First Results of ELM Triggering with a Multichamber Lithium Granule Injector into EAST Discharges

Z. Sun; R. Lunsford; R. Maingi; J. S. Hu; D. K. Mansfield; A. Diallo; K. Tritz; J. Canik; Z. Wang; D. Andruczyk; Y. M. Wang; G. Z. Zuo; M. Huang; W. Xu; X. C. Meng

doi:10.1109/TPS.2017.2773095

First Results of ELM Triggering with a Multichamber Lithium Granule Injector into EAST Discharges

Z. Sun, R. Lunsford, R. Maingi, J. S. Hu, D. K. Mansfield, A. Diallo, K. Tritz, J. Canik, Z. Wang, D. Andruczyk, Y. M. Wang, G. Z. Zuo, M. Huang, W. Xu, X. C. Meng

Nuclear, Plasma, and Radiological Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

A critical challenge facing the basic long-pulse H-mode for ITER is to control edge-localized modes (ELMs). A new method using a multichamber lithium (Li) granule injector (LGI) for ELM triggering experiments has been developed in Experimental Advanced Superconducting Tokamak (EAST). First experimental results of the control of ELMs are obtained in EAST with a tungsten divertor. It is found that the injector has good capacities, i.e., allowing good flexibilities in granule size selection, injection rate, and injection velocity. LGI has successfully triggered ELMs during the H-mode. These results indicate the LGI would be a promising method to control ELMs in long-pulse steady-state tokamaks.

Original language	English (US)
Pages (from-to)	1076-1080
Number of pages	5
Journal	IEEE Transactions on Plasma Science
Volume	46
Issue number	5
DOIs	https://doi.org/10.1109/TPS.2017.2773095
State	Published - May 2018

Keywords

Edge localized modes (ELM)
Experimental Advanced Superconducting Tokamak (EAST)
lithium (Li) granule injection (LGI)

ASJC Scopus subject areas

Nuclear and High Energy Physics
Condensed Matter Physics

Online availability

10.1109/TPS.2017.2773095

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Sun, Z., Lunsford, R., Maingi, R., Hu, J. S., Mansfield, D. K., Diallo, A., Tritz, K., Canik, J., Wang, Z., Andruczyk, D., Wang, Y. M., Zuo, G. Z., Huang, M., Xu, W., & Meng, X. C. (2018). First Results of ELM Triggering with a Multichamber Lithium Granule Injector into EAST Discharges. IEEE Transactions on Plasma Science, 46(5), 1076-1080. https://doi.org/10.1109/TPS.2017.2773095

Sun, Z, Lunsford, R, Maingi, R, Hu, JS, Mansfield, DK, Diallo, A, Tritz, K, Canik, J, Wang, Z, Andruczyk, D, Wang, YM, Zuo, GZ, Huang, M, Xu, W & Meng, XC 2018, 'First Results of ELM Triggering with a Multichamber Lithium Granule Injector into EAST Discharges', IEEE Transactions on Plasma Science, vol. 46, no. 5, pp. 1076-1080. https://doi.org/10.1109/TPS.2017.2773095

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abstract = "A critical challenge facing the basic long-pulse H-mode for ITER is to control edge-localized modes (ELMs). A new method using a multichamber lithium (Li) granule injector (LGI) for ELM triggering experiments has been developed in Experimental Advanced Superconducting Tokamak (EAST). First experimental results of the control of ELMs are obtained in EAST with a tungsten divertor. It is found that the injector has good capacities, i.e., allowing good flexibilities in granule size selection, injection rate, and injection velocity. LGI has successfully triggered ELMs during the H-mode. These results indicate the LGI would be a promising method to control ELMs in long-pulse steady-state tokamaks.",

keywords = "Edge localized modes (ELM), Experimental Advanced Superconducting Tokamak (EAST), lithium (Li) granule injection (LGI)",

author = "Z. Sun and R. Lunsford and R. Maingi and Hu, {J. S.} and Mansfield, {D. K.} and A. Diallo and K. Tritz and J. Canik and Z. Wang and D. Andruczyk and Wang, {Y. M.} and Zuo, {G. Z.} and M. Huang and W. Xu and Meng, {X. C.}",

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AU - Lunsford, R.

AU - Maingi, R.

AU - Hu, J. S.

AU - Mansfield, D. K.

AU - Diallo, A.

AU - Tritz, K.

AU - Canik, J.

AU - Wang, Z.

AU - Andruczyk, D.

AU - Wang, Y. M.

AU - Zuo, G. Z.

AU - Huang, M.

AU - Xu, W.

AU - Meng, X. C.

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AB - A critical challenge facing the basic long-pulse H-mode for ITER is to control edge-localized modes (ELMs). A new method using a multichamber lithium (Li) granule injector (LGI) for ELM triggering experiments has been developed in Experimental Advanced Superconducting Tokamak (EAST). First experimental results of the control of ELMs are obtained in EAST with a tungsten divertor. It is found that the injector has good capacities, i.e., allowing good flexibilities in granule size selection, injection rate, and injection velocity. LGI has successfully triggered ELMs during the H-mode. These results indicate the LGI would be a promising method to control ELMs in long-pulse steady-state tokamaks.

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KW - Experimental Advanced Superconducting Tokamak (EAST)

KW - lithium (Li) granule injection (LGI)

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First Results of ELM Triggering with a Multichamber Lithium Granule Injector into EAST Discharges

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