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Energies 2016, 9(11), 948; doi:10.3390/en9110948

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

School of Mechanical Engineering, Pusan National University, Busan 46241, Korea
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Academic Editor: Mehrdad Massoudi
Received: 6 September 2016 / Revised: 8 November 2016 / Accepted: 8 November 2016 / Published: 14 November 2016
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Abstract

Liquid carbon dioxide-assisted (LCO2-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-LCO2 mixture leaving the injector nozzle under various conditions, including the CO2 blending ratio, injection pressure, and chamber pressure. In this study, the flash-atomization behavior of a water-LCO2 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. View Full-Text
Keywords: coal gasification; flash atomization; liquid carbon dioxide (LCO2); water-LCO2 mixture; solubility coal gasification; flash atomization; liquid carbon dioxide (LCO2); water-LCO2 mixture; solubility
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kim, H.; Kim, C.; Lim, H.; Song, J. Spray Formation of a Liquid Carbon Dioxide-Water Mixture at Elevated Pressures. Energies 2016, 9, 948.

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