Fast Neutral Pressure Measurements in NSTX

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Description

Several fast neutral pressure gauges have been installed on NSTX [National Spherical Torus Experiment] to measure the vessel and divertor pressure during inductive and coaxial helicity injected (CHI) plasma operations. Modified, PDX [Poloidal Divertor Experiment]-type Penning gauges have been installed on the upper and lower divertors. Neutral pressure measurements during plasma operations from these and from two shielded fast Micro ion gauges at different toroidal locations on the vessel mid-plane are described. A new unshielded ion gauge, referred to as the In-vessel Neutral Pressure (INP) gauge is under development.

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847 Kilobytes pages

Creation Information

Raman, R.; Kugel, H.W.; Provost, T.; Gernhardt, R.; Jarboe, T.R. & Bell, M.G. August 6, 2002.

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Description

Several fast neutral pressure gauges have been installed on NSTX [National Spherical Torus Experiment] to measure the vessel and divertor pressure during inductive and coaxial helicity injected (CHI) plasma operations. Modified, PDX [Poloidal Divertor Experiment]-type Penning gauges have been installed on the upper and lower divertors. Neutral pressure measurements during plasma operations from these and from two shielded fast Micro ion gauges at different toroidal locations on the vessel mid-plane are described. A new unshielded ion gauge, referred to as the In-vessel Neutral Pressure (INP) gauge is under development.

Physical Description

847 Kilobytes pages

Notes

INIS; OSTI as DE00808379

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  • Other Information: PBD: 6 Aug 2002

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  • Report No.: PPPL-3732
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/808379 | External Link
  • Office of Scientific & Technical Information Report Number: 808379
  • Archival Resource Key: ark:/67531/metadc737975

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • August 6, 2002

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

Description Last Updated

  • April 15, 2016, 9:19 p.m.

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Raman, R.; Kugel, H.W.; Provost, T.; Gernhardt, R.; Jarboe, T.R. & Bell, M.G. Fast Neutral Pressure Measurements in NSTX, report, August 6, 2002; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc737975/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.