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Problems of simulating tornado-like heat transfer in turbulent flow past a dimpled relief on a narrow channel wall

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Journal of Engineering Physics and Thermophysics Aims and scope

This paper analyzes the state of the art of numerical and partly physical simulation of convective heat transfer in the vicinity of dimpled reliefs on one of the walls of narrow plane-parallel channels. We show that there is a mismatch and spread of the results of these investigations, their conclusions lack substantiation, and there are “white spots” in the problems under consideration and in the methods of their investigation. Several physical experiments have been analyzed, and the correlation between the calculated predictions and measurement data has been discussed. In conclusion, the thermohydraulic characteristics of various dimpled reliefs are compared, and the advantage of oval dimples over spherical ones is demonstrated.

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Authors and Affiliations

  1. St. Petersburg University of Civil Aviation, 38 Pilotov Str., St. Petersburg, 196210, Russia

    S. A. Isaev

  2. N. É. Bauman Moscow State Technical University, 5 3rd Baumanskaya Str., Moscow, 107005, Russia

    A. I. Leontiev

Authors
  1. S. A. Isaev
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  2. A. I. Leontiev
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 83, No. 4, pp. 733–742, July–August, 2010.

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Isaev, S.A., Leontiev, A.I. Problems of simulating tornado-like heat transfer in turbulent flow past a dimpled relief on a narrow channel wall. J Eng Phys Thermophy 83, 783–793 (2010). https://doi.org/10.1007/s10891-010-0404-5

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