NSTX Supported by Coils Support Structures College WM
NSTX Supported by Coils Support Structures College W&M Colorado Sch Mines Columbia U Comp. X General Atomics INEL Johns Hopkins U LANL LLNL Lodestar MIT Nova Photonics New York U Old Dominion U ORNL PPPL PSI Princeton U Purdue U SNL Think Tank, Inc. UC Davis UC Irvine UCLA UCSD U Colorado U Illinois U Maryland U Rochester U Washington U Wisconsin NSTX Danny Mangra NSTX Center Stack Upgrade Peer Review LSB, B 318 August 13, 2009 NSTX Center Stack Upgrade Peer Review Culham Sci Ctr U St. Andrews York U Chubu U Fukui U Hiroshima U Hyogo U Kyoto U Kyushu Tokai U NIFS Niigata U U Tokyo JAEA Hebrew U Ioffe Inst RRC Kurchatov Inst TRINITI KBSI KAIST POSTECH ASIPP ENEA, Frascati CEA, Cadarache IPP, Jülich IPP, Garching ASCR, Czech Rep U Quebec August 13, 2009
Structural- Design • Tasks : Components Coils: TF, PF 2, PF 3, PF 4 and PF 5 Pedestal: Center Stack Umbrella • Conditions: Forcing Inputs and environment Legacy equipments (hardware) Real Estate • Standards: Stress- in house design standard Installation and handling – Size and weight Alignment- ~5 mm Minimum impact to existing hardware Minimum impact to existing assembly in situ NSTX Center Stack Upgrade Peer Review August 13, 2009
Forcing Input NSTX Center Stack Upgrade Peer Review August 13, 2009
NSTX MAIN ASSEMBLY Umbrella PF Coil 3 Heating Manifold TF Coils PF Coil 4 PF Coil 5 Pedestal NSTX Center Stack Upgrade Peer Review August 13, 2009
NSTX Main Assembly with PF Cage Support NSTX Center Stack Upgrade Peer Review August 13, 2009
Design Approach (Strategy) • Exceed operational envelop requirements-Given • Maximize Structural capacity available “real estate” to minimize the “gap” between design capacity and power supply limitations • Gap – to be determined, if any NSTX Center Stack Upgrade Peer Review August 13, 2009
TF Coils and Supports Tangential Support TF Coils (12) TF Support Ring NSTX Center Stack Upgrade Peer Review August 13, 2009
TF Tangential Support Mechanism Clevis Bolted to pad Rod with spherical rod ends TF Support Ring Pad (Welded to Vessel) NSTX Center Stack Upgrade Peer Review August 13, 2009
Umbrella reinforcements NSTX Center Stack Upgrade Peer Review August 13, 2009
Pedestal Assembly 27” Dia Attached to Center Stack 36” Dia Removable Ribs 60” Dia NSTX Center Stack Upgrade Peer Review August 13, 2009
Cage - PF Coils Assembly PF 3 PF Supports (12) PF 4 PF 5 Center Column (12) NSTX Center Stack Upgrade Peer Review August 13, 2009
PF Coil Support Assembly Item # in order of installation Item 5 PF 3 Item 4 Item 3 PF 4 Item 6 Item 2 PF 5 Item 1 NSTX Center Stack Upgrade Peer Review August 13, 2009
Cage – PF Coils Assembly with bottom support Cage Assembly Cage Support NSTX Center Stack Upgrade Peer Review August 13, 2009
NSTX Main Assembly Manifold Cage Support Cage Legs NSTX Center Stack Upgrade Peer Review August 13, 2009
TF & PF Support Details and integration NSTX Center Stack Upgrade Peer Review August 13, 2009
TF & PF Support Assemblies integration NSTX Center Stack Upgrade Peer Review August 13, 2009
Issues • PF 2 - not yet started • Vessel stands real estate issues with PF and TF support • Cage Support Evolving • Columns supports 3 out 12 evolving NSTX Center Stack Upgrade Peer Review August 13, 2009
Impacts • • Ribs on vessel modification Pads on vessels removal and replacement TF coils- every shadow has a column totally 12 Additional supports for PF cage NSTX Center Stack Upgrade Peer Review August 13, 2009
SUMMARY • Concept Matured: PF 3, PF 4 and PF 5 (upper and Lower) TF coils(12) Umbrella Pedestal for center Stack • Concept Pending: PF 2 coils Cage • Issues- Real estate NSTX Center Stack Upgrade Peer Review August 13, 2009
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