An exact analysis of reservoir effects for rotational viscometers

J. S. Vrentas, D. C. Venerus, C. M. Vrentas

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An exact analysis of the reservoir effect for the flow of a Newtonian fluid in a parallel-plate rotational viscometer is presented. The determination of the velocity field and the torque involves the solution of a mixed boundary value problem. The analysis makes it possible to obtain accurate values of the viscosity of a fluid from torque measurements taken using a sample reservoir. The predictions of the exact solution are in good agreement with experimental data obtained using the parallel-plate geometry with a sample reservoir.

Original languageEnglish (US)
Pages (from-to)33-37
Number of pages5
JournalChemical Engineering Science
Issue number1
StatePublished - 1991

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering


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