Effect of Fuel Properties on the Combustion of Storable Bipropellants: Alkanes, Ethanol With Hydrogen Peroxide

Riaud, Nicolas; Boust, Bastien; Bellenoue, Marc

doi:10.1615/intjenergeticmaterialschemprop.2019028347

Cited by 6 publications

(1 citation statement)

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“…Preliminary fire tests using a 200-N class engine have also been recently documented at TNO by Mayer and Wieling [19], while thorough investigations with impinging jets in a lab-scale burner in a non-hypergolic configuration were conducted by Indiana et al [20]. Other relevant results include combustion studies at Prime Institute of Poitiers on hydrogen peroxide in combination with ethanol, iso-octane and n-decane [21], as well as the 40-N thruster based on the 98%-HTP/propyne couple proposed in the framework of the FP7-PULCHER (Pulsed Chemical Rocket with Green High Performance Propellants) project [22].…”

Section: Introductionmentioning

confidence: 94%

Evaluating New Liquid Storable Bipropellants: Safety and Performance Assessments

Carlotti

Maggi

2022

Aerospace

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Conventional storable bipropellants make use of hydrazine and its derivatives as fuels and nitrogen tetroxide as an oxidizer. In recent years, the toxicity character of these chemicals pushed the propulsion community towards “green” alternatives. Several candidates have been proposed among existing and newly developed chemicals, highlighting the need for a common and robust selection methodology. This paper aims at reviewing the most important selection criteria in the field of toxicity and discusses how to objectively define a green propellant, considering both the health and environmental hazards caused by the chemicals. Additionally, consistent figures of merit in the field of safety and handling operations and performance are proposed. In particular, operating temperatures, flammability and stability issues are discussed in the framework of physical hazards and storage requirements, while vacuum impulses, adiabatic flame temperature and sooting occurrence of the investigated couples are compared to the UDMH/NTO benchmark case. Hydrogen peroxide and nitrous oxide, and light hydrocarbons, alcohols and kerosene are selected from the open literature as promising green oxidizers and fuels, respectively. The identified methodology highlights merits and limitations of each chemical, as well as the fact that the identification of a universally best suited green couple is quite impractical. On the contrary, the characteristics of each propellant lead to a scenario of several “sub-optimal” couples, each of them opportunely fitting into a specific mission class.

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