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Experimental investigation of local heat transfer in the packing with triangular channels

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Thermophysics and Aeromechanics Aims and scope

Abstract

Results of experimental studies on temperature distribution over the surface of a complex-shape heat exchanger like “Frenkel packing” are presented. Measurements were carried out with the airflow between two corrugated sheets with triangular crimps directed at 90° relative to each other. Microthermocouples glued on the outer surface of the heater were used for measurements. The effect of contact points, Reynolds number, and gap between corrugated sheets on temperature distribution over the heat exchanger surface is analysed under the turbulent mode of airflow. The main attention is paid to temperature distribution over the heating surface in an elementary cell. According to measurements performed, there is insignificant effect of contact points and gap on the type of temperature distribution over the perimeter of heated cell.

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  1. Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia

    B. V. Perepelitsa

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  1. B. V. Perepelitsa
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Perepelitsa, B.V. Experimental investigation of local heat transfer in the packing with triangular channels. Thermophys. Aeromech. 13, 549–555 (2006). https://doi.org/10.1134/S0869864306040081

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  • DOI: https://doi.org/10.1134/S0869864306040081

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