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Journal of the Brazilian Society of Mechanical Sciences and Engineering

Print version ISSN 1678-5878

Abstract

COSTA, Fernando de Souza  and  VIEIRA, Ricardo. Preliminary analysis of hybrid rockets for launching nanosats into LEO. J. Braz. Soc. Mech. Sci. & Eng. [online]. 2010, vol.32, n.4, pp.502-509. ISSN 1678-5878.  https://doi.org/10.1590/S1678-58782010000400012.

This work determines the preliminary mass distribution of hybrid rockets using 98% H2O2 and solid paraffin mixed with aluminum as propellants. An iterative process is used tocalculate the rocket performance characteristics and to determine the inert mass fractionfrom given initial conditions. It is considered a mission to place a 20 kg payload into a 300 km circular equatorial orbit by air launched and ground launched hybrid rockets usingthree stages. The results indicate total initial masses of about 7800 kg for a groundlaunched hybrid rocket and 4700 kg for an air launched hybrid rocket.

Keywords : hybrid rocket; paraffin; H2O2; nanosats; low Earth orbit (LEO).

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