ctne
porns ime
eet reveal
200
a
;
a
uw
«
3
a
a
ws
«
a
2
z
<
‘2
3 10
I
32
iy \
.
fA\
i ab \
10
DISTANCE
PLSi
;
30
FROM GROUND ZERO (KFT)
Fogure 3.7 Dynamic pressure versus distance, Shot 6.
both vertical
orizontal acceleration versus time,
The details
of construction, metjiod\of recording, results and calibration are
presented in Appendi
2.9
LOW PRESSURE GAl
Satisfactory records
toll) from all tests shot
(see Figure 3.16).
<A record]
Wwefe obtained on Site Elmer (on Eniwetok
ired on Bixini Atoll, except Shot 3
was obtained for Shot 3; however, the
amplitude of the pressure wave w:
tremely small and no attempt
was made to read a peak value.
Tifanai tion, excellent records were
obtained from a gage placed on b
the USS Curtis on Shots 2 and 3.
The records obtained compared cat ably with those obtained by the
Sandia Corporation's microbarograph ingtruments. The shapes of the
recorded pressure waves, although great
compressed time-wise, were
similar. Photographic enlargements of e initial portion of the
record and the complete recording disk/for the gage located on Site
Elmer on Shot 2 are presented in Figures 5.16-Afid 3.17.
of four BRL and SC records are presented in Appendix F.
A comparison
ood
:
5.Boao,
Rerammuaeine
5.10 METHOD OF DATA REDUCTION
3.10.1 Record Reading
r
1]
tj
All records on Shots 1 through 6 vere read
the aid of
a Gaertner Toolmakers Microscope. Direct measurements were made from
38