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http://dx.doi.org/10.6108/KSPE.2018.22.2.038

Performance Study of Nozzleless Booster Casted to the High Density Solid Propellant with Zr as a Metal Fuel  

Khil, Taeock (PGM Tech R&D Lab, LIG Nex1 Co., Ltd.)
Jung, Eunhee (PGM Tech R&D Lab, LIG Nex1 Co., Ltd.)
Lee, Kiyeon (PGM Tech R&D Lab, LIG Nex1 Co., Ltd.)
Ryu, Taeha (PGM Tech R&D Lab, LIG Nex1 Co., Ltd.)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.22, no.2, 2018 , pp. 38-51 More about this Journal
Abstract
This study was carried out to improve the performance characteristics of nozzleless boosters that are used in ramjet boosters. A propellant using Zr as the metal fuel was developed, which provided a higher density than the propellant using Al as the metal fuel. The developed propellant was cast using the nozzleless booster and a ground test was carried out by varying the length-to-diameter ratio (L/D ratio) of the propellant. From a comparison between the performance characteristics of propellants using Zr and Al, it was proved that the performance of the propellant using Zr is higher than that of propellant using Al, except for the specific impulse, under all tested conditions. As the length-to-diameter ratio was increased, the specific impulse of the propellant using Zr was decreased by 88% compared with that of the propellant with Al. However, because of the density difference between the propellants, the impulse density of the propellant with Zr was higher than that of the propellant with Al under all tested conditions.
Keywords
Nozzleless Booster; Cylindrical Motor; Impulse Density; High Density Solid Propellant; Length-to-diameter Ratio;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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