been submitted for management review and approval.
The MPTS vacuum vessel modification at Bay L resulted in a design incorporating reinforcement of the VV at Bay JKLA, the MPTS FDR will include the optimization of the Bay L vacuum vessel reinforcement required to mitigate stresses from the upgrade enhanced operation. The optimization is proceeding in response to a chit from the PDR concerning the effect of the reinforcement on the Resistive Wall Mode (RWM) coils performance.
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS – System and Collecting Optics 4
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS – Isometric View- Vessel Section 5
•Laser
•Laser input •Vacuum interface
•Collection Optics•Box
•Bay F
•Bay L
•Background CHERS•Field of View
•FIReTIP
•TIV
•Bellows
•Ceramic •Break
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
NSTX Test Cell 6
•N•Bay L
•Bay F
•Laser Optics Box
•Laser Dump
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS – X Section 1 of VV – Overlay New and Existing Laser Centerlines 7
•Existing Lasers Path
•New Lasers Path
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS-X Sect 2 VV – Overlay New and Existing Laser Centerlines 8
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS-X Sect 3 VV-Overlay of New and Existing Laser Centerlines 9
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS _ Test Cell and Vacuum Vessel 10
•Laser flight tube
•Bay L TIV and Structural Support
•Laser Optics Box
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS-Test Cell looking South West_ Laser Dump 11
• MPTS – View Looking South _ Bay L and Laser External Dump
•Bay L
•Laser dump
•Machine vacuum
•Vacuum window
•Remote ly Operable•Laser Mirrors
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS – Laser input _ VV Interface 1 12
•Lasers VV Interface
•Calibration probe •VV Interface
•Collection Optics Box
•Fiber Bundles
•Fiber Array
•Vacuum Window•And Aperture
•Bay F
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS – Laser VV Interface 2 13
•Elliptical Plug •1.5 Inch Thk.
•Fiber Array •Adjustment and Support
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS – Vessel Laser Input and Calibration Probe Port 14
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS _ Vacuum Vessel Cross Section _ Laser Input 15
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS _ Laser and Background CHERS 16
•Background CHERS •Field of view
•Bay L •VV Interface
•Upgrade Center Stack
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS – Laser Spacing 17
•RWM Coils •Vertical Members
•1.5 inches additional toroidal space provided
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS _ Bay L Port 18
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS – Bay L 19
•MPTS•High K •scattering
•Back•CHERS
•FIReTIP
•TIV
•El Break
•Bellows
•SPRED
•XEUS
•12 inch OD•Tube
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS – Bay L 20
•Laser dump tube
•Steering•Mirror
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS – VV Mid Plane X Section 21
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
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•Typical i/2 inch thick plate •On vessel shell
•Reinforcement components
•Typical cutout for PF coils
•L
•K
•J
•A
•Existing •FIDA Diagnostic
•Bridging Bar •3 x 4 inches
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
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•Reinforcement components
•L•K •A
•J
•Typical ½ thick plate •On vessel shell
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS – Bay L Platform 27
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS-Bellows 28
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
MPTS _ Mitered 90 Degree Ell _ Steering Mirror 29
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NSTX Upgrade Project – Final Design Review June 22 - 24, 2011
NSTX VV Typical Port Weld Detail 30