Data from Report
Handwritten
3 pp.
1953
MurNBreportdata000053



DATA FROM REPORT
Building (p.12)octagonal shape, 25' clearance
radiation ports
10 or 20 ton crane
16" wall of reactor room
16" water window
Shielding (p.17)Limanite or barytes
30" (safe)
6' actual
17' diameter, 9 1/2' high
18" thick base
5' channel, 92" deep
Fuel container (p.18)stainless steel 347
1/16" walls
27.2 cm diam, 27 cm high
Openings:6 water (3 coils)
2 control rod guides, 3/4" o.d. 1/16" wall, 18" above, 8" below surface
1 gas tube, 1 1/2" diam
1 thermocouple 3/16" o.d., 1/32" wall, 7" long
1 solution 3/8" i.d., 1/32" wall, to near bottom
1 height 1/2" id., 1/16" wall, 20" above
1 re-entrant 1" i.d., 1/16" wall, 56" above, 8" below
Pressure specification 100 psi
Cooling system (p.20)cooling colis 1/4" s.s. 30 ft length
3 gal./min for 10 k.w.
join 1' from reactor in 3/4" tubes
Principal activity Mg26 625 d/s, O18 110 d/s
exposure of person 5' from 10 gal .08 R/8hr; in 1 hr, 1/100 of this.
1800 gal holding tank for 10 hr. operation
Nuclear fuel (p.22)volume of cylinder 14,360 cm³
H/R)opt=1.848 H=24.8, D=27.2 Depth of airspace 2.2 cm total H 27.0
Mc at 20° 840 dM/dT= 0.9 deg-1
Mc at 80° 900
Experiments require 15g more. Total 915g.
Reactor envelope (p.24)Al construction27.5 cm o.d. reactor,
28.3 cm id envelope
16" up to flange
upper cylinder 48" diam, 42" height
volume 40 ft³ (45 times reactor volume)
16" graphite on top of reactor
Non-concentric location of reactor, 0.8 cm gap on one side for shim, liquid tube
graphite powder packing
Reflector (p.26)16" thickness of graphite block bare, and sides
Bars 4" x 4" rectangular
inside envelope also


[page 2]

DATA FROM REPORT
Second Liquid Catch Basin
(p.27)
upper part Al cylinder
broad shallow chamber - catch basin
Lead shield (p.28)Al cylinder 52" O.D. 48" high
2" of lead lining[gamma]-attenuation (less concrete)
shipping protection
(also tertiary catch basin
Safety and Control rod (p.28)strip 2" wide, 0.02" thick shim
8" of boron* (p=1.5-1.7) in 5/8 o.d. s.s. tube * enriched in B10
4" from central axis, 100° from each other.
Rod value 80 g. shim value 10-12 g.
Instrumentation and control(p.29)Thermocouples, pressure gauges, radiation detectors
signal transmitting system, cables, leads
indicating and recording at control desk
controlling and reulating at control desk
Flux densities (p.36)[gamma]nfns
Surface5.4 x 101110113 x 1011
Re-entrant5.4 x 10115.5 x 10111.5 x 1011 12
Exp. Port2 x 1092 x 1081.2 x 109
Thermal column5 x 10²3 x 107 ratio ns/nf = 6 x 104 column 5' long, total
column 1' from Pb4 x 1065 x 1010
2' "5 x 1051.2 x 1010
3' "1 x 1043.5 x 108 ?9
Activity of fuel soln. (p 39)TABLE.
Thermal coluimn (p.39)5' from surgace of reactor to end.
Pb shield, Cd Shield, additional concrete
Sample exposure ports (p.39)Total 127 from outside to reactor
4 across thermal column
1 vertical re-entrant
 3/5 i.d. metal tube
3" i.d. lining tube
Exits 24" from floor level
Gas disposal (p.43)No of d/s per kw-min 2.5 x 1014; 7000 curies} factor 50,000
Decay in 4 hrs 5 x 109 d/s, 0.15 curies
Fission gases 0.0015 cc/kwh; H2, O2 8000 cc/kwh 40 liters/hr at 5 kw
Dilution-blowers 8-10,000 cfm Stack height 100' or so.
Holding tank with no dilution 3500 liters; with 21, 000 liters, 10 days.
With 500 cc/min, 10 days hold up, 10, 000 cfm dilution gives 2.5 10-4 [mu]c.
Reactor Hazards (p.48)Beam at 3" hold.6 x 1010 2 Mev [gamma]'s
6 x 109 nf } 2 x 10³ R/sec
3.5 x 1010 ns


[page 3]

DATA FROM REPORT
control and Safety Rods (p52)a) 5 sec removal b) instantaneous removal
neutron cycle time lp = 5 x 10-5 sec
k = 1.74
[delta]k = 0.0157
solution[rho] = 1.1 g/cm³
m = 15,800 g
sp. Heat. = 0.95
gas rate = 2 cc/kw sec
dK/dT = -2.0 x 10-4/°C
% delayed n's0.65%
average period1/6 sec
a)b)
Max power level400 kw at 95°C105 kw at 95°C
" radiation :ns = 1.2 x 10133 x 1016
nf = 4 x 10121016
[gamma] = 2.2 x 10135.4 x 1016
maximum k1.01571.006