Method and device for measuring viscosity of high-viscosity fluid
A fluid viscosity and high viscosity technology, applied in measuring devices, flow characteristics, instruments, etc., can solve the problems of difficult to measure effective viscosity and high effective viscosity, and achieve scientific and accurate test results, easy operation, and convenient disassembly and assembly.
Inactive Publication Date: 2012-01-04
SOUTH CHINA UNIV OF TECH +1
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Abstract
The invention discloses a method and device for measuring viscosity of a high-viscosity fluid. The device mainly comprises a high-viscosity fluid complete turbulence generation device, a rotating speed and torsion frequency conversion regulator, a temperature sensor, a data acquisition system and the like; a high shear rotor is directly driven by a motor; a high shear force is generated in high-speed rotation, so as to cause the high-viscosity fluid in a shear chamber to be fluidized, thus a complete turbulence is formed; and the viscosity of the high-viscosity fluid refers to a resistance resisting the fluid from deforming when the fluid is under the action of an external force, and seeing from the energy view, the viscosity of the high-viscosity fluid is energy dissipation essentially, namely the temperature rises due to heat generated by a friction action when the fluid is under the action of a high shear acting force, and the energy is dissipated in a heat manner. In the invention, by applying a temperature measuring method, an energy dissipation value of the viscosity of the high-viscosity fluid is measured and calculated after the high-viscosity fluid forms the complete turbulence in the high shear generation device; and an effective viscosity value of the high-viscosity fluid is further calculated by combining with other fluid dynamics parameters.
Application Domain
Flow properties
Technology Topic
Electric machineryEngineering +4
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