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Spray Formation of a Liquid Carbon Dioxide-Water Mixture at Elevated Pressures

Author

Listed:
  • Hakduck Kim

    (School of Mechanical Engineering, Pusan National University, Busan 46241, Korea)

  • Changyeon Kim

    (School of Mechanical Engineering, Pusan National University, Busan 46241, Korea)

  • Heechang Lim

    (School of Mechanical Engineering, Pusan National University, Busan 46241, Korea)

  • Juhun Song

    (School of Mechanical Engineering, Pusan National University, Busan 46241, Korea)

Abstract

Liquid carbon dioxide-assisted (LCO 2 -assisted) atomization can be used in coal-water slurry gasification plants to prevent the agglomeration of coal particles. It is essential to understand the atomization behavior of the water-LCO 2 mixture leaving the injector nozzle under various conditions, including the CO 2 blending ratio, injection pressure, and chamber pressure. In this study, the flash-atomization behavior of a water-LCO 2 mixture was evaluated with regard to the spray angle and penetration length during a throttling process. The injector nozzle was mounted downstream of a high-pressure spray-visualization system. Based on the results, the optimal condition for the effective transport of coal particles was proposed.

Suggested Citation

  • Hakduck Kim & Changyeon Kim & Heechang Lim & Juhun Song, 2016. "Spray Formation of a Liquid Carbon Dioxide-Water Mixture at Elevated Pressures," Energies, MDPI, vol. 9(11), pages 1-11, November.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:11:p:948-:d:82810
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    References listed on IDEAS

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    1. Jakobs, T. & Djordjevic, N. & Fleck, S. & Mancini, M. & Weber, R. & Kolb, T., 2012. "Gasification of high viscous slurry R&D on atomization and numerical simulation," Applied Energy, Elsevier, vol. 93(C), pages 449-456.
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    Cited by:

    1. Yuwen Fang & Xiao Ma & Yixiao Zhang & Yanfei Li & Kaiqi Zhang & Changzhao Jiang & Zhi Wang & Shijin Shuai, 2023. "Experimental Investigation of High-Pressure Liquid Ammonia Injection under Non-Flash Boiling and Flash Boiling Conditions," Energies, MDPI, vol. 16(6), pages 1-21, March.

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