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http://dx.doi.org/10.6108/KSPE.2019.23.1.033

A Study on the Steady-State Characteristics of Symmetric Pintle Nozzle with Varying Position of Pintle and Change in Altitude  

Jeong, Kiyeon (PGM Tech R&D Lab, LIG Nex1 Co., Ltd.)
Kang, Dong-Gi (PGM Tech R&D Lab, LIG Nex1 Co., Ltd.)
Jung, Eunhee (PGM Tech R&D Lab, LIG Nex1 Co., Ltd.)
Lee, Daeyeon (PGM Tech R&D Lab, LIG Nex1 Co., Ltd.)
Choi, JaeSung (PGM Tech R&D Lab, LIG Nex1 Co., Ltd.)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.23, no.1, 2019 , pp. 33-45 More about this Journal
Abstract
In this study, numerical simulations were performed to investigate the steady-state characteristics of a symmetric pintle nozzle by varying the position of the pintle and the altitude. The pintle nozzle shape was used in a linear pintle nozzle that had been analyzed prior to the study, and the boundary conditions of the chamber were considered to be according to the propellant burn-back characteristics. A software was used to perform a verification analysis of the square nozzle, pintle nozzle, and high-altitude conditions with an appropriate analytical technique. The pintle position had three different nozzle throat area conditions-: fully closed, half open, and fully open, and the altitude was set at 0, 5, and 20 km. The study compared the thrust, pintle drive load, and static stability at each condition.
Keywords
Divert Attitude Control System; Symmetric Pintle Nozzle; Static Stability; Drive Load;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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