Variant of general capillary method for measuring viscosities of unknown gases based on use of thermal mass-flowmeter section for direct measurement of pressure drops. In technique, flowmeter serves dual role, providing data for determining volume flow rates and serving as well-characterized capillary-tube section for measurement of differential pressures across it. New method simple, sensitive, and adaptable for absolute or relative viscosity measurements of low-pressure gases. Suited for very complex hydrocarbon mixtures where limitations of classical theory and compositional errors make theoretical calculations less reliable.


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    Titel :

    Measuring Viscosities of Gases at Atmospheric Pressure


    Beteiligte:
    Singh, Jag J. (Autor:in) / Mall, Gerald H. (Autor:in) / Hoshang, Chegini (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1987-10-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :