Computational Method And Experimental
Measurement Of Gun Tube Flow Heat Transfer
Author(s)
F. Seller, K. Zimmermann, J. Raupp & G. Mathieu
Abstract
In the present study, the action of the hot and compressed propellant gas flow
inside the barrel of a powder gun on heat transfer and barrel erosion has been
investigated (1) theoretically using a boundary layer & ablation model developed
at ISL and (2) experimentally measuring bore temperature and bore surface
erosion in ISL's 60-mm-caliber erosion-gun. For theoretical description, an in-
bore boundary layer model was developed using some basic assumptions for the
interior gun tube flow. Prandtl's boundary layer equations were applied to solve
the unsteady, compressible and turbulent boundary layer development for
discrete projectile locations. Melting erosion at the inner surface is taken into
account in this int
Keywords
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