Fig. 1. Characteristic curve of a spring-energized static seal.
Fig. 1. Characteristic curve of a spring-energized static seal.
Fig. 2. A 3D model of spring-energized seal for finite element analysis.
Fig. 2. A 3D model of spring-energized seal for finite element analysis.
Fig. 3. Inner pressure applied to outer lining and casings.
Fig. 3. Inner pressure applied to outer lining and casings.
Fig. 4. Contact forces between the outer lining and upper/lower casings shown in the FE analysis results with respect to coil thickness.
Fig. 4. Contact forces between the outer lining and upper/lower casings shown in the FE analysis results with respect to coil thickness.
Fig. 5. Contact forces between outer lining and casings obtained from the case of 0.4 mm coil thickness.
Fig. 5. Contact forces between outer lining and casings obtained from the case of 0.4 mm coil thickness.
Fig. 6. Spring stiffness and related parameters.
Fig. 6. Spring stiffness and related parameters.
Table 1. Material properties used in FE analysis
Table 1. Material properties used in FE analysis
Table 2. Effect of coil thickness and number of coils
Table 2. Effect of coil thickness and number of coils
Table 3. Effect of the elastic modulus of spring
Table 3. Effect of the elastic modulus of spring
References
- Park, S. H., Shin, D. P., Bae, J. S., Rhee, H. J., Jung, H. G., Park, T. J., "Failure of mechanical seals in pumps for commercial ships", Proc. of KSTLE Autumn Conference, pp. 139-144, 2005.
- Jo, J. H., Rhim, Y. C., Lee, S. C., Kim, C. H., "Development of cryogenic test rig for ball-bearing and evaluation of the performance of the prototype ball-bearing of turbo pump", J. Korean Tribol. Lubr. Eng., Vol. 28, No. 4, pp. 167-172, 2012.
- Park, M. J., Jeon, S. M., Yoon, S. H., Kim, J. H., "Cryogenic leak test of LOX pump static seal", Aerospace Eng. Technol., Vol. 8, No. 1, pp. 73-81, 2009.
- Seok, H. S., Ha, T. W., "Prediction of annular type seal leakage using 3D CFD", J. Korean Tribol. Lubr. Eng, Vol. 25, No. 3, pp. 150-156, 2009.
- Kwak, H. D., Jeon, S. M., Kim, J. H., "Development of inter-propellant seal for high thrust turbo pump," J. Korean Tribol. Lubr. Eng., Vol. 24, No. 6, pp. 349-354, 2008.
- Gillen, P., "Verification of back-plate sealing performance against Li-infiltration and corrosion-induced damage based on the bayonet back-plate concept", Fusion Eng. Design, Vol. 82, No. 15, pp. 2601-2607, 2007. https://doi.org/10.1016/j.fusengdes.2007.06.041
- Matweb, http://www.matweb.com