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A method of quantitative analysis of rapid thermal processes through vessel walls under nonisothermal liquid flow

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Abstract

It is shown that the pulsation and energy characteristics of a turbulent boundary liquid layer can be investigated under thermal imaging resolution in the spectral range of 3.7–4.8 µm and a frequency resolution from 100 Hz through an infrared (IR)-transparent vessel wall with a moving liquid. The spatio-temporal, frequency, and spectral characteristics of heat fluxes initiated by the boundary layer of the liquid in the material can be investigated through an IR-opaque vessel wall with a moving liquid in the course of thermalimaging investigation. The dependence of the spectral and frequency characteristics on their thickness and the material of the wall is shown. The proposed method makes it possible to measure and analyze the fields of boundary layers of the liquid, as well as to acquire quantitative data on the wall material and thickness including verification of the corresponding programs and algorithms of numerical modeling.

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Authors and Affiliations

  1. AO OKBM (Experimental Design Department of Mechanical Engineering) Afrikantov, proezd Burnakovskii 15, Nizhny Novgorod, 603074, Russia

    M. A. Bolshukhin & V. I. Fomichev

  2. Department of Physics, Moscow State University, Moscow, 119991, Russia

    I. A. Znamenskaya

Authors
  1. M. A. Bolshukhin
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  2. I. A. Znamenskaya
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  3. V. I. Fomichev
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Corresponding author

Correspondence to I. A. Znamenskaya.

Additional information

Original Russian Text © M.A. Bolshukhin, I.A. Znamenskaya, V.I. Fomichev, 2015, published in Doklady Akademii Nauk, 2015, Vol. 465, No. 1, pp. 38–41.

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Bolshukhin, M.A., Znamenskaya, I.A. & Fomichev, V.I. A method of quantitative analysis of rapid thermal processes through vessel walls under nonisothermal liquid flow. Dokl. Phys. 60, 524–527 (2015). https://doi.org/10.1134/S1028335815110014

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  • DOI: https://doi.org/10.1134/S1028335815110014

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