Disruption mitigation system developments and design for ITER

R. Baylor; C. C. Barbier; J. R. Carmichael; S. K. Comb; M. N. Ericson; N. D. Bull Ezell; P. W. Fisher; M. S. Lyttle; S. J. Meitner; D. A. Rasmussen; S. F. Smith; J. B. Wilgen; S. Maruyama; G. Kiss

doi:10.13182/FST14-926

Disruption mitigation system developments and design for ITER

R. Baylor, C. C. Barbier, J. R. Carmichael, S. K. Comb, M. N. Ericson, N. D. Bull Ezell, P. W. Fisher, M. S. Lyttle, S. J. Meitner, D. A. Rasmussen, S. F. Smith, J. B. Wilgen, S. Maruyama, G. Kiss

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

44 Scopus citations

Abstract

A disruption mitigation system (DMS) is under design for ITER to inject sufficient material deeply into the plasma for rapid plasma thermal shutdown and collisional suppression of any resulting runaway electrons. Progress on the development and design of both a shattered pellet injector (SPI) that produces large solid cryogenic pellets to provide reliable deep penetration of material and a fast opening high flow rate gas valve for massive gas injection (MGI) is presented. Cryogenic pellets of deuterium and neon up to 25 mm in size have been formed and accelerated with a prototype injector and a full scale prototype MGI valve is now in testing. Implications of the design with respect to response time and reliability at the proposed injector locations on ITER are discussed.

Original language	English
Title of host publication	Fusion Science and Technology
Publisher	American Nuclear Society
Pages	211-215
Number of pages	5
Volume	68
Edition	2
ISBN (Electronic)	9781510811836
DOIs	https://doi.org/10.13182/FST14-926
State	Published - Sep 1 2015

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Baylor, R., Barbier, C. C., Carmichael, J. R., Comb, S. K., Ericson, M. N., Bull Ezell, N. D., Fisher, P. W., Lyttle, M. S., Meitner, S. J., Rasmussen, D. A., Smith, S. F., Wilgen, J. B., Maruyama, S., & Kiss, G. (2015). Disruption mitigation system developments and design for ITER. In Fusion Science and Technology (2 ed., Vol. 68, pp. 211-215). American Nuclear Society. https://doi.org/10.13182/FST14-926

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AU - Baylor, R.

AU - Barbier, C. C.

AU - Carmichael, J. R.

AU - Comb, S. K.

AU - Ericson, M. N.

AU - Bull Ezell, N. D.

AU - Fisher, P. W.

AU - Lyttle, M. S.

AU - Meitner, S. J.

AU - Rasmussen, D. A.

AU - Smith, S. F.

AU - Wilgen, J. B.

AU - Maruyama, S.

AU - Kiss, G.

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AB - A disruption mitigation system (DMS) is under design for ITER to inject sufficient material deeply into the plasma for rapid plasma thermal shutdown and collisional suppression of any resulting runaway electrons. Progress on the development and design of both a shattered pellet injector (SPI) that produces large solid cryogenic pellets to provide reliable deep penetration of material and a fast opening high flow rate gas valve for massive gas injection (MGI) is presented. Cryogenic pellets of deuterium and neon up to 25 mm in size have been formed and accelerated with a prototype injector and a full scale prototype MGI valve is now in testing. Implications of the design with respect to response time and reliability at the proposed injector locations on ITER are discussed.

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BT - Fusion Science and Technology

PB - American Nuclear Society

ER -

Disruption mitigation system developments and design for ITER

Abstract

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