Specific impulse and burning rate characteristics are the important properties for the propellant design. Because of the requirements for the preparation of ammonium perchlorate (AP)/hydroxyl-terminated polybutadiene (HTPB) composite propellant, there is an upper limit content, φ
of AP contained propellant. Specific impulse and burning rate increase with increasing the AP content. The specific impulse, I
spφ and the burning rate, r
φ of the propellant prepared at φ
, r
φ are the highest values of the propellant prepared with AP used as an oxidizer. It is necessary for the propellant design to estimate φ
, I
spφ and r
φ. The φ
, I
spφ and r
φ are closely associated with the specific surface area, S
wp measured by air-permeability method. Therefore, these values are estimated with S
wp. A process for the design of AP/HTPB composite propellant would be proposed in this study.
View full abstract