<報文>トルク直接測定による外筒回転粘度計の試作

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  • トルク チョクセツ ソクテイ ニ ヨル ガイトウ カイテン ネンドケイ ノ シ
  • <Original Paper>Characteristics of Prototype Rotating Viscometer with Direct Measurement of Torque

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A prototype outer cylinder rotating viscometer with a direct measurement of torque exerting on the inner cylinder, was built and tested at room as well as at high temperatures. The following results are obtained : (1) Absolute value of torque exerted by viscous flow can be measured by means of a load cell or an electronic balance. (2) Measurement mechnism is quite simple and more stable than the other rotating viscometer for high temperature application. (3) There is a possibility of measuring the absolute value if the exact evaluation of torque including the end effect can be derived. (4) The viscometer is suitable for the measurement of the viscosity range from 10^0 to 10^3 dPas and at a temperature up to 1500℃.

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