Closed Vessel Combustion of Stick Propellant.
Abstract
Combustion of slotted single-perforated stick, triple base, M31-type propellant was studied in a closed vessel environment. The primary objective of these studies was to provide information for the characterization of stick propellants. Burning rates were determined as a function of propellant stick lengths, igniter configurations, and closed bombs with different length-to- diameter ratios. Low pressure burning rates were obtained from strand burner tests to eliminate possible variability in the extrapolation from the burning rate curve obtained from closed bombs. Studies of changes in the effective burning surface area of the propellant were performed in terms of vivacity. Orientation of the propellant sticks appeared to change the initial vivacity values and thereby, the effective burning surface area. With random orientation of the propellant sticks, burning rates obtained were higher than those obtained from the stacked orientation. This may be due to change in the ignition gas flow patterns over the propellant bed.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1984
- Accession Number
- ADA147802
Entities
People
- Aaron Grabowsky
- David Downs
- Donald Chiu
Organizations
- United States Army Armament Research, Development and Engineering Center