1 / 7

MAE 695-06

MAE 695-06. Penetrator Equations. 04/07/2008. The Young Penetrator Equation. C.W. Young, Sandia National Laboratories: For V ≥ 61 m/s For low weight penetrators, in “soft” material, modification to RHS of equation: Therefore,. The Young Penetrator Equation. LUNAR-A Deceleration.

gloria-mcintosh
Télécharger la présentation

MAE 695-06

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. MAE 695-06 Penetrator Equations 04/07/2008

  2. The Young Penetrator Equation • C.W. Young, Sandia National Laboratories: • For V ≥ 61 m/s • For low weight penetrators, in “soft” material, modification to RHS of equation: • Therefore,

  3. The Young Penetrator Equation

  4. LUNAR-A Deceleration Typical acceleration of a mass over a distance:

  5. LUNAR-A Deceleration

  6. Future Work • Open issues: • Lunar regolith – rock, soil, layering, … ? • Lunar regolith penetrability, S-number • LUNAR-A nose coefficient, N-number • Ks value, use, etc. • m/A scaling • Penetrator equations • AIAA Paper • Equations, S-number, N-number, absense of Ks? • Forrestal • NDRC (Joint Services Manual for the Design and Analysis of Hardened Structures to Conventional Weapons Effect) • Other?

  7. References • Young: • C.W. Young, “An Empirical Equation for Predicting Penetration Depth Into Soft Sediments,” IEEE, 1981. • C.W. Young, “Penetrator Equations,” Contractor Report, SAND97-2426, Unlimited Release, UC-705. • C.W. Young, “Simplified Analytical Model of Penetration with Lateral Loading: User’s Guide,” Contractor Report, SAND98-0978, Unlimited Release, UC-705. • Other: • Amy S. Lo, et al., “Penetrator Science – Making an Impact on Planetary Compositional Science,” AIAA 2006-7423.

More Related