Ms. Jiayue Tao Profile

Jiayue Tao

at Hefei Univ of Technology

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Proceedings Article | 26 January 2016 Paper

Research on stability of nozzle-floating plate institution

Bin Huang, Jiayue Tao, Jiajing Yi, Shijing Chen

Proceedings Volume 9903, 99031C (2016) https://doi.org/10.1117/12.2211905

KEYWORDS: Sensors, Electronics, Analytical research, Palladium, MATLAB, Robotics, Precision measurement, Protactinium, Mathematical modeling, Turbulence

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In this paper, air hammer instability of nozzle-floating plate institution in gas lubricated force sensor were studied. Through establishment of the theoretical model for the analysis of the nozzle-floating plate institution stability, combined with air hammer stability judgment theorems, we had some simulation research on the radius of the nozzle, the radius of the pressure chamber, pressure chamber depth, orifice radius and the relationship between air supply pressure and bearing capacity, in order to explore the instability mechanism of nozzle-floating plate institution. For conducting experimental observations for the stability of two groups nozzle-floating plate institution, which have typical structural parameters conducted experimental observations. We set up a special experimental device, verify the correctness of the theoretical study and simulation results. This paper shows that in the nozzle-floating plate institution, increasing the nozzle diameter, reduced pressure chamber radius, reducing the depth of the pressure chamber and increase the supply orifice radius, and other measures is conducive to system stability. Results of this study have important implications for research and design of gas lubricated force sensor.

Proceedings Article | 26 January 2016 Paper

CFD simulation and optimization of the capillary throttling of air-flotation unit

Huang Bin, Jiajing Yi, Jiayue Tao, Rongsheng Lu

Proceedings Volume 9903, 99030L (2016) https://doi.org/10.1117/12.2211270

KEYWORDS: Capillaries, Performance modeling, Lead, Glasses, Rubidium, LCDs, Analytical research, Optimization (mathematics), Protactinium, Computer simulations

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With respect to orifice throttling or compensating, capillary throttling has following advantages: smaller mass flow rate and stronger anti-interference ability. This paper firstly gives the required average pressure of air-film when shipping a piece of LCD glass. Then, dimensional flow model of the capillary throttling of air-flotation unit is established. Based on the model, we firstly analyze the flowing process of the lubricated air through the capillary. Secondly, the pressure distribution equation of air-film is derived from the Navier−Stokes Equation. Furthermore, the approximate functional relations between model parameters and static characteristics of the air-film, such as mass flow rate, static bearing capacity, are obtained and then influence of the former on the latter is analyzed . Finally, according to the continuity of air flow, the function relation between model parameters and pressure of core nodes in the air-film is also derived. On foundation of theoretical analysis, the impacts of each model parameter on static characteristics of the air-film flow field, are respectively simulated and analyzed by CFD software Fluent. Based on these simulations and analysis, radius and length of the capillary, density of the gas supply orifices and other model parameters are optimized. Finally, the best unit model is acquired, which greatly improves the static working performance of air-film in air-flotation unit. Research results of this paper can provide guidance and basis for the design and optimization of air-flotation transporting system.

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