Data from Report

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 construction 27.5 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] nf ns

Surface 5.4 x 1011 1011 3 x 1011

Re-entrant 5.4 x 1011 5.5 x 1011 1.5 x 1011 12

Exp. Port 2 x 109 2 x 108 1.2 x 109

Thermal column 5 x 10² 3 x 107 ratio ns/nf = 6 x 104 column 5' long, total

column 1' from Pb 4 x 106 5 x 1010

2' " 5 x 105 1.2 x 1010

3' " 1 x 104 3.5 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 12 7 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's 0.65%

average period 1/6 sec

a) b)

Max power level 400 kw at 95°C 105 kw at 95°C

" radiation : ns = 1.2 x 1013 3 x 1016

nf = 4 x 1012 1016

[gamma] = 2.2 x 1013 5.4 x 1016

maximum k 1.0157 1.006

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 construction	27.5 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

Second Liquid Catch Basin (p.27)	upper part Al cylinder
Second Liquid Catch Basin (p.27)	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]	nf	ns
	Surface	5.4 x 1011	1011	3 x 1011
	Re-entrant	5.4 x 1011	5.5 x 1011	1.5 x 1011 12
	Exp. Port	2 x 109	2 x 108	1.2 x 109
	Thermal column		5 x 10²	3 x 107 ratio ns/nf = 6 x 104 column 5' long, total
	column 1' from Pb	4 x 106	5 x 1010
	2' "		5 x 105	1.2 x 1010
	3' "		1 x 104	3.5 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 12	7 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		} factor 50,000
		6 x 109 nf		} 2 x 10³ R/sec
		3.5 x 1010 ns

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's	0.65%
	average period	1/6 sec
		a)	b)
	Max power level	400 kw at 95°C	105 kw at 95°C
	" radiation :	ns = 1.2 x 1013	3 x 1016
		nf = 4 x 1012	1016
		[gamma] = 2.2 x 1013	5.4 x 1016
	maximum k	1.0157	1.006