In this paper, a seal with triangular cross section was proposed and its performance behavior under compression and various hydraulic pressures was analyzed through experimental and numerical methods. The seal was designed to have a 90 deg corner located near the extrusion gap while hydraulic pressure was applied at an inclination. With this design, it was found that even at hydraulic pressures of up to 18 MPa, the seal offered good fluid tight sealing capabilities without indications of extrusion failures. Such high pressure offers new possibilities for successful application of the seal in aircraft and rocket propulsion equipment. Moreover, the resistance of the seal against leakages was assured because measured contact stresses were greater than applied pressures. A numerical simulation through finite element analysis (FEA) showed that tilting of the delta ring even at angles of did not have any effect on the Von Mises stresses. The FEA results also demonstrated that the deformations and fringe patterns of delta ring were similar to the experimental results.
Experimental and Numerical Study of Performance Behavior of Triangular Seal Under High Hydraulic Pressure
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received June 15, 2017; final manuscript received December 26, 2017; published online February 20, 2018. Assoc. Editor: Hardayal S. Mehta.
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Mose, B. R., Lim, H., and Shin, D. (February 20, 2018). "Experimental and Numerical Study of Performance Behavior of Triangular Seal Under High Hydraulic Pressure." ASME. J. Pressure Vessel Technol. April 2018; 140(2): 021602. https://doi.org/10.1115/1.4039003
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