About this scholarly article

A numerical study of flare stabilized projectiles at Mach 7.0 by MONTGOMERY HUGHSON; GARY CHAPMAN is a scholarly article available to read on EtoBox.

The e f f e c t o f nose s h a p e on two f l a r e s t a b i l i z e d p r o j e c t i l e s was s t u d i e d u s i n g a P a r a b o l i a e d N a v i e r -S t o k e s c o d e . P r e s s u r e c o e f f i c i e n t s , f o r c e s and moments, 8 t h f r i c t i o n c o e f f i c i e n t s , and Stanton number c a l c u l a t i o n s are presented f o r t h e hemisphere-cy l i n d e r -f l a r e and the c o n e r y l i n d e r -f l a r e c o n f i p r t l t i o n s . P i t c h i n g moment and s t a t i c margin p l o t s versus f l a r e a n g l e s and f l a r e l e n g t h s a r e p r e s e n t e d i n a p a r a m e t r i c s t u d y t o show aerodynsmic s t a b i l i t y e f f e c t s . D i s t i n c t l y d i f f e r e n t flov f i e l d v a l u e s of pressure, l o c a l Mach number, and dynamic p r e s s u r e vcre g e n e r a t e d by t h e t w o d i f f e r e n t nose c o n f i g u r a t i o n s . These f l o w f i e l d v a l u e s j u s t upstream of the f l s r a w i l l be examined. The code demonstrated i t s v a l u e as a design t o o l by making a c l e a r d i s t i n c t i o n between aerodynemically s t a b l e c h a r a c t e r i s t i c s f o r t h i s v a

Author

MONTGOMERY HUGHSON; GARY CHAPMAN

Published

1987

Language

EN