Volume 39 Issue 9
Sep.  2013
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Zhang Rui, Wu Shuai, Jiao Zongxiaet al. Dynamic modeling and optimization of a typical disk-type check valve[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(9): 1197-1202. (in Chinese)
Citation: Zhang Rui, Wu Shuai, Jiao Zongxiaet al. Dynamic modeling and optimization of a typical disk-type check valve[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(9): 1197-1202. (in Chinese)

Dynamic modeling and optimization of a typical disk-type check valve

  • Received Date: 09 Apr 2013
  • Publish Date: 30 Sep 2013
  • The characteristics of disk-type check valve are particularly sensitive to its reed parameters. Taking a typical reed with three curved-beams as an example, a general modeling and optimization method was investigated to improve the valve dynamic performances. An interpolation model of the reed relating to its beam width, radian and thickness was derived based on the deformation theory of curved-beams. The model parameters were obtained via finite elements method. Based on the reed model, a dynamic model of the check valve was built. With a sinusoidal pressure input, the reed parameters were optimized for the largest net flow rate output via the particle swarm optimization method. With the raise of frequency, the best reed thickness increases, but the net flow rate decreases. The experimental results of the valve match well with those of simulation. The above method is simple but practical, which contributes to the reasonable design of disk-type check valves in engineering.

     

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