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Development of an In-House Code for Dry Tower of Heat Transfer Analysis in Hydrogen Purification System

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  • Sooin Kwon

    (School of Mechanical Engineering, Pusan National University, Busandaehak-ro 63beon-gil 2, Busan 46241, Geumjeong-gu, Republic of Korea
    School of Electronical Engineering, Pusan National University, Busandaehak-ro 63beon-gil 2, Busan 46241, Geumjeong-gu, Republic of Korea
    Sunbo Unitech R&D Center, 97, Centum jungang-ro, Busan 48058, Haeundae-gu, Republic of Korea)

  • Seongyong Eom

    (School of Mechanical Engineering, Pusan National University, Busandaehak-ro 63beon-gil 2, Busan 46241, Geumjeong-gu, Republic of Korea)

  • Jang-Sik Yang

    (Research Institute of Mechanical Technology, Pusan National University, Busandaehak-ro 63beon-gil 2, Busan 46241, Geumjeong-gu, Republic of Korea)

  • Gyungmin Choi

    (School of Mechanical Engineering, Pusan National University, Busandaehak-ro 63beon-gil 2, Busan 46241, Geumjeong-gu, Republic of Korea)

Abstract

The purity of hydrogen finally purified in the hydrogen purification process system is greatly influenced by the uniformity of the purification temperature of the dry tower. An in-house code that can be easily used by field designers has been developed to predict the capacity of the appropriate heat source and the time to reach the temperature of the dry tower. A code was developed to predict unsteady heat transfer using VBA. To verify the developed code, a grid independence test was performed, and finally, calculations were performed for two cases. The factor that influences the temperature history over time is the precise determination of values for the density, specific heat, and thermal conductivity of the heterogeneous materials composing the dryer tower. It was confirmed that the developed code well describes the actual test trend data of the regeneration process of adsorption and desorption, and it is judged that the code developed in the design process of various capacity systems will be effectively applied to the heat capacity calculation in the future.

Suggested Citation

  • Sooin Kwon & Seongyong Eom & Jang-Sik Yang & Gyungmin Choi, 2023. "Development of an In-House Code for Dry Tower of Heat Transfer Analysis in Hydrogen Purification System," Energies, MDPI, vol. 16(13), pages 1-13, June.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:13:p:5090-:d:1184627
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    References listed on IDEAS

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