Inertia effects of the fluid and cylinder in coaxial cylindrical rheometer |
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| Authors: | Zhang Jianbao Kuang Zhenbang |
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| Affiliation: | (1) Dept. of Physics, The Forth Military Medical University, 710032 Xi'an, China;(2) Dept. of Eng. Mechanics, Shanghai Jiaotong University, 200240 Shanghai, China |
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| Abstract: | ![]()
The inertias of the fluid and the inner cylinder in coaxial cylinder rheometer (CACR) have great influence on the unsteady flow of non-Newtonian fluid. Even for the Newtonian fluid there exist the so called “stress overshoot” phenomenon. In the present article this phenomenon was studied in detail and a method correcting the measured results for an unsteady flow in the rheometer was proposed. It is found that the inertia effect of the fluid can be ignored when the gap between cylinders is small. The project was supported by the Youth Foundation of the Fourth Military Medical University |
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| Keywords: | inertia rheometer fluid hemorheology |
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