PENETRATION AND CRATERING.
Abstract
Progress is reported on theoretical and experimental investigations of the phenomena occurring in highvelocity impact. The work is divided into four projects as follows: 1. Investigation of energy distribution in high-velocity-impact cratering. 2. Investigation of flow and wave motion in high-velocity-impact cratering. Development of techniques for measuring wave propagation by means of piezoelectric transducers embedded in targets and by means of surface photography continued. An investigation was made of the closing of a subsurface hole during impact. The passage of waves and the subsequent deformation of material could be detected. A preliminary analysis of wave and particle velocities was used to obtain the pressure at the front as a function of depth. 3. Investigation of wave motion in a rod. 4. Investigation of impact in the velocity range of 10-50 km/sec using spray particles. A detection system for observing particle trajectories was completed and tested. A theoretical study of particle trajectories and luminosity was essentially completed.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 31, 1962
- Accession Number
- AD0609642