Integrated Lithium Research at PPPLIntegrated Lithium Research at PPPL

R. KaitaPPPL

Liquid Surfaces for PFCsPFC Conference Call

April 14, 2009

NSTXNSTX

College W&M

Colorado Sch Mines

Columbia U

CompX

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

Culham Sci Ctr

U St. Andrews

York U

Chubu U

Fukui U

Hiroshima U

Hyogo U

Kyoto U

Kyushu 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

Supported by

Lithium research at PPPL includes complementary

technology and ST concept improvement missions

NSTX Plasma Improvement Tools

• Lithium evaporator

• Lithium powder dropper

• (Boronization)

• (Cryopumping)

ST-specific physics

understanding

LTX

• Static liquid

lithium on shell

CDX-U

• Free-surface

liquid lithium

LTX-U

• Flowing liquid

lithium PFC

NSTX Liquid Lithium Divertor for Power Handling

• Electron beam testing needed to evaluate concepts

Basic materials

science

Lithium-carbon

chemistry

“Proof of Principle”

Mission

Physics of tokamaks

with lithium walls

Next

Step

ST’s

Technology

Development

Mission

NSTX lithium research is integral part of broad approach to

develop lithium for PFC concepts in future machines

NSTX

• High performance plasma

with lithium PFC’s

• High power divertor

using liquid lithiumRetention of hydrogenic

species and impurities

LTX PFC test facility

Purdue surface analysis facilities

NSTX materials

analysis probe

LTX lithium handling facility LTX

• Fully-nonrecycling liquid lithium PFC’s

• Profile control with core fueling

Next

Step

ST’s