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(BLACKFOOT )
Project 10.1 Fireball Rytrotynamios - J. F. Milleney
lL. 8. Munberg
a
3.f. Mullaney
4h
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The hyiredynamio yield of ve =» determined on the basis
of dianeter-tine data froe three aan films as
The data consisted of ow Sila “som onsh of three stations;
Parry (35429), Mack (35423), ani Piireai (35435). Valves of yield
obdtaine! from iniividusl frames of a given fila are in good agree
ment vith one ancther; the aaximm wariation for Mack was 41.5% and
1,08, for Piireat 2.5% and =0.5$, and for Parry £0.5f and -9.0%. The
mximm variation in yieli between the three films was about /5f to -7%.
Results of computatinn using the integrel, 4ifferential, ani Mach
number goaling sethois, as descrihei in previous reports, are presented
fa Table 10.1-1.
computations.
The Bethe-Puchs Mass Treatment has been use! in al)
These methois have reduced the soatter of re-ulting ylelis
to about £ 2% among the three films.
Because of mfficient uncertainty
in the amount of mass vaprrised by the Mreball an‘ sepable of influ
encing the hyirotynamic grovth of the shock front, the effects of three
possible mass distributions is cresented.
The inclusion of £6,400
Pounds weight. correepanis to the cab material with massive structural
. beams omitted; the 68,500
pound tistritution incluies in addition
about one-half of the heavy beans, while the 91,4 poun! distribution
‘oonsidera the entire cab plus about ten feet of the adjacent tower.
Purther work of a more fundamental nature is pleaned OS obtain more as@
curate estimates of the mss effect.
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