한국수소및신에너지학회논문집 (Transactions of the Korean hydrogen and new energy society)

  • 제26권6호
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  • Pages.581-589
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  • 2015
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  • 1738-7264(pISSN)
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  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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고압 석탄 가스화기용 액상 이산화탄소의 점성측정 방법비교에 관한 연구

Comparison of Viscosity Measurement of a Liquid Carbon Dioxide Used for a High-Pressure Coal Gasifier

  • 투고 : 2015.11.10
  • 심사 : 2015.12.30
  • 발행 : 2015.12.30
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초록

In this study, the viscosity of a liquid carbon dioxide ($LCO_2$) that can potentially be used in a wet feed coal gasifier was evaluated. A pressurized capillary viscometer was employed to obtain the viscosity data of $LCO_2$ using two different methods. During the first method, the measurements were conducted under quasi-steady and high pressure flow conditions where two-phase flow was greatly minimized. The viscosity of $LCO_2$ was determined using turbulent friction relationship. At the second flow condition where unsteady flow is induced, the viscosity of $LCO_2$ was measured using the half-time pressure decay data and was further compared with values calculated by the first method.

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참고문헌

  1. J. Dooher, J. Phillips. Program on technology innovation: advanced concepts in slurry-fed low-rank coal gasification liquid $CO_2$/coal slurries and hot water drying, EPRI report, Dooher Institute, 2006.
  2. C. Botero The phase inversion-based coal-CO2 slurry (PHICCOS) feeding system: design, coupled multiscale analysis, and technoeconomic assessment, Ph.D. dissertation, MIT, 2014.
  3. C. Botero, R.P. Field, H.J. Herzog, A.F. Ghoniem, Coal-$CO_2$ slurry feed for pressurized gasifiers: slurry preparation system characterization and economics. Energy Procedia 37, 2013, pp. 2212-2214. https://doi.org/10.1016/j.egypro.2013.06.101
  4. C.Y. Kim, H.D. Kim, J.H. Song. Spray characteristics of a coal slurry with liquid carbon dioxide, Trans. of the Korean Hydrogen and New Energy Society l26, 2015, pp. 357-362.
  5. V. Vesovic, W.A. Wakeham, G.A. Olchowy, J.V. Sengcrs, J.T.R. Watson, J.J. Millat, Phys. Chem. Ref. Data 19, 1990, p. 763. https://doi.org/10.1063/1.555875
  6. NIST database, Thermophysical properties of fluid systems. available online, http://webbook.nist.gov/chemistry/fluid/
  7. A. Padua, W.A. Wakeham, and J. Wilhelm, The viscosity of liquid carbon dioxide, International Journal of Thermophysics 15, 1994, p. 1. https://doi.org/10.1007/BF01439245
  8. A. Fenghour, W.A. Wakeham, V. Vesovic, The viscosity of carbon dioxide, J. Phys. Chem. Ref. Data 27, 1998, pp. 31-44. https://doi.org/10.1063/1.556013
  9. P.S. Van der Gulik, M.E. Kharraz, The viscosity of liquid carbon dioxide, International Journal of Thermophysics 16, 1995, p. 1.
  10. D.E. Diller, M.J. Bali, Shear viscosity coefficients of compressed gaseous and liquid carbon dioxide at temperatures between 220 and 320 K and at pressures to 30 MPa. International Journal of Thermophysics 6, 1985, pp. 619-629. https://doi.org/10.1007/BF00500334
  11. A. Michels, A. Botzen, W. Schuurman, Physica 23, 1957, p. 95. https://doi.org/10.1016/S0031-8914(57)90708-5
  12. S.A. Ulybin, W.I. Makarushkin, Proceedings of the 7th Symposium on Thermophysical Properties, edited by A. Cezairliyan (American Society of Mechanical Engineers, New York; 1977, p. 678.
  13. B.B. Maini, S.L. Kokal, A novel transient pulse viscometer for fluid viscosities at high pressures and elevated temperatures, Review of Scientific Instruments 62, 1991, pp. 2742-2747. https://doi.org/10.1063/1.1142208
  14. F.M. White. Fluid mechanics, Second edition, McGraw Hill; 2001.
  15. S.L. Kokal, B. Habibi, and B.B. Maini, Novel capillary pulse viscometer for non-Newtonian fluids, Review of Scientific Instruments 67, 1996, pp. 3149-3157. https://doi.org/10.1063/1.1147438
  16. S.E. Haaland, Simple and explicit formulas for the friction factor in turbulent pipe flow, J. Fluids Eng., 1983, pp. 89-90.