Cejas_Alumina_Slag_Capture_Propulsion_2025

Technical proposal for a passive slag capture system using textured silicon carbide (SiC) rings, applied to alumina-based solid rocket motors. The system is designed to trap molten Al₂O₃ particles downstream of the combustion zone through inertial impact, viscous adhesion, capillary action in micro‑grooves (20–100 µm), and subsequent solidification. Aimed at improving efficiency and nozzle lifespan in solid propellant motors such as those developed by CITEDEF (ORION, ESCALANTE). Estimated Isp improvement: 8–12%.

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-03-07
DOI
https://doi.org/10.5281/zenodo.18905804
Primary Topic
Rocket and propulsion systems research
Type
article
Field-Weighted Citation Impact
0.00
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article

Cejas_Alumina_Slag_Capture_Propulsion_2025

Cejas Gonzalez Sebastian Nahuel
Zenodo (CERN European Organization for Nuclear Research)
Rocket and propulsion systems research
article

Cejas_Alumina_Slag_Capture_Propulsion_2025

Cejas Gonzalez Sebastian Nahuel
article en

Abstract

Technical proposal for a passive slag capture system using textured silicon carbide (SiC) rings, applied to alumina-based solid rocket motors. The system is designed to trap molten Al₂O₃ particles downstream of the combustion zone through inertial impact, viscous adhesion, capillary action in micro‑grooves (20–100 µm), and subsequent solidification. Aimed at improving efficiency and nozzle lifespan in solid propellant motors such as those developed by CITEDEF (ORION, ESCALANTE). Estimated Isp improvement: 8–12%.

Zenodo (CERN European Organization for Nuclear Research)
Affordable and clean energy
Openalex Percentile: Top 32%
Rocket and propulsion systems research
DOIOpen Access PDFOpenAlex
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Cejas_Alumina_Slag_Capture_Propulsion_2025 — Cejas Gonzalez Sebastian Nahuel · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS