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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 9, Number 4
BKCSDE 9(4)
April 20, 1988

Title	A Paradigm for the Viscosity of Fluids
Author	Wonsoo Kim*, Tong-Seek Chair, Hyungsuk Pak
Keywords
Abstract	A new paradigm for the viscosity of fluid is presented by considering the fact that the viscosity is equal to the shear stress divided by the shear rate. The shear stress is obtained from the sum of kinetic and internal pressures of fluid, and the shear rate is found from the phonon velocity divided by the mean free path of the phonon. The calculated viscosities for various simple substances are in excellent agreements with those of the observed data through the wide temperature range covered both of liquid and gas phase.
Page	213 - 217
Full Text	PDF

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