Observation of dust particles ejected from the tungsten surface by transient heat flux with small-angle scattering of cw laser light

L. N. Vyacheslavov; A. S. Arakcheev; A. V. Burdakov; I. V. Kandaurov; A. A. Kasatov; V. V. Kurkuchekov; K. I. Mekler; V. A. Popov; A. A. Shoshin; D. I. Skovorodin; Yu A. Trunev; A. A. Vasilyev

doi:10.1016/j.nme.2017.01.023

Observation of dust particles ejected from the tungsten surface by transient heat flux with small-angle scattering of cw laser light

L. N. Vyacheslavov, A. S. Arakcheev, A. V. Burdakov, I. V. Kandaurov, A. A. Kasatov, V. V. Kurkuchekov, K. I. Mekler, V. A. Popov, A. A. Shoshin, D. I. Skovorodin, Yu A. Trunev, A. A. Vasilyev

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

6 Цитирования (Scopus)

Аннотация

A new test facility for experimental simulation of transient heat load expected in the ITER divertor during unmitigated events is developed. Application of a long-pulse (0.1–0.3 ms) wide-aperture (up to 2 cm²) electron beam as a heating device provides powerful energy loads at a tungsten target with F_HF> 250 MJ m⁻² s^−0.5. Dynamics of tungsten particles in the ablation plume is investigated with a novel for PSI experiments small-angle laser light scattering technique. The threshold of intense droplet generation and dynamics of particles sizes are estimated.

Язык оригинала	английский
Страницы (с-по)	494-498
Число страниц	5
Журнал	Nuclear Materials and Energy
Том	12
DOI	https://doi.org/10.1016/j.nme.2017.01.023
Состояние	Опубликовано - 1 авг 2017

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10.1016/j.nme.2017.01.023

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Vyacheslavov, L. N., Arakcheev, A. S., Burdakov, A. V., Kandaurov, I. V., Kasatov, A. A., Kurkuchekov, V. V., Mekler, K. I., Popov, V. A., Shoshin, A. A., Skovorodin, D. I., Trunev, Y. A., & Vasilyev, A. A. (2017). Observation of dust particles ejected from the tungsten surface by transient heat flux with small-angle scattering of cw laser light. Nuclear Materials and Energy, 12, 494-498. https://doi.org/10.1016/j.nme.2017.01.023

Vyacheslavov, L. N. ; Arakcheev, A. S. ; Burdakov, A. V. ; Kandaurov, I. V. ; Kasatov, A. A. ; Kurkuchekov, V. V. ; Mekler, K. I. ; Popov, V. A. ; Shoshin, A. A. ; Skovorodin, D. I. ; Trunev, Yu A. ; Vasilyev, A. A. / Observation of dust particles ejected from the tungsten surface by transient heat flux with small-angle scattering of cw laser light. В: Nuclear Materials and Energy. 2017 ; Том 12. стр. 494-498.

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abstract = "A new test facility for experimental simulation of transient heat load expected in the ITER divertor during unmitigated events is developed. Application of a long-pulse (0.1–0.3 ms) wide-aperture (up to 2 cm2) electron beam as a heating device provides powerful energy loads at a tungsten target with FHF> 250 MJ m−2 s−0.5. Dynamics of tungsten particles in the ablation plume is investigated with a novel for PSI experiments small-angle laser light scattering technique. The threshold of intense droplet generation and dynamics of particles sizes are estimated.",

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Vyacheslavov, LN, Arakcheev, AS, Burdakov, AV, Kandaurov, IV, Kasatov, AA, Kurkuchekov, VV, Mekler, KI, Popov, VA , Shoshin, AA , Skovorodin, DI , Trunev, YA & Vasilyev, AA 2017, 'Observation of dust particles ejected from the tungsten surface by transient heat flux with small-angle scattering of cw laser light', Nuclear Materials and Energy, том. 12, стр. 494-498. https://doi.org/10.1016/j.nme.2017.01.023

Observation of dust particles ejected from the tungsten surface by transient heat flux with small-angle scattering of cw laser light. / Vyacheslavov, L. N.; Arakcheev, A. S.; Burdakov, A. V.; Kandaurov, I. V.; Kasatov, A. A.; Kurkuchekov, V. V.; Mekler, K. I.; Popov, V. A.; Shoshin, A. A.; Skovorodin, D. I.; Trunev, Yu A.; Vasilyev, A. A.

В: Nuclear Materials and Energy, Том 12, 01.08.2017, стр. 494-498.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

TY - JOUR

T1 - Observation of dust particles ejected from the tungsten surface by transient heat flux with small-angle scattering of cw laser light

AU - Vyacheslavov, L. N.

AU - Arakcheev, A. S.

AU - Burdakov, A. V.

AU - Kandaurov, I. V.

AU - Kasatov, A. A.

AU - Kurkuchekov, V. V.

AU - Mekler, K. I.

AU - Popov, V. A.

AU - Shoshin, A. A.

AU - Skovorodin, D. I.

AU - Trunev, Yu A.

AU - Vasilyev, A. A.

PY - 2017/8/1

Y1 - 2017/8/1

N2 - A new test facility for experimental simulation of transient heat load expected in the ITER divertor during unmitigated events is developed. Application of a long-pulse (0.1–0.3 ms) wide-aperture (up to 2 cm2) electron beam as a heating device provides powerful energy loads at a tungsten target with FHF> 250 MJ m−2 s−0.5. Dynamics of tungsten particles in the ablation plume is investigated with a novel for PSI experiments small-angle laser light scattering technique. The threshold of intense droplet generation and dynamics of particles sizes are estimated.

AB - A new test facility for experimental simulation of transient heat load expected in the ITER divertor during unmitigated events is developed. Application of a long-pulse (0.1–0.3 ms) wide-aperture (up to 2 cm2) electron beam as a heating device provides powerful energy loads at a tungsten target with FHF> 250 MJ m−2 s−0.5. Dynamics of tungsten particles in the ablation plume is investigated with a novel for PSI experiments small-angle laser light scattering technique. The threshold of intense droplet generation and dynamics of particles sizes are estimated.

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