Diode Laser Ignition of a Poly(Methyl Methacrylate) and Gaseous Oxygen Hybrid Motor

Dyrda, David; Mechentel, Flora S.; Cantwell, Brian; Karp, Ashley C.; Rabinovitch, Jason; Jens, Elizabeth T.

doi:10.2514/1.b37832

Cited by 9 publications

(1 citation statement)

References 16 publications

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“…A Stanford research group investigated diode laser ignition for hybrids with GOX and different fuels using ABS and PVC in a conventional, cylindrical configuration. Despite high ignition delay times and repeatability issues, successful ignition and restarts were demonstrated in both ambient and vacuum chamber conditions [25]. Catalytic decomposition of the hydrogen peroxide was used in the HYPROGEO project, aiming to develop an end-burning hybrid for the GEO transfer stage [7].…”

Section: Ignition Methods For In-space Hybridsmentioning

confidence: 99%

Testing of the N2O/HDPE Vortex Flow Pancake Hybrid Rocket Engine with Augmented Spark Igniter

Palacz,

Cieślik

2023

Aerospace

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The paper is part of the research aimed at determining if the vortex flow pancake (VFP) hybrid rocket engine is feasible as green in-space chemical propulsion. The objective of this study is to test an N2O/HDPE VFP hybrid ignited with N2O/C3H8 torch igniter. The N2O is used in self-pressurizing mode, which results in two-phase flow and varying inlet conditions, thus better simulating real in-space behavior. The study begins with characterizing the torch igniter, followed by hot-fire ignition tests of the VFP. The results allow for the improved design of the torch igniter and VFP hybrid. The axial regression rate ballistic coefficients are reported for the N2O/HDPE propellants in the VFP configuration.

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Section: Ignition Methods For In-space Hybridsmentioning

confidence: 99%