Shan Tao

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—This paper presents a new method of value identification of pointer-type pressure gauges based on machine vision, by which an automatic calibration system can be designed. Hough Transformation, image subtraction and image thinning technique are employed to obtain the coordinate of the pointer rotating center. Through removing the pixels data outside of the(More)
A fluidic flowmeter capable of measuring liquid flow rate in the micro-channel on the basis of the jet oscillation technology is presented. FLUENT is employed and numerical simulation is carried out to analyze the model of the micro-channel fluidic flowmeter, through which to study the characteristic and principle of the fluidic oscillation, optimize the(More)
For the difficulties of obtaining the discharge coefficient of the Annubar Flowmeters at large diameters, some attempt were made to improve this meter based on the numerical simulation. Some researches were done on two flowmeters with different blockage ratio under the condition of fully developed fluid by using standard k-ε turbulence model. The(More)
CFD technology is employed to simulate the fluidic flowmeters. A modified structure, that with double-target and polygonal surface, is proposed. The Measurement Characteristics are compared with the other two fluidic flowmeters, named in the paper meter with single-target, meter with double-target and straight surface. The flow fields are illustrated. The(More)
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