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Heat Transfer Research
Fator do impacto: 1.199 FI de cinco anos: 1.155 SJR: 0.267 SNIP: 0.503 CiteScore™: 1.4

ISSN Imprimir: 1064-2285
ISSN On-line: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v29.i6-8.160
pages 493-497

Study of Temperature in a Liquid Plow through a Stationary Granular Bed

V. E. Nakoryakov
S. S. Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Pr. Ac. Lavrentev, 1, Novosibirsk, 630090, Russia
B. V. Perepelitsa
Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia

RESUMO

The analysis of a signal from a micro-thermocouple was used to study flow regimes in a regular packed bed with a single-phase liquid flow. Measurements were performed in a 20 × 40-mm channel with homogeneous Plexiglas spheres 10 mm in diameter. The Reynolds number range was from about 20 to 4900. The temperature of the flow was measured with a thermocouple probe containing a hot junction of about 5 mm. Temperature measurements were taken at varying distances from the heating source and covered the near-wall region including a viscous sublayer. The results of the study of the temperature field and its statistical characteristics in water are presented. These distributions are shown to be essentially different from those known so far. At high Re numbers, the structure of the temperature field evolves slightly over the flow length


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