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Heat Transfer Research
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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v33.i7-8.120
11 pages

Diagnostics and Modeling of Heat Transfer in High-Enthalpy Gas Flows with Local Heat Sources and Sinks

V. A. Loshkarev
Stavropol Branch of the Rostov Military Institute, Stavropol, Russia

ABSTRACT

The use of the laser Raman scattering method is considered for the diagnostics of a near-wall high-enthalpy boundary layer on the surface of ablating materials with a view of detecting volumetric-spatial zones of fast gas-phase chemical reactions of exo- and endothermic types between the ablation vapor and gas components of the main strean. Based on the experimental data, a rational mathematical model is suggested which takes into account the influence of the zones on the character of combined heat transfer, with simultaneous presence of heat conduction and radiation.


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