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13 October 2008 Biological fluid rheological property test system based on cone plate speed attenuation method
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Abstract
In order to test the rheological property of biological fluid more simply and more accurately test, a cone plate speed attenuation method is put forward on the base of spinning cone plate method. The cone plate is firstly driven by an eddy coil to a preset value. Then the cone plate attenuates freely under the action of a fluid viscosity force. In the system, standard viscosity oil is applied to calibrate measurement parameters and thus to eliminate systematic errors. The system employs an upper computer and a lower microprocessor and adopts broadcast communication in a master/slave manner based on RS485 serial links. The microprocessor is a LPC2131 for measuring the angular speed and the angular acceleration of the cone plate and for controlling sampling and cleaning. The upper computer is programmed with the language of Visual c++ 6.0, for data processing, data storage and data displaying. The repeatability error of the system, in which the measurement is conducted with a standard non-Newtonian fluid, is 0.57%.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mu Zhou, Lianqing Zhu, and Mingli Dong "Biological fluid rheological property test system based on cone plate speed attenuation method", Proc. SPIE 7128, Seventh International Symposium on Instrumentation and Control Technology: Measurement Theory and Systems and Aeronautical Equipment, 71281N (13 October 2008); https://doi.org/10.1117/12.806727
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