Design and experimental research of a sub-Newton N2O monopropellant thruster with inner-heater

Li, Kaiyang; Fang, Jie; Sun, Wei; Sun, Bing; Cai, Guobiao

doi:10.1016/j.cja.2021.11.023

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Nitrous Oxide1

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“…Nitrous oxide exothermic decomposition into N 2 (∼66 wt.%) and O 2 (∼34 wt%) yields flame temperatures in the region of ∼1900 K (see Table 1). Thermal decomposition of the oxidizer occurs at temperatures of around 793 K, while a list of the possible catalysts for N 2 O decomposition is given in [100][101][102][103]. Further considerations on N 2 O physical properties are included and referenced in [104].…”

Section: Nitrous Oxidementioning

confidence: 99%

Test Activities on Hybrid Rocket Engines: Combustion Analyses and Green Storable Oxidizers—A Short Review

2023

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Hybrid rocket engines (HREs) offer a low-cost, reliable, and environmentally friendly solution for both launch and in-space applications. Hybrid propellants have been identified as green thanks to their use of non-toxic, non-carcinogenic oxidizers. Of particular relevance are storable oxidizers, namely high-concentration (≥90 wt.%) hydrogen peroxide (HP, H2O2) and nitrous oxide (N2O). This work provides a survey of experimental activities based on H2O2 and N2O for hybrid rocket propulsion applications. Open literature data are completed with original thermochemical calculations to support the discussion.

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