A Nonsimilar Solution for Blast Waves Driven by an Asymptotic Piston Expansion.
Abstract
An analytical technique is outlined for predicting the blast wave from a rapid but asymptotic expansion of an inner piston-like surface. The method more accurately describes real blasts compared to conventional point source models and agrees favorably with the exact method of characteristic solution for wave Mach numbers exceeding approximately 1.1. The method makes two a priori assumptions: (1) that the blast wave density can be described by a power law, and (2) that an equation exists for the motion of the driving piston. The present treatment extends the work of Bach and Lee, who assume a zero radius piston (i.e., a point source).
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1983
- Accession Number
- ADA130012
Entities
People
- Mark L. Bundy
Organizations
- Ballistic Research Laboratory