Solute nucleation and growth in supercritical fluid mixtures

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This research effort is directed toward two primary scientific objectives: (1) to determine the gravitational effect on the measurement of nucleation and growth rates near a critical point and (2) to investigate the A nucleation process in supercritical fluids to aid in the evaluation and development of existing rheoretical models and practical applications. A nucleation pulse method will be employed for this investigation using a rapid expansion to a supersaturated state that is maintained for {approx}1 followed by a rapid recompression to a less supersaturated state that effectively terminates nucleation while permitting growth continue. Nucleation, which occurs during the initial ... continued below

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8 p.

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Smedley, G.T.; Rawlins, W.T. & Oakes, D.B. June 5, 1996.

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Description

This research effort is directed toward two primary scientific objectives: (1) to determine the gravitational effect on the measurement of nucleation and growth rates near a critical point and (2) to investigate the A nucleation process in supercritical fluids to aid in the evaluation and development of existing rheoretical models and practical applications. A nucleation pulse method will be employed for this investigation using a rapid expansion to a supersaturated state that is maintained for {approx}1 followed by a rapid recompression to a less supersaturated state that effectively terminates nucleation while permitting growth continue. Nucleation, which occurs during the initial supersaturated state, is decoupled from growth by producing rapid pressure changes. Thermodynamic analysis, condensation modeling, apparatus design, and optical diagnostic design necessary for the initiation of a theoretical and experimental investigation of naphthalene nucleation from supercritical CO{sub 2} have been completed.

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8 p.

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OSTI as DE96013889

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  • 3. microgravity fluid physics conference, Cleveland, OH (United States), 13-15 Jun 1996

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  • Other: DE96013889
  • Report No.: UCRL-JC--124287
  • Report No.: CONF-9606210--3
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 379112
  • Archival Resource Key: ark:/67531/metadc675699

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  • June 5, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • June 27, 2016, 1:19 p.m.

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Smedley, G.T.; Rawlins, W.T. & Oakes, D.B. Solute nucleation and growth in supercritical fluid mixtures, article, June 5, 1996; California. (digital.library.unt.edu/ark:/67531/metadc675699/: accessed June 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.