Gasdynamic Features in Solid Rocket Motors with Finocyl Grain during Ignition Transient

Details Gasdynamic Features in Solid Rocket Motors with Finocyl Grain during Ignition Transient Gasdynamic Features in Solid Rocket Motors with Finocyl Grain during Ignition Transient

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.563..479s&link_type=abstract

Proceedings of the Fifth European Symposium on Aerothermodynamics for Space Vehicles (ESA SP-563). 8-11 November 2004, Cologne,

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Scientific paper

Ignition transient of a solid rocket motor with finocyl geometry is simulated by means of an unsteady quasi-one-dimensional model and compared with experimental results. The analysis of the flowfield evolution is performed investigating the time history of pressure, temperature and the other main characteristics of the strongly unsteady flowfield inside the combustion chamber. The results obtained give a clear insight of the main fluid dynamic events characterizing the very beginning of the ignition transient. A complex gaseous-piston-like gasdynamic behavior is evidenced as well as the important driving role of the finocyl geometrical configuration of the grain.

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