• C.Venkateshwar Reddy
• Dr.P.Ramesh Babu
• K.Ramaswamy

Composite pressure vessels are widely used as rocket motor casings in high performance applications. Due to their high specific strength, stiffness, light weight and tailor made properties composite pressure vessels are fabricated with filament winding technique. Recent studies on hybrid composite shows better mechanical properties for carbon fiber- T700 composite. In the present study light weight prototype carbon composite rocket motor casing (CRMC) was designed and developed with hybrid resin system with carbon fiber-T700. The thickness of laminated structure at various portions are calculated by netting analysis. CRMCs are thin-walled pressure vessels with integrated end domes with varying sizes which are designed to withstand high pressure. In order to optimize the structural performance, CRMCs are designed with cylindrical portion with end domes. Various configurations of end domes profiles are designed for polar openings depending on the geometries of ignition end (IE) and nozzle end (NE).Burst pressure of composite casing is calculated based on classical laminate theory (CLT). A new method has been developed to analyze filament wound composite pressure vessels. In this method, the orthotropic engineering constants are computed on an element-by-element basis to accurately predict the structural response of a CRMC under internal pressure. In addition, 3D layered analyses of CRMC have been performed to predict the behavior of the structure.

CRMC, stiffness, hybrid resin, end domes, structural analysis, etc.

"STRUCTURAL DESIGN AND ANALYSIS OF COMPOSITE ROCKET MOTOR CASING (CRMC) FOR HIGH STRENGTH APPLICATIONS", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 6, page no.612-617, June-2018, Available :http://www.jetir.org/papers/JETIR1806094.pdf

"STRUCTURAL DESIGN AND ANALYSIS OF COMPOSITE ROCKET MOTOR CASING (CRMC) FOR HIGH STRENGTH APPLICATIONS", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 6, page no. pp612-617, June-2018, Available at : http://www.jetir.org/papers/JETIR1806094.pdf