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Coil design optimization for an induction evaporation process: Simulation and experiment

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Abstract

For the purpose of utilizing induction heating in the evaporation process, the effects of induction coil design and droplet size on induction heating efficiency are investigated. Electro-magnetic simulations with various induction coil designs were conducted to predict the electro-magnetic field distribution. The induction coils were fabricated in order to verify the simulation results under atmospheric evaporation test conditions. The electro-magnetic simulation results indicated that the magnetic field became widened around the Zn droplet when the size of the Zn droplet increased. This in turn attributed to the increase in induction heating energy efficiency. The energy efficiency of the induction coil with 4-windings was the highest among the 3-, 4-, and 5-windings induction coils. Energy efficiency tendencies derived by the atmospheric evaporation tests corresponded well to the simulation results, and maximum energy efficiency was measured to be 42% under the atmospheric evaporation tests.

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Authors and Affiliations

  1. Department of Materials Engineering, Korea Aerospace University, Goyang, Korea

    Joung Hyun La, Ki Tae Bae & Sang Yul Lee

  2. Research Center, Vector Fields Korea, Inc., Pohang, Korea

    Myung Kon Song

  3. POSCOTE-D Project Department, POSCO Technical Research Laboratories, Pohang, Korea

    Kyung Hoon Nam & Yong Hwa Jung

Authors
  1. Joung Hyun La
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  2. Ki Tae Bae
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  3. Sang Yul Lee
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  4. Myung Kon Song
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  5. Kyung Hoon Nam
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  6. Yong Hwa Jung
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Corresponding author

Correspondence to Sang Yul Lee.

Additional information

Joung Hyun La obtained his M.Sc. degree in Material Engineering in 2013 from the Korea Aerospace University (KAU). He is currently a graduate student in KAU. His research interests focus on thin film coating processes and on the characteristics evaluation of films such as the microstructure, the adhesion, and corrosion resistance. His Ph.D. project aims to develop a high-performance functional coating for steels.

Sang Yul Lee received his Ph.D. in Materials engineering from the Illinois Institute of Technology in 1988. From 1991 to 1993, he worked at Korea Instutute of Machinery & Materials as a Senior Researcher, focused on the nondestructive testing. Since 1993, he has been a Professor at the department of material engineering of the Korea Aerospace University. He is the Director of the Center for Surface Technology and Applications. His research interests cover various areas of coating technologies and catalysis with a focus on applications in the automotive and fuel cell industries.

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La, J.H., Bae, K.T., Lee, S.Y. et al. Coil design optimization for an induction evaporation process: Simulation and experiment. J Mech Sci Technol 30, 4417–4421 (2016). https://doi.org/10.1007/s12206-016-0904-0

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  • DOI: https://doi.org/10.1007/s12206-016-0904-0

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