Development of the ITER Advanced Steady State and Hybrid Scenarios

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Full discharge simulations are performed to examine the plasma current rampup, flattop and rampdown phases self-consistently with the poloidal field (PF) coils and their limitations, plasma transport evolution, and heating/current drive (H/CD) sources. Steady state scenarios are found that obtain 100% non-inductive current with Ip = 7.3-10.0 MA, βN ~ 2.5 for H98 = 1.6, Q’s range from 3 to 6, n/nGr = 0.75-1.0, and NB, IC, EC, and LH source have been examined. The scenarios remain within CS/PF coil limits by advancing the pre-magnetization by 40 Wb. Hybrid scenarios have been identified with 35-40% non-inductive current for Ip = ... continued below

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Kessel, C. E.; Campbell, D.; Casper, T.; Gribov, Y. & Snipes, J. September 24, 2010.

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Full discharge simulations are performed to examine the plasma current rampup, flattop and rampdown phases self-consistently with the poloidal field (PF) coils and their limitations, plasma transport evolution, and heating/current drive (H/CD) sources. Steady state scenarios are found that obtain 100% non-inductive current with Ip = 7.3-10.0 MA, βN ~ 2.5 for H98 = 1.6, Q’s range from 3 to 6, n/nGr = 0.75-1.0, and NB, IC, EC, and LH source have been examined. The scenarios remain within CS/PF coil limits by advancing the pre-magnetization by 40 Wb. Hybrid scenarios have been identified with 35-40% non-inductive current for Ip = 12.5 MA, H98 ~ 1.25, with q(0) reaching 1 at or after the end of rampup. The equilibrium operating space for the hybrid shows a large range of scenarios can be accommodated, and access 925-1300 s flattop burn durations.

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  • IAEA Fusion Energy Conference 2010, Daejon, Korea (October 11-16, 2010)

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  • Report No.: PPPL-4555
  • Grant Number: DE-ACO2-09CH11466
  • Office of Scientific & Technical Information Report Number: 989193
  • Archival Resource Key: ark:/67531/metadc1013428

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  • September 24, 2010

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  • Oct. 14, 2017, 8:36 a.m.

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  • Nov. 6, 2017, 5:36 p.m.

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Kessel, C. E.; Campbell, D.; Casper, T.; Gribov, Y. & Snipes, J. Development of the ITER Advanced Steady State and Hybrid Scenarios, article, September 24, 2010; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc1013428/: accessed July 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.