Effect of nose-cone shape on impact and ricocheting of a cannonball colliding with sea surface

Han Seok Bang, Soung Min Chung, Jae Won Jeon, Woo Chun Choi, Hae Suk Lee, Yeon Sik Cho

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

When a cannonball collides with sea water, the resulting impact force influences the cannonball trajectory, depending on launching angle, initial firing speed, incident angle, and cannonball nose-cone shape. In this study, the effect of nose-cone shape of a cannonball on impact and ricocheting behavior was investigated. During collision, the flow is assumed to be non-viscous and incompressible, and a source panel method is used to determine velocity potential and pressure coefficient. The nose-cone shape was expressed by Haack-series. It is found that as the radius of curvature of a cannonball nosecone decreases, a high impact force is resulted, and that the ricocheting distance varies depending on impact force and impulse. The results obtained in this study can be used in developing new cannonballs.

Original languageEnglish
Title of host publicationProceedings of the IASTED International Conference on Applied Simulation and Modelling, ASM 2012
Pages119-125
Number of pages7
DOIs
Publication statusPublished - 2012
Event20th IASTED International Conference on Applied Simulation and Modelling, ASM 2012 - Napoli, Italy
Duration: 2012 Jun 252012 Jun 27

Publication series

NameProceedings of the IASTED International Conference on Applied Simulation and Modelling, ASM 2012

Other

Other20th IASTED International Conference on Applied Simulation and Modelling, ASM 2012
CountryItaly
CityNapoli
Period12/6/2512/6/27

Keywords

  • Cannonball
  • Collision
  • Drag coefficient
  • Haack-series
  • Impact
  • Impulse
  • Lift coefficient
  • Nose-cone
  • Ricochet
  • Shape Constant

ASJC Scopus subject areas

  • Modelling and Simulation

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  • Cite this

    Bang, H. S., Chung, S. M., Jeon, J. W., Choi, W. C., Lee, H. S., & Cho, Y. S. (2012). Effect of nose-cone shape on impact and ricocheting of a cannonball colliding with sea surface. In Proceedings of the IASTED International Conference on Applied Simulation and Modelling, ASM 2012 (pp. 119-125). (Proceedings of the IASTED International Conference on Applied Simulation and Modelling, ASM 2012). https://doi.org/10.2316/P.2012.776-021