A new correlation to predict the stability of liquid jet in dense carbon dioxide |
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| Authors: | Hyung Chul Hahm Bambang Veriansyah Jaehoon Kim Wan-Joo Kim Jae-Duck Kim Seong-Geun Oh Youn-Woo Lee |
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| Affiliation: | aEnergy and Environment Research Division, Korea Institute of Science and Technology (KIST), 39-1 Hawolgok-dong, Seongbuk-gu, Seoul 136-791, Republic of Korea;bDivision of Chemical & Bioengineering, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul 133-791, Republic of Korea;cSchool of Chemical & Biological Enginering, Seoul National University, San 56-1 Sillim-dong, Gwanak-gu, Seoul 151-744, Republic of Korea |
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| Abstract: | The stability of liquid jet of dichloromethane in dense carbon dioxide was investigated in an aerosol solvent extraction system (ASES). The stability experiments were carried out at pressures ranging 30–150 bar and a temperature of 308 K, with a nozzle size diameter of 0.254 mm. Interfacial tensions of dichloromethane–carbon dioxide system were measured using a capillary rise method to correlate the stability of liquid jets with a dimensionless number. A new dimensionless number, Z*, was proposed to define an atomization flow regime of the liquid jets in dense carbon dioxide. |
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| Keywords: | Correlation Jet Dense fluid Dimensionless number Interfacial tension |
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