Building a mathematical model describing the dome profile of a solid fuel engine case made from composite materials using winding technology
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https://doi.org/10.54939/1859-1043.j.mst.109.2026.146-153Keywords:
Solid fuel engine case made from composite material; Dome profile; Axial force; Nozzle radius.Abstract
With the advantage of high specific strength, composite materials are the first choice for manufacturing a solid fuel engine case to increase the engine's stuffing coefficient. The main problem for designing an engine case from composite materials is the problem of determining the dome profile of the engine case. To determine the dome profile based on continuum theory, the article focuses on building a general mathematical model describing the dome profile of the case with an internal thermal protection layer under internal pressure p and axial force. Using this mathematical model, the influence of axial force and nozzle radius on the dome profile of the engine case is analyzed. The results of the article are the basis for designing the case of a solid fuel engine from composite materials.
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