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Physical and mathematical modeling of acousto-convective drying of rice

  • Heat Conduction and Heat Exchange in Technological Processes
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Journal of Engineering Physics and Thermophysics Aims and scope

The present paper considers calculated and experimental data on acousto-convective drying of unhusked rice and analyzes the data on the drying of rise in three drying cells: in two installations of the Institute of Theoretical and Applied Mechanics (ITAM) of the Siberian Branch of the RAS — drying cells of small and medium cross-section — and in the large cross-section installation developed jointly by the Korea Polytechnic University and Doosan Co. LD. on the basis of the acousto-convective technology developed at the ITAM of the Siberian Branch of the RAS. In particular, calculated velocity distributions over the cell cross-section in the installation with a large cross-section are presented. The experiment has shown that the use of the twomode acoustic signal for drying rice does not influence drying results as compared to the one-mode regime. The drying rate of rice placed in the audio-frequency generator chamber differed from the drying rate in the drying cell. The calculation method has been verified by the amplitude-frequency characteristics of the Hartmann generator.

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Authors and Affiliations

  1. Institute of Theoretical and Applied Mechanics, Siberian Branch of the Russian Academy of Sciences, 4/1 Institutskaya Str., Novosibirsk, 630090, Russia

    A. V. Fedorov & I. A. Fedorchenko

  2. Korean Polytechnical University, Sikhyn, South Korea

    S. B. An & J. H. Lee

  3. Dooson Co. LTD, Sikhyn, South Korea

    K. M. Choo

Authors
  1. A. V. Fedorov
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  2. I. A. Fedorchenko
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  3. S. B. An
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  4. J. H. Lee
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  5. K. M. Choo
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Correspondence to I. A. Fedorchenko.

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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 83, No. 1, pp. 64–73, January–February, 2010.

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Fedorov, A.V., Fedorchenko, I.A., An, S.B. et al. Physical and mathematical modeling of acousto-convective drying of rice. J Eng Phys Thermophy 83, 72–82 (2010). https://doi.org/10.1007/s10891-010-0320-8

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  • DOI: https://doi.org/10.1007/s10891-010-0320-8

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