Brojo, Francisco Miguel Ribeiro ProençaAmaro, Telmo2015-06-252015-06-2520092009-08http://hdl.handle.net/10400.6/3626A numerical simulation software was developed for Hybrid Rocket Engines' performance studies. Two-dimensional gas flow, mass fraction and regression rate functions were developed and tested with H2 engine geometry. Program structure was prepared to determine three-dimensional gas flows, combustion characteristics and thrust curves.engmaster thesis