Matches in SemOpenAlex for { <https://semopenalex.org/work/W100739459> ?p ?o ?g. }
Showing items 1 to 84 of
84
with 100 items per page.
- W100739459 abstract "In a collaborative effort between JAERI and EURATOM- CEA, the KAMABOKO negative ion source, which has produced more than 30 mA/cm2 of H− in Japan, has been tested for deuterium at Cadarache (France). The ion source is of the same design concept, but at a reduced scale, as the proposed large negative ion source for ITER-NBI. The negative D− ions are produced in a cesium seeded multi-cusp plasma generator of good plasma confinement, which allows efficient operation at low pressure. Routine diagnostics such as Langmuir probes and spectrometer are installed to measure plasma characteristics and atomic population. The transverse magnetic filter of 0.088 T.cm, installed in front of the extraction system, had been optimized for electron suppression in hydrogen operation. Stable arc discharges are observed at 0.35 Pa in deuterium for arc powers of up to 78 kW. For a pressure of 0.35 Pa, the ion source produces 1.4 A of D− with an average current density of 20 mA/cm2. The extracted electron current, originally 13 A, was prohibitive for a steady state operation of the extraction grid. Stronger transverse magnetic fields (up of to 0.18 T.cm) have been installed to reduce the electron flux on the extraction grid. At the maximum field stength, we observe that the production of deuterium negative ions is identical to the original configuration, but that the extracted electron current is strongly reduced. The ratio of the electron current to the D− current is less than one, instead of 10 previously. Under these conditions, 1000 second source operation should be possible, which would satisfy the design nominal values for ITER." @default.
- W100739459 created "2016-06-24" @default.
- W100739459 creator A5008817814 @default.
- W100739459 creator A5013967542 @default.
- W100739459 creator A5020726295 @default.
- W100739459 creator A5040044359 @default.
- W100739459 creator A5062221912 @default.
- W100739459 creator A5068767343 @default.
- W100739459 date "1997-01-01" @default.
- W100739459 modified "2023-09-25" @default.
- W100739459 title "Negative D− ion source relevant for application to ITER neutral beam injectors" @default.
- W100739459 doi "https://doi.org/10.1016/b978-0-444-82762-3.50139-7" @default.
- W100739459 hasPublicationYear "1997" @default.
- W100739459 type Work @default.
- W100739459 sameAs 100739459 @default.
- W100739459 citedByCount "1" @default.
- W100739459 crossrefType "book-chapter" @default.
- W100739459 hasAuthorship W100739459A5008817814 @default.
- W100739459 hasAuthorship W100739459A5013967542 @default.
- W100739459 hasAuthorship W100739459A5020726295 @default.
- W100739459 hasAuthorship W100739459A5040044359 @default.
- W100739459 hasAuthorship W100739459A5062221912 @default.
- W100739459 hasAuthorship W100739459A5068767343 @default.
- W100739459 hasConcept C116515362 @default.
- W100739459 hasConcept C121332964 @default.
- W100739459 hasConcept C145148216 @default.
- W100739459 hasConcept C147120987 @default.
- W100739459 hasConcept C176118016 @default.
- W100739459 hasConcept C178790620 @default.
- W100739459 hasConcept C184779094 @default.
- W100739459 hasConcept C185544564 @default.
- W100739459 hasConcept C185592680 @default.
- W100739459 hasConcept C188224857 @default.
- W100739459 hasConcept C192562407 @default.
- W100739459 hasConcept C22175881 @default.
- W100739459 hasConcept C2776059347 @default.
- W100739459 hasConcept C2778220808 @default.
- W100739459 hasConcept C43503373 @default.
- W100739459 hasConcept C58364064 @default.
- W100739459 hasConcept C82706917 @default.
- W100739459 hasConceptScore W100739459C116515362 @default.
- W100739459 hasConceptScore W100739459C121332964 @default.
- W100739459 hasConceptScore W100739459C145148216 @default.
- W100739459 hasConceptScore W100739459C147120987 @default.
- W100739459 hasConceptScore W100739459C176118016 @default.
- W100739459 hasConceptScore W100739459C178790620 @default.
- W100739459 hasConceptScore W100739459C184779094 @default.
- W100739459 hasConceptScore W100739459C185544564 @default.
- W100739459 hasConceptScore W100739459C185592680 @default.
- W100739459 hasConceptScore W100739459C188224857 @default.
- W100739459 hasConceptScore W100739459C192562407 @default.
- W100739459 hasConceptScore W100739459C22175881 @default.
- W100739459 hasConceptScore W100739459C2776059347 @default.
- W100739459 hasConceptScore W100739459C2778220808 @default.
- W100739459 hasConceptScore W100739459C43503373 @default.
- W100739459 hasConceptScore W100739459C58364064 @default.
- W100739459 hasConceptScore W100739459C82706917 @default.
- W100739459 hasLocation W1007394591 @default.
- W100739459 hasOpenAccess W100739459 @default.
- W100739459 hasPrimaryLocation W1007394591 @default.
- W100739459 hasRelatedWork W1515120618 @default.
- W100739459 hasRelatedWork W1629766207 @default.
- W100739459 hasRelatedWork W1652930197 @default.
- W100739459 hasRelatedWork W1653043310 @default.
- W100739459 hasRelatedWork W17892834 @default.
- W100739459 hasRelatedWork W197275506 @default.
- W100739459 hasRelatedWork W1981796031 @default.
- W100739459 hasRelatedWork W1985326728 @default.
- W100739459 hasRelatedWork W2026832710 @default.
- W100739459 hasRelatedWork W2066766548 @default.
- W100739459 hasRelatedWork W2082299879 @default.
- W100739459 hasRelatedWork W2085823726 @default.
- W100739459 hasRelatedWork W2092577980 @default.
- W100739459 hasRelatedWork W2095586449 @default.
- W100739459 hasRelatedWork W2802399976 @default.
- W100739459 hasRelatedWork W2901073637 @default.
- W100739459 hasRelatedWork W2920855302 @default.
- W100739459 hasRelatedWork W3134201863 @default.
- W100739459 hasRelatedWork W845386873 @default.
- W100739459 hasRelatedWork W857011958 @default.
- W100739459 isParatext "false" @default.
- W100739459 isRetracted "false" @default.
- W100739459 magId "100739459" @default.
- W100739459 workType "book-chapter" @default.