(FLATHEAD)
Project 10.1 -
Fireball Hydrodynamic Yield - J. F. Mullaney
L. N. Blumberg
&
J. F. Mullaney
A preliminary value for the hydrodynamic yield of Flathead iss
This number is based on the intesral method
with Bethe-Fuchs mass
treatment.
The films used to get this number were 3491] (Aomoen), 34828
(Chieerete), and 3820 and 34221 (Fnyu). The radius-time data which
were given only for the region 40 to 80 milliseconds, showed little
scatter (roughly 1% spread) so that the spread in yield values due
to data scatter is only about 5%.
“
The radius-time data presented as
Table 10.1-1 were obtained by drawing a curve through points repre-
senting the averace of the four films.
Yields obtzined using the interzral methed are presented in
td
oO
oD
na
smallest distribution inclui
a
bh
Table 10.1-2 for the several mass distributions considered.
The
the upper structure of the berge;
the next econsfiiers in addition, the remainder cf the
barre, one-half
of the ballast sani, ani six inches of surface water out to €0 meters
radius; the lareest includes the remaining ballast sand, and one foot
of surface water to £0 meters radius,
considered veiphed €,2™,O% pounds,
In this latter case, the water
At least for the intesral method,
it looks as though adiition of mass relatively far from the center of
the explosion does not change greatly the vield number given by the
The interral metho? was used at each of twelve radii ransing
COPIED/
Bing
from 335 to 391 meters for each mass distritution.
from
\
LANL Rod.
Judging
&
~\
method,
- 68 =