Velocities of Reacting Boron Particles within a Solid Fuel Ramjet Combustion Chamber

Abstract

A 2D-laser doppler velocimeter was used to measure velocities of reacting boron (B) particles during the combustion of a metallised solid fuel slab inside a 20-combustion chamber. The solid fuel hydroxyl-terminated polybutadiene (HTPB) was enriched with B particles to increase its specific heat. To obtain information on the combustion process and on the movement of B particles, their velocities were measured. The experiments were performed at ambient pressure. The behaviour of the B particles concerning the exit velocities from the fuel slab has been discussed on the basis of the experimental results.