Design, Test and Evaluation on the PSD with Thermal Barrier Type for Subscale Dual Pulse Rocket Motor

Kim, Jinyong; Kwon, Tae-Ha; Lee, Wonbok; Cho, Wonman; Lee, Bangeop; Yun, Namgyun; Rhee, Young‐Woo

doi:10.6108/kspe.2014.18.6.082

Cited by 2 publications

(4 citation statements)

References 2 publications

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“…Compare the formula calculation results with the numerical calculation results, we can find that the results are basically the same, and the formula calculated values are slightly higher than the numerical calculation values. This is because the propellant grain section strain is treated as a plane strain, ignoring the axial strain caused by the compression of the propellant grain, resulting in a small calculated value of the axial stress, and according to the three-dimensional stress-strain relationship in the elastic mechanics, the calculated value of the axial stress is too small, resulting in a large calculation of the circumferential strain, during the derivation of formula (4).…”

Section: Strain Analysis Under Different Gaps and Case Stiffnessmentioning

confidence: 99%

“…For this reason, many researchers have carried out numerical simulation research on the working process of PSD of dual-pulse motor. 3,4 When modeling soft PSD, they all consider EPDM materials as linear elastic or super elastic materials. EPDM is commonly used as a soft PSD for a dual pulse SRM.…”

Section: Introductionmentioning

confidence: 99%

“…Figure4. Comparison of circumferential strain variation trend of numerical calculation (Since the formula results have the same variation rule, it is not repeated here.…”

mentioning

confidence: 99%

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Experimental study on soft PSD material of dual pulse solid rocket motor

Wang

Tian²,

Wang³

et al. 2020

Proceedings of the Institution of Mechanical Engineers, Part G:

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In order to study the failure reason of the soft PSD in the dual pulse solid rocket motor (SRM), the deformation process of the intermediate section of the second pulse combustion chamber was simplified to the two-dimensional plane strain state, and the calculation method of the circumferential strain of the soft PSD was obtained. The influencing factors of the circumferential strain of the soft PSD were studied. The main factors affecting the circumferential strain of the soft PSD are the gap between the soft PSD and the propellant grain, and the circumferential strain on the inner surface of the propellant grain. The calculation method could be used to initially estimate the circumferential strain of the soft PSD, and then predict the rationality and feasibility of the design scheme. The apparent morphology and area change rate of EPDM materials of PSD under different strains were studied by DIC tensile test. The variation of the porosity of the EPDM material with the increase of strain was obtained by micro-CT. By comparing the SEM results of the fracture and the slit of the tensile test piece, the failure mode of the EPDM material of PSDs was determined, and the failure mechanism of the PSD structure was obtained. The conclusions obtained in this paper can provide a useful reference for the design of the PSD in dual pulse SRM.

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Section: Strain Analysis Under Different Gaps and Case Stiffnessmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Experimental study on soft PSD material of dual pulse solid rocket motor

Wang

Tian²,

Wang³

et al. 2020

Proceedings of the Institution of Mechanical Engineers, Part G:

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“…There are three types of lateral thrusters: impulse, open, and shutter. Examples of applications of these types include PAC-3 MSE, S-400, and Aster, respectively [6].…”

Section: Introductionmentioning

confidence: 99%

High-Altitude Terminal Control of Anti-Air Missiles With a Terminal Booster and Front Lateral Impulse Thrusters

Jeon,

Kang,

Park

et al. 2024

IEEE Trans. Aerosp. Electron. Syst.

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We propose a high-altitude terminal control scheme for anti-air missiles that uses a terminal booster and one-off front lateral impulse thrusters. The terminal booster does not have an actuator such as thrust vector control, and the front lateral thrusters are cheaper and simpler than the Divert Attitude Control System while providing a faster response than aerodynamic control at high altitudes. The proposed scheme includes a quaternion-based vector-oriented control technique and a firing logic for the front lateral thrusters. The control technique calculates the moment command to track the thrust vector command converted from the acceleration command, which has the advantage that a singularity of Euler angles does not occur. Then, the firing logic using a greedy algorithm selects which unexpired front lateral thrusters to fire so that the direction and magnitude of the moment command can be tracked as closely as possible for the inevitable error due to the discreteness of the front lateral thrusters. Simulations of high-altitude engagement of moving targets were conducted to analyze the performance of the proposed scheme.

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Design, Test and Evaluation on the PSD with Thermal Barrier Type for Subscale Dual Pulse Rocket Motor

Cited by 2 publications

References 2 publications

Experimental study on soft PSD material of dual pulse solid rocket motor

Experimental study on soft PSD material of dual pulse solid rocket motor

High-Altitude Terminal Control of Anti-Air Missiles With a Terminal Booster and Front Lateral Impulse Thrusters

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