Paper Title:
Influence of Sensitive Cavity Structure on the Resolution of Fluidic Gyroscope
  Abstract

The flow distribution of fluidic gyroscope with three different cavities was researched when angular velocity ωi is input. Using Finite element method we calculated two-dimensional flow distribution of fluidic gyroscope with rectangular cavity and two streamlined cavity structures when ωi input. The results show that: with ωi increasing, the fluidic beam centers in three cavities have a more deviation on one side, while in two streamlined cavities it deviates obviously. When ωi is 10rad/s, velocity difference of two thermal wires in streamlined cavity 1 and cavity 2 increase 42.59% and 59.30% respectively compared with rectangular cavity, velocity and y-axial velocity of two thermal wires in streamlined cavity 1 are smaller than rectangular cavity but larger than streamlined cavity 2, but x-axial velocity of two thermal wires in streamlined cavity 1 are smaller than other two cavities, and so is ωi = 15rad/s. It also shows that velocity difference between two thermal wires in streamlined cavity 1 is larger than others, and temperature difference is larger, which can improve the resolution of fluidic gyroscope. This article has laid a theoretical foundation to further enhance performance of fluidic gyroscopes.

  Info
Periodical
Chapter
Chapter 10: Mechatronics and Control Technology
Edited by
Huawu Liu, Yongxin Yang, Shijie Shen, Zhili Zhong, Laijiu Zheng and Peng Feng
Pages
1558-1561
DOI
10.4028/www.scientific.net/AMM.268-270.1558
Citation
B. L. Zhang, L. H. Piao, J. Tang, C. Z. Mei, "Influence of Sensitive Cavity Structure on the Resolution of Fluidic Gyroscope", Applied Mechanics and Materials, Vols. 268-270, pp. 1558-1561, 2013
Online since
December 2012
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Price
$35.00
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