Investigation of the Effect of Axial Gap on the Mechanical Response of a Cartridge-Loaded CMDB Propellant Grain under Vibration Loads

Figure 15

Stress variation versus time of the top (position A) and bottom (position B) of the propellant grain with different radial gap sizes of (a) 0 mm, (b) 0.3 mm, (c) π mm, and (d) 2π mm.

(a)

(b)

(c)

(d)