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A PREDICTION OF THE ABNORMAL BEHAVIOR IN THE VISCOSITY OF LIQUID WATER UNDER PRESSURE
Chair, Tong Seek,Kim, Won Soo 한국화학공학회 1993 Korean Journal of Chemical Engineering Vol.10 No.2
A phenomenological theory of viscosity proposed by authors was applied to Liquid water under high pressure. Thermodynamic properties used in the calculation were obtained by using the theory of liquid proposed by Pak [13]. The calculated viscosities decreased abnormally with increasing pressure. We found this behavior was due to the decrease of the absolute value of kinetic and internal pressure with the pressure increase near 273.15 K.
A Prediction of the Abnormal Behavior in the Viscosity of Liquid Water under Pressure
Chair, Tong Seek,Kim, Won Soo 한국화학공학회 1993 NICE Vol.11 No.6
A phenomenological theory of viscosity proposed by authors was applied to Liquid water under high pressure. Thermodynamic properties used in the calculation were obtained by using the theory of liquid proposed by Pak [13]. The calculated viscosities, decreased abnormally with increasing pressure. We a found this behavior was due to the decrease of the absolute value of kinetic and internal pressure with the pressure increase near 273.15K.
최동식 ( Tong Seek Chair ) 한국화학공학회 1979 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.17 No.1
The characteristics of complicated modern society may be treated similar to those of liquids, and the treatment might promise a new paradigm for a better world, which is called social thermodynamics. Introducing so called Roulette liquid model, the general system theory and thermodynamics will be reviewed briefly. With the concepts of simple types of structure units, the complicated society could be analyzed and explained quite successfully to support Dr. Field`s comparative political theory. In conclusion, it seems significant that scientific concepts as well as scientific approach are applied to solve the interdisciplinary problems, especially to the topics in social sciences.
A Calculation for the Viscosity of Fluid at the Critical Point
Kim, Won-Soo,Chair, Tong-Seek Korean Chemical Society 2002 Bulletin of the Korean Chemical Society Vol.23 No.11
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 authors10 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.
A Calculation for the Viscosity of Liquid Metals
Kim, Won-Soo,Chair, Tong-Seek Korean Chemical Society 1990 Bulletin of the Korean Chemical Society Vol.11 No.5
A phenomenological theory of viscosity which has been proposed by authors is applied to liquid metals for which the calculation is a severe test for liquid theories. The thermodynamic properties used in the calculations can be obtained by using the Roulette liquid theory. The calculated values of the viscosities for liquid metals are in good agreements with the observed values.
Viscosity of Liquids under High Pressures
Wonsoo Kim,Hyungsuk Pak,Tong-Seek Chair Korean Chemical Society 1990 Bulletin of the Korean Chemical Society Vol.11 No.1
By using Pak's theory of liquid, a phenomenological theory of viscosity proposed by the authors is applied to liquids under high pressures. The calculated viscosities for various simple substances are in good agreements with those of the observed values over wide pressure ranges.