{"dcterms:modified":"2025-04-02","dcterms:creator":"Harvard Dataverse","@type":"ore:ResourceMap","schema:additionalType":"Dataverse OREMap Format v1.0.1","dvcore:generatedBy":{"@type":"schema:SoftwareApplication","schema:name":"Dataverse","schema:version":"6.6 build 1829-192cdc4","schema:url":"https://github.com/iqss/dataverse"},"@id":"https://dataverse.harvard.edu/api/datasets/export?exporter=OAI_ORE&persistentId=https://doi.org/10.7910/DVN/LITI5S","ore:describes":{"citation:datasetContact":{"citation:datasetContactEmail":"jwhughes@psfc.mit.edu"},"citation:keyword":[{"citation:keywordValue":"Alcator C-Mod"},{"citation:keywordValue":"DIII-D tokamak"},{"citation:keywordValue":"edge density fluctuations"},{"citation:keywordValue":"elm pedestal"},{"citation:keywordValue":"fusion energy"}],"citation:dsDescription":{"citation:dsDescriptionValue":"Edge localized modes (ELMs) lead to a cyclical behaviour of the H-mode pedestal density, temperature and pressure. Substantial evidence exists associating the ELM crash with violation of ideal MHD stability, via current driven kink/peeling modes and/or pressure gradient driven ballooning modes. Recovery from ELM crashes and buildup to the next ELM crash is an active and critical area of edge physics research for ITER projections. In one set of theories, the pedestal pressure profile in H-mode discharges is predicted to be limited by micro-instabilities. One such micro-instability is the kinetic ballooning mode (KBM), which is hypothesized to provide a ‘soft’ limit that regulates the edge transport, thereby restricting the local pressure gradient. In this picture, e.g. in the EPED model, the pedestal width expands slowly until the ideal MHD stability limit is reached. Experiments were recently performed on the C-Mod and DIII-D devices to search for instabilities correlated with the pedestal evolution between ELMs. The results show correlations between the onset of quasi-coherent fluctuations between type I ELMs and a critical temperature gradient.  Linear gyrokinetic calculations have shown that these fluctuations have characteristics similar to those expected for KBMs. These results provide additional data toward validation of the EPED model, increasing confidence in ITER projections."},"author":{"citation:authorName":"Diallo, A.; Groebner, R.J.; Hughes, J.W.; Rhodes, T.L.; Baek, S. G.; LaBombard, B.; Terry, J.L.; Cziegler, I.; Walk, J.; Hubbard, A.E.; Smith, D.; Osborne, T.H.; Canik, J.M.; Guttenfelder, W.; Snyder, P.B."},"title":"Inter-ELM pedestal evolution and the role of edge fluctuations in the C-Mod and DIII-D tokamaks","subject":"Physics","citation:notesText":"<a href=\"http://library.psfc.mit.edu/catalog/reports/2010/15ja/15ja104/abstract.php\">PSFC REPORT PSFC/JA-15-104</a><br /><br />This work was supported by US DoE Award DE-FC02-99ER54512 using Alcator C-Mod a DOE Office of Science User Facility<br /><br />If this record does not contain the full text, then the manuscript has been embargoed by the publisher thus restricting open access for 12 to 24 months after publication.","@id":"https://doi.org/10.7910/DVN/LITI5S","@type":["ore:Aggregation","schema:Dataset"],"schema:version":"1.0","schema:name":"Inter-ELM pedestal evolution and the role of edge fluctuations in the C-Mod and DIII-D tokamaks","schema:dateModified":"Mon Sep 27 13:39:40 UTC 2021","schema:datePublished":"2021-09-27","schema:creativeWorkStatus":"RELEASED","dvcore:termsOfUse":"This dataset is made available without information on how it can be used. 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