Heat transfer and behavior of ultra high temperature ceramic materials under exposure to supersonic carbon dioxide plasma with additional laser irradiation

被引：2

作者：

Chaplygin, A. ^{[1
]}

Simonenko, E. ^{[2
]}

Simonenko, N. ^{[2
]}

Kotov, M. ^{[1
]}

Yakimov, M. ^{[1
]}

Lukomskii, I. ^{[1
]}

Galkin, S. ^{[1
]}

Kolesnikov, A. ^{[1
]}

Vasil'evskii, S. ^{[1
]}

Shemyakin, A. ^{[1
]}

Solovyov, N. ^{[1
]}

机构：

[1] RAS, Ishlinsky Inst Problems Mech, Prospekt Vernadskogo 101-1, Moscow 119526, Russia

[2] RAS, Kurnakov Inst Gen & Inorgan Chem, Leninsky Pr 31, Moscow 119991, Russia

来源：

INTERNATIONAL JOURNAL OF THERMAL SCIENCES | 2024年 / 201卷

基金：

俄罗斯科学基金会;

关键词：

Induction plasmatron; Carbon dioxide; Laser; Heat transfer; Combined heating; Ceramics; DISSOCIATED AIR; CATALYTIC RECOMBINATION; ZRB2-SIC CERAMICS; SURFACE; FLOW; COMPOSITES; EMISSIVITY; OXIDATION; GRAPHITE; PROPERTY;

D O I：

10.1016/j.ijthermalsci.2024.109005

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The behavior of the ultra high temperature ceramic material HfB2-SiC-C(graphene) under exposure to a supersonic carbon dioxide plasma, with and without the addition of laser irradiation, has been studied. The material was heated to 1750 degrees C in an inductively coupled plasma jet without laser irradiation. A temperature jump to 2190 degrees C was observed when additional ytterbium laser irradiation was applied to the surface. The spectral emissivity of the heated surface at wavelengths of 0.65 and 0.9 mu m was studied. It was found that the spectral emissivity decreases as the material oxidizes. The heat flux to the surface of the heated material was measured and compared to the heat flux to a cold copper surface under the same conditions. Analysis of the surface of HfB2-SiC-C(graphene) material after exposure was performed. Differences in microstructure were detected between specimens exposed to carbon dioxide plasma with and without additional laser irradiation.

引用

页数：11

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