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Title:
The Al and Al2O3 droplet cloud in solid rocket motors
Authors:
Price, E. W.; Sigman, R. K.
Affiliation:
AA(Georgia Inst. of Tech., Atlanta, GA.), AB(Georgia Inst. of Tech., Atlanta, GA.)
Publication:
In Johns Hopkins Univ., The 31st JANNAF CombustionSubcommittee Meeting, Volume 1 p 19-28 (SEE N95-31194 11-28)
Publication Date:
10/1994
Category:
Spacecraft Propulsion and Power
Origin:
STI
NASA/STI Keywords:
Aluminum, Aluminum Oxides, Drops (Liquids), Exhaust Clouds, Metal Combustion, Metal Propellants, Particle Size Distribution, Two Phase Flow, Burnout, Fragmentation, Oscillations, Solid Propellant Rocket Engines, Spatial Distribution, Vibration Damping
Bibliographic Code:
1994STIN...9531196P

Abstract

A discussion is presented of the current state of understanding and prediction of size and spatial distribution of aluminum and Al2O3 droplets in a motor. It is noted that available theory and experimental results are inadequate for prediction of two phase flow effects (e.g., slag formation, damping of oscillations), especially with propellants other than those based on AP and hydrocarbon binder. Potentially important phenomena that have received almost no attention include fragmentation of Al droplets near burnout, and growth of larger oxide droplets by accretion of fine 'smoke' droplets.
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Database: Astronomy
Physics
arXiv e-prints