Accuracy of Pyrometry of a Tungsten Surface Heated by Submillisecond Laser Radiation

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Accuracy of Pyrometry of a Tungsten Surface Heated by Submillisecond Laser Radiation. / Ryzhkov, G. A.; Vyacheslavov, L. N.; Kasatov, A. A. et al.

In: Physics of Atomic Nuclei, Vol. 88, No. 7, 12.2025, p. 1343-1354.

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

Author

Ryzhkov, G. A. ; Vyacheslavov, L. N. ; Kasatov, A. A. et al. / Accuracy of Pyrometry of a Tungsten Surface Heated by Submillisecond Laser Radiation. In: Physics of Atomic Nuclei. 2025 ; Vol. 88, No. 7. pp. 1343-1354.

BibTeX

@article{1835c9aaa4874e56906fa3b75a3be460,

title = "Accuracy of Pyrometry of a Tungsten Surface Heated by Submillisecond Laser Radiation",

abstract = "An experimental facility has been created at the Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences for simulating pulsed thermal loads using a laser pulse of submillisecond duration pulse. Tungsten was used as the test sample material, for which the surface temperature was determined by pyrometry. The main factors affecting the temperature measurment accuracy by this method are that there is the need to take into account the surface roughness of the samples, and also that the literature contains different emissivity data that are not consistent with each other. However, the results of theoretical simulation showed that these factors have little effect on pyrometry accuracy. Based on of the thermophysical data of tungsten and the parameters of the laser pulse, the temporal dynamics of the tungsten surface temperature during thermal shock are simulated. The obtained experimental data are consistent with theoretical simulation.",

keywords = "laser heating, plasma-facing components, plasma–surface interaction, pyrometry, spectral emissivity, surface roughness, thermal shock, tungsten",

author = "Ryzhkov, {G. A.} and Vyacheslavov, {L. N.} and Kasatov, {A. A.} and Popov, {V. A.} and Cherepanov, {D. E.}",

note = "Ryzhkov, G.A., Vyacheslavov, L.N., Kasatov, A.A. et al. Accuracy of Pyrometry of a Tungsten Surface Heated by Submillisecond Laser Radiation. Phys. Atom. Nuclei 88, 1343–1354 (2025). https://doi.org/10.1134/S1063778825070063",

year = "2025",

month = dec,

doi = "10.1134/S1063778825070063",

language = "English",

volume = "88",

pages = "1343--1354",

journal = "Physics of Atomic Nuclei",

issn = "1063-7788",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "7",

}

RIS

TY - JOUR

T1 - Accuracy of Pyrometry of a Tungsten Surface Heated by Submillisecond Laser Radiation

AU - Ryzhkov, G. A.

AU - Vyacheslavov, L. N.

AU - Kasatov, A. A.

AU - Popov, V. A.

AU - Cherepanov, D. E.

N1 - Ryzhkov, G.A., Vyacheslavov, L.N., Kasatov, A.A. et al. Accuracy of Pyrometry of a Tungsten Surface Heated by Submillisecond Laser Radiation. Phys. Atom. Nuclei 88, 1343–1354 (2025). https://doi.org/10.1134/S1063778825070063

PY - 2025/12

Y1 - 2025/12

N2 - An experimental facility has been created at the Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences for simulating pulsed thermal loads using a laser pulse of submillisecond duration pulse. Tungsten was used as the test sample material, for which the surface temperature was determined by pyrometry. The main factors affecting the temperature measurment accuracy by this method are that there is the need to take into account the surface roughness of the samples, and also that the literature contains different emissivity data that are not consistent with each other. However, the results of theoretical simulation showed that these factors have little effect on pyrometry accuracy. Based on of the thermophysical data of tungsten and the parameters of the laser pulse, the temporal dynamics of the tungsten surface temperature during thermal shock are simulated. The obtained experimental data are consistent with theoretical simulation.

AB - An experimental facility has been created at the Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences for simulating pulsed thermal loads using a laser pulse of submillisecond duration pulse. Tungsten was used as the test sample material, for which the surface temperature was determined by pyrometry. The main factors affecting the temperature measurment accuracy by this method are that there is the need to take into account the surface roughness of the samples, and also that the literature contains different emissivity data that are not consistent with each other. However, the results of theoretical simulation showed that these factors have little effect on pyrometry accuracy. Based on of the thermophysical data of tungsten and the parameters of the laser pulse, the temporal dynamics of the tungsten surface temperature during thermal shock are simulated. The obtained experimental data are consistent with theoretical simulation.

KW - laser heating

KW - plasma-facing components

KW - plasma–surface interaction

KW - pyrometry

KW - spectral emissivity

KW - surface roughness

KW - thermal shock

KW - tungsten

UR - https://www.scopus.com/pages/publications/105029953695

UR - https://www.mendeley.com/catalogue/263621c5-de8e-3871-9358-e9ea1e745423/

U2 - 10.1134/S1063778825070063

DO - 10.1134/S1063778825070063

M3 - Article

VL - 88

SP - 1343

EP - 1354

JO - Physics of Atomic Nuclei

JF - Physics of Atomic Nuclei

SN - 1063-7788

IS - 7

ER -

ID: 74614157