COMPARISON OF THE UNDERWATER POWER OF EXPLOSIVES IN SMALL CHARGES. X. DEVELOPMENT OF IMPROVED TEST PROCEDURES,
Abstract
Pentolite, HBX-1, and two other aluminized explosives were used to evaluate proposed improvements in the procedures for underwater evaluation of small charges. The study revealed the existence of a boostering problem in firing 1-lb charges of the secondary standard, HBX-1, and relation between lowered underwater output and lowered shock sensitivity. The several cases of failure to exhibit maximum underwater output seem to result chiefly from inadequacy of the boostering system used. However, the possible existence of a charge size effect on the shock wave energy needs additional study. A revised procedure for underwater evaluation of 1-lb charges is presented. Its main features are the use of pressed charges ( ca. 90% TMD), wherever possible, and of a truncated conical booster which covers the entire surface of the shocked face of the test charge cylinder. The revisions were made chiefly to obtain stronger boostering, but should also improve reproducibility of the experimental charges. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1966
- Accession Number
- AD0635089
Entities
People
- Charles R. Niffenegger
- Donna Price
- Thomas B. Heathcote
Organizations
- Naval Ordnance Laboratory