スノージャムの粘性係数の測定

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  • Measurements of viscosity in snow jam

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Measurements of viscosity of snow jam (water-snow mixed liquid) were carried out using a unicylinder type viscometer in a room with a constant temperature, 0℃. In these experiments snow jam was made by changing the amount of snow from 10 to 100g in water, so that the total volume was kept at 500ml. ln the case where the speed of rotation of rotor was higher than 12 rpm, a slip occurred at a boundary between the snow and the rotor. Therefore, to determine the viscosity of snow jam, only the data of which the speed of rotation was slower than 12 rpm were used. From the experimental relationship between viscosity and shear rate, the property of snow jam showed the non-linear relation with characteristics of a non-Newtonian fluid.

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