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Burnback analysis is a geometric exercise, whose correct solution leads toobtaining the thrust curve of solid propellant rockets. Traditionally, Piobertstatement, which introduces a certain amount of intuition, is used as anargument to construct analytical and numerical algorithms, although it is alsocommon to use numerical integration of differential equations, whose solutionis free of ambiguities. This paper presents a detailed study of the processexperienced by the combustion surface that allows enunciating the properties ofthe kinematics of the surface without the need to appeal to heuristicconsiderations. Next, the methods used throughout the technological developmentof solid propellant rockets are reviewed, from their beginnings to modernmethods, which obtain solutions to complex problems, based on the numericalsolution of PDE. Other methods are also reviewed, which are developed aroundsome of the properties presented by the solution, that is, methods of heuristicor phenomenological foundation. As a result of the review, it becomes clearthat the solution of the Eikonal equation for burnback analysis is undertakenin the early 2000, clarifying the problem. Finally, several examples of thecapabilities of the most relevant methods are provided, from the point of viewof both efficiency and precision, presenting results in situations of interest,in the field of propulsion by solid-propellant rockets.

Burnback Analysis of Solid Propellant Rocket Motors