International Journal of Aerospace Engineering

Research Article

Solid Rocket Motor Design Using Hybrid Optimization

Figure 9

Grain cross section for regressive-progressive-regressive profile.
987402.fig.009a
(a) GL = 0 in
987402.fig.009b
(b) GL = 70 in
987402.fig.009c
(c) GL = 136 in
987402.fig.009d
(d) GL = 160 in