ORNL-1771 - Oak Ridge National Laboratory

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E-7 1 O6 I 5 - - L I ___- 2 f o5 2 1 o4 5 2 to3 5 2 ................ ~ ............... ........ 0 2 4 ............... PERlOD ENDING SEPTEMBER ........ ........................... ~ il C0L.I.I M A TOR AGAINST REACTOR ....... 10 12 14 Fig. 13.5. Fast-Neutron Spectrum of the Bulk Shielding Reactor bseaved Through 1 ftof Graphite. JO, 7954 171
ANP QUARTERLY PROGRESS REPORT 10-2 10.‘ 4400 K, which is in the blue region, 7.2 x lO-’lumen = 1,8 x 10-7wat~ ofvisible light. The amount of air glow can then be characterized as the fraction of energy transformed into visible I ight: /= watts of visible light ii) tube watts of energy dissipated in tube by gamma radiotian 1.9 x - - - - 6 x for atmospheric pressure. 3.2 x 10-2 This experimental valus nf light yield is in disa- 5 yreament with the theoretical estimates of Welton (0.0.5) and of Fcaulkner6 (2 x In neither of these calculations was the effect of pressure considered. 172 1 PRESSURE (cm Hg) Fig. 13.6. Variation of Glow with Pressure. <strong>ORNL</strong>-LR-DWG 2659 EQUIVALENT ALTITUDE (ft) 60,000 40,000 20,000 0 10 1 0‘ The value of L may be used to calculate the light emission from a typical nuclear-powered aircraft. For a reactor power of 200 Mw and a reactor shield of 147 cm of water (similar to the shield design of the 1950 ANP Shielding Board’), the BSF measurements indicate that the gamma-ray dose just outside the edge of the shield would be 1.36 x lo6 r/hr with ri relaxation length of 22 cm. The dose integrated over spoce outside the shield is 1.2 x 10’’ (r.cm3)/hr. Multiplying this by L, the luminosity would be 75 lumens, which would have roughly the equivalent brightness to the eye of CI 10-w (+7 w) incandescent light if the aircraft were far enough away to appear CIS o point source . .. . . . . . . . . . . . . . . . . . . .- 7Report v/ the Shielding Board /or the Aircralt Nuclear Propulszon Program, ANP-53 (act. 16, 1950).
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Contract No. W-7405-eng-26 AIRCRAFT
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1. G. M. Adamson 2. R. G. Affel 3.
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197-198. Powerplant Laboratory (WAD
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FOREWORD This quarterly progress re
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PART II . MATERIALS RESEARCH 5 . CH
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Remote Metallography ..............
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ANP QUARTERLY PROGRE.S.5 REPORT ver
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AMP QUARTERLY PROGRESS REPORT A dev
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part I REACTOR THEORY, COMPONENT DE
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AMP QUARTERLY PROGRESS REPORT After
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ANP QUARTERLY PROGRESS REPORT the A
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ANP QUARTERLY PROGRESS REPORT 67 g
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ANP QUARTERLY PROGRESS REPORT appro
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ANP QUARTERLY PROGRESS REFORT be si
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ANP QUARTERLY PROGRESS REPORT TABLE
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ANP QUARTERLY PROGRESS REPORT - 22
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in the ZPU system, While this arran
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I ORNL-LR-DWG 3092 CALCULATIONS EXT
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Power level TABLE 2.6. COMPARISON O
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PERIOD ENDING SEPTEMBER JO, 1954 Fi
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I R j I Fig. 2.7. Surfaces of Beryl
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that will permit remote, momentary
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sump in that it must be sufficientl
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J Fig, 3.4. Inconel Forced-Circulat
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- PERIOD ENDING SEPTEMBER 10, 1954
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from 18 to 31 so that tests of long
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A A Fig. 4.1. First Reflector-Moder
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- 40 32 c 3 24 A F! P ._r >- k > ir
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with and without 0.OZin.-thick cadm
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Part II MATERIALS RESEARCH
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ANP QUARTERLY PROGRESS REPORr propo
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ANP QUARTERLY PROGRESS REPORT appar
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ANP QUARTERLY PROGRESS REPORT urani
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ANP QUARTERLY PROGRESS REPORT seems
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ANP QUARTERLY PROGRESS REPORT ~~ -
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AN P QUARTER 1Y PROGRESS R EPOR J T
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ANP QUARTERLY PROGRESS REPORT of 0.
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ANP QUARTERLY PROGRESS REPORT q0-2
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4NP QUARTERLY PROGRESS REPORT on d
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ANP QUARTERLY PROGRESS R €PO RT P
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ANP QUARTERLY PROGRESS REPORT ammet
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ANP QUARTERLY PROGRESS REPORT catho
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P,NP QUARTERLY PROGRESS REPOK'I ___
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ANP QUARTERLY PROGRESS REPORT CH EM
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ANP QUARTERLY PROGRESS REPORT A pla
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ANP QUARTERLY PROGRESS REPORT Fig.
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ANP QUARTERLY PROGRESS REKIRT TABLE
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ANP QUARTERLY PROGRESS REPORi Fig.
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ANP QUARTERLY PROGRESS REPORT Ceram
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A N P Q UA R I-EKIY PRO G R ESS R E
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ANP QUARTERLY PROGRESS REPOR7 Effec
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ANP QUARTERLY PROGRESS REPORT Fig.
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ANP QUARTERLY PROGRfSS REPORT Flamm
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AMP QUARTERLY PROGRESS REPORT of tw
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ANP QUARTERLY PROGRESS REPORT The e
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ANP QUARTERLY PROGRESS REPOR7 trans
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AM? QUARTERLY PROGRESS REPORT at pr
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AMP QUARTERLY PROGRESS REPORT studi
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ANP QUARTERLY PROGRESS REPORT The m
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ANP QUARTfRLY PROGHESS REPORT As be
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ANP QUARTERLY PROGRESS REPORr Devel
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Page 167 and 168: zirconium or aluminum complex, or l
Page 170 and 171: 11. SHIELDING ANALYSIS J. E. Faulkn
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Page 180 and 181: ... Two configurations, a single du
Page 182 and 183: The thermal-neutron flux (Fig. 13.2
Page 186 and 187: TIME (rnin) PERIOD ENDING SEPTEMBER
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Page 192 and 193: PERIOD ENDING SEPTEMBER 10, 1954 Fi
Page 194: part IV APPENDIX
Page 197: REPORT NO. ~~-54-a-10 C F-54-6-4 CF
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