Centre for Modeling & Simulation
Savitribai Phule Pune University

Technical Report CMS-TR-20171005

Title Sabot discard: Effect of scoop shape
Author/s Sukratu Barve
Centre for Modeling and Simulation, Savitribai Phule Pune University, Pune 411 007 India
Abstract Separation of sabot petals is a critical procedure in intermediate ballistics affecting accuracy of the final hit of the penetrator of the fired ammunition round. Design of sabot petals has been an important concern supported by modeling and simulation studies of sabot separation. Computational fluid dynamics studies of the same have hitherto addressed feasibility of coupledfluid dynamics and 6 DOF simulations employing fixed sabot designs. The use of dynamical meshes for supersonic air flow is in its infancy as each simulation run for a given sabot geometry is highly computationally intensive. Good support can still be offered to sabot petal design by using analytical models, like the one by Reinecke and Guillot and its subsequent improvements. We presentand study an improved model which better captures the role of the sabot petal scoop. In particular, we study how changes in the shape of the scoop affects the sabot separation kinematics. The sabot assembly assumed to be axisymmetric in shape and other major design parameters are kept the same.
Keywords Ballistics, CFD
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Citing This Document Sukratu Barve , Sabot discard: Effect of scoop shape . Technical Report CMS-TR-20171005 of the Centre for Modeling and Simulation, Savitribai Phule Pune University, Pune 411007, India (2017); available at http://cms.unipune.ac.in/reports/.
Notes, Published Reference, Etc. Proceedings of the 30th International Symposium on Ballistics (2017) 0988-1000
Contact sukratu@cms.unipune.ac.in
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