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4 May 2019 Parameter Analysis of Dynamic Seal of Deep-sea Motor Based on Response Surface Method
Yi Zhang, Xiaodong Zhang, Lin Yang, Xin Yu
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Zhang, Y.; Zhang, X.; Yang, L., and Yu, X., 2018. Parameter analysis of dynamic seal of deep-sea motor based on response surface method. In: Liu, Z.L. and Mi, C. (eds.), Advances in Sustainable Port and Ocean Engineering. Journal of Coastal Research, Special Issue No. 83, pp. 590–596. Coconut Creek (Florida), ISSN 0749–0208.

This paper aims to improve the sealing performance of the dynamic seal used in the deep sea motor via numerical simulations and response surface method (RSM). The contact pressure of the seal for different compression ratio was analyzed, then the pumping effect of Kalsi seal was analyzed, and the leakage rate for the edge region was discussed. On this basis, the relationship between the objective functions and the seal design parameters were established by the second-order polynomial models using 30-group simulation results with four independent seal parameters. The analysis of variance shows that the precision of regression equations of the outer contact pressure and leakage rate is enough. Interaction analysis based on the four parameters and the objective functions also have been discussed. Contrary to the compression ratio and the hardness of the rubber, the amplitude and the number of the wave have minimal effect on contact pressure. However, the leakage rate increases with the increase of the number of wave and the amplitude of the wave, and the effect of the seal compression ratio and the hardness of rubber on the leakage rate is small.

©Coastal Education and Research Foundation, Inc. 2018
Yi Zhang, Xiaodong Zhang, Lin Yang, and Xin Yu "Parameter Analysis of Dynamic Seal of Deep-sea Motor Based on Response Surface Method," Journal of Coastal Research 83(sp1), 590-596, (4 May 2019).
Received: 4 December 2017; Accepted: 12 March 2018; Published: 4 May 2019
Deep-sea motor
design optimization
dynamic seal
response surface method
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