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http://dx.doi.org/10.6108/KSPE.2019.23.1.015

CFD Simulation of Combustion and Extinguishment of Solid Propellants by Fast Depressurization  

Lee, Gunhee (Department of Chemical Engineering, Hanbat National University)
Jeon, Rakyoung (Department of Chemical Engineering, Hanbat National University)
Jung, Minyoung (Department of Chemical Engineering, Hanbat National University)
Shim, Hongmin (Agency for Defense Development)
Oh, Min (Department of Chemical Engineering, Hanbat National University)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.23, no.1, 2019 , pp. 15-23 More about this Journal
Abstract
In this study, an extinguishment model of a three-dimensional solid propellant rocket was developed by combustion and fast depressurization to control the thrust of a solid rocket. Computational fluid dynamics simulation was carried out to ascertain the change in flow patterns in the combustion chamber and the extinguishment process by using a pintle. An ammonium perchloride was used as the target propellant and the dynamic behavior of its major parameters such as temperature, pressure, and burning rate was predicted using the combustion model. The dynamic behavior of the combustion chamber was confirmed by fast depressurization from an initial pressure of 7 MPa to a final pressure of 2.5 MPa at a depressurization rate of approximately -912 MPa/s.
Keywords
Solid propellant; Computational Fluid Dynamics; AP; Fast Depressuization; Extinguishment;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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