Viscosity of Dense Fluids

Stephan, Karl; Lucas, Klaus

doi:10.1007/978-1-4757-6931-9

Cited by 188 publications

(135 citation statements)

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“…Unsurprisingly, the vast majority of researchers (165 papers, 504 data points) have measured only the value of the liquid viscosity at atmospheric pressure mostly around room temperature, although some of the measurements extend to higher temperatures. Appendix A also contains a short list of reference works [206][207][208] that report recommended tabulated values of the viscosity of cyclohexane. Not all the papers 207 provide information on what experimental data were used to generate the tables.…”

Section: Experimental Viscosity Datamentioning

confidence: 99%

“…Not all the papers 207 provide information on what experimental data were used to generate the tables. [206][207][208] Following the recommendation adopted by the IUPAC Subcommittee of Transport Properties [now known as The International Association for Transport Properties (IATP)], a critical assessment of the experimental data was performed to classify the data as primary and secondary. For this purpose, we used a set of well-established criteria 209 that among other things classify primary data as data obtained with an experimental apparatus for which a complete working equation is available and for which a high precision in measuring the viscosity has been achieved.…”

Section: Experimental Viscosity Datamentioning

confidence: 99%

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Reference Correlation of the Viscosity of Cyclohexane from the Triple Point to 700 K and up to 110 MPa

Tariq

Jusoh

Riesco

et al. 2014

Journal of Physical and Chemical Reference Data

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Section: Experimental Viscosity Datamentioning

confidence: 99%

Section: Experimental Viscosity Datamentioning

confidence: 99%

Reference Correlation of the Viscosity of Cyclohexane from the Triple Point to 700 K and up to 110 MPa

Tariq

Jusoh

Riesco

et al. 2014

Journal of Physical and Chemical Reference Data

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show abstract

“…Two phase choked flows could be grouped for several geometries and multiple fluids (64)(65)(66) , free jet flows through tubes with Borda and sharp edge inlets (67_,68) , circular, square, rectangular and triangular inlet geometries ( 69) , and for choked flows of gases a general relation was developed for tubes, annular and tapered convergent annular flows ( 70) .…”

Section: Toward a Generalized Transformmentioning

confidence: 99%

“…The reader may also be interested to note a separate, independent work (69) . Gases Equation (24) for thermal conductivity is an even more valid approximation for viscosity in the form…”

Section: Saturated Vapormentioning

confidence: 99%

The technological importance of accurate thermophysical property information

Sengers¹,

Klein²

1980

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6, 1979. The session was organized by the Committee on Thermophysical Properties (Committee K-7) of the Heat Transfer Division of the ASME. The mandate of this committee is to encourage scientific research in the field of thermophysical properties and to facilitate the flow of information from science to engineering so as to provide the engineering community with an adequate base for thermophysical property information.Of particular concern to the committee are the complications that arise from lack of communication between the users and generators of thermophysical property information. The user may have access to a computer program yielding thermophysical property values, but often does not know to what extent this information is reliable. As a consequence the technological decisions may unknowingly be affected by a lack of accuracy of the thermophysical property information used in the analysis.To call attention to these problems, the committee organized a session devoted to a discussion of the importance of accurate thermophysical property information for technology. The committee is convinced that this issue deserves wider recognition in the engineering community and expresses its appreciation to the National Bureau of Standards for its willingness to publish the proceedings of the meeting. Jan V. Sengers, Chairman Committee K-7 Heat Transfer Division, ASME iii ABSTRACT These papers were presented at a meeting of the American Society of Mechanical Engineers. The meeting session addressed the role of the accuracy of thermophysical properties data in a number of applications areas.The areas covered included aerospace sciences, where such data have played a central role for a number of years; and geosciences, where first steps are being taken toward using accuracy in describing systems in terms of thermophysical properties. Also included were a discussion of the economic value of accuracy in the chemical process industry, a description of the role of data centers, and a description of several high-»quallty data compilations. An example of a specific problem in the design of a heat exchanger for geothermal applications was also presented with the design uncertainties produced by data in accuracies illustrated.

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“…At the present time, the approximate theory of Enskog 1 is the most usable for describing the viscosity of real gases. Several models for predicting the viscosity for dense gases and liquids are available in an abundance of literature with excellent reviews available by Reid et al, 2 Touloukian et al, 3 Stephan and Lucas, 4 and Viswanath & Natarajan, 5 and no theory available can predict the viscosity for both dense gases and liquids, much less the unusual viscosity behavior around the crtitical point. Some decoupled theories 6 had been applied to the critical viscosity with little success.…”

Section: Introductionmentioning

confidence: 99%

A Calculation for the Viscosity of Fluid at the Critical Point

2002

Bulletin of the Korean Chemical Society

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It is very difficult to measure the fluid viscosity at the critical point, there are seldom found experimental values of fluid viscosity at the critical point. Few theories can explain the critical viscosity quantitatively. A theory of viscosity previously proposed by authors 10 is applied to the fluid at the critical point. This theory can be simplified as a simple form with no adjustable parameters, allowing for easy calculation. Viscosities at the critical point for some substances have been calculated, and calculated results are satisfactory when compared with the observed values.

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Viscosity of Dense Fluids

Cited by 188 publications

References 0 publications

Reference Correlation of the Viscosity of Cyclohexane from the Triple Point to 700 K and up to 110 MPa

Reference Correlation of the Viscosity of Cyclohexane from the Triple Point to 700 K and up to 110 MPa

The technological importance of accurate thermophysical property information

A Calculation for the Viscosity of Fluid at the Critical Point

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