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Numerical modeling dynamic process of multi-feed microwave heating of industrial solution media

  • Mechanical Engineering, Control Science and Information Engineering
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Abstract

The exothermic efficiency of microwave heating an electrolyte/water solution is remarkably high due to the dielectric heating by orientation polarization of water and resistance heating by the Joule process occurred simultaneously compared with pure water. A three-dimensional finite element numerical model of multi-feed microwave heating industrial liquids continuously flowing in a meter-scale circular tube is presented. The temperature field inside the applicator tube in the cavity is solved by COMSOL Multiphysics and professional programming to describe the momentum, energy and Maxwell’s equations. The evaluations of the electromagnetic field, the temperature distribution and the velocity field are simulated for the fluids dynamically heated by single- and multi-feed microwave system, respectively. Both the pilot experimental investigations and numerical results of microwave with single-feed heating for fluids with different effective permittivity and flow rates show that the presented numerical modeling makes it possible to analyze dynamic process of multi-feed microwave heating the industrial liquid. The study aids in enhancing the understanding and optimizing of dynamic process in the use of multi-feed microwave heating industrial continuous flow for a variety of material properties and technical parameters.

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Authors and Affiliations

  1. Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, 650500, China

    Biao Yang  (杨彪) & Jun Sun  (孙俊)

  2. Key Laboratory of Unconventional Metallurgy, Ministry of Education, Kunming University of Science and Technology, Kunming, 650093, China

    Biao Yang  (杨彪), Jun Sun  (孙俊), Wei Li  (李玮), Jin-hui Peng  (彭金辉), Hui-long Luo  (罗会龙) & Sheng-hui Guo  (郭胜惠)

  3. Engineering Laboratory of Microwave Application and Equipment Technology of Yunnan Province, Kunming University of Science and Technology, Kunming, 650093, China

    Biao Yang  (杨彪), Jun Sun  (孙俊), Wei Li  (李玮), Jin-hui Peng  (彭金辉), Hui-long Luo  (罗会龙) & Sheng-hui Guo  (郭胜惠)

  4. Faculty of Science, Kunming University of Science and Technology, Kunming, 650093, China

    Wei Li  (李玮)

  5. Kunming Iron & Steel Holding Co., Ltd., Kunming, 650302, China

    You-ling Li  (李幼灵), Zhu-ming Zhang  (张竹敏), He-zhou Su  (苏鹤州) & Ya-ming Shi  (史亚鸣)

Authors
  1. Biao Yang  (杨彪)
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  2. Jun Sun  (孙俊)
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  3. Wei Li  (李玮)
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  4. Jin-hui Peng  (彭金辉)
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  5. You-ling Li  (李幼灵)
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  6. Hui-long Luo  (罗会龙)
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  7. Sheng-hui Guo  (郭胜惠)
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  8. Zhu-ming Zhang  (张竹敏)
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  9. He-zhou Su  (苏鹤州)
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  10. Ya-ming Shi  (史亚鸣)
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Corresponding author

Correspondence to Jin-hui Peng  (彭金辉).

Additional information

Foundation item: Project(KKSY201503006) supported by Scientific Research Foundation of Kunming University of Science and Technology, China; Project(2014FD009) supported by the Applied Basic Research Foundation (Youth Program) of China; Project(51090385) supported by the National Natural Science Foundation of China

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Yang, B., Sun, J., Li, W. et al. Numerical modeling dynamic process of multi-feed microwave heating of industrial solution media. J. Cent. South Univ. 23, 3192–3203 (2016). https://doi.org/10.1007/s11771-016-3385-5

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  • DOI: https://doi.org/10.1007/s11771-016-3385-5

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