Nuclear Reactor Hazards - Summary Review Vol II [Declassified]

61 Pages·1994·3.336 MB·English

E LASSlF
HW-76930 VOL 2 RD2
(CLASSIFICATION) IE_ DOCU.,|EN , NOe
_£RIES AN|
GENERAL@ ELECTRIC
DATE
April 4, 1963
HANFOR[) ATOMIC PRODUCTS OPERATION - RICHLAND$ WASHINOTON
N-REACTOR HAZARDS SUMMARY REVIEW
TH,s oocu (Phase Ib_ Production Only)
DEFINED
,TS T ,TS golume 2
RIZED
pE! REACTOR AND REACTOR AUXILIARY
SYSTEMS
AUTHOR ISSUING FILE
-----] OTHER OFFICIAL CLASSiFIE:D INFORMATION
THIS MATERIAL CONTAINS SNFORMATION AFFECTING
THE NATIONAL DEFENSE OF THE: UNITED STATES
WITHIN THE MEANING OF THE ¢rSPIONAGE LAWS,
TITLE 18_ U. S. C. _ S_'CS. 793 AND 794, THE TRANS-- " " !
MISSION OR REVELATION OF WHICH IN ANY MANNER
TO AN UNAUTHORIZED PERSON IS PROHIBITED BY
LAW.
TH IS ACCK; :_
oF i_
RE:QUI
£ R£QU£ ST£
PROV BI[ LOW.
ROUTE TO; PAYROLL NO. LOCATION SIGNATURE AND DATE
"_/ .. • .
54--3000--340 (3--57) A,C.G[ ,,CHL,,O. W,SH
, ,.,c..,o., ASSEIliF
' __ _ _
J
n" I' SiFJED
UNCLASSIFIED HW-76930 VOL II RD 2
Thls__n_ified by:
_ (_¢-__ ...._///./Z" This doe=ent consists of
N-RF2_CTORHAZARDS SUMMARY REVIEW
...... VO'T.UIVIII' E
REACTOR AND REACTOR A_Y SI_T_$
.............. :, i i =t , j
(Sections 3, 4 and 5)
DISTRIBUTION
.,,.
_-__"""""_ I]FI],lt.%_li:lFirl
3_-a3 R_.A.s. C_.oxooho__o....,o,=_-__:_--
25 300 Files --'_' _
-. -,s-:-
-V_ L ' ,:I'
\
i._-P_actoirs a convo.-_--th_ prd-ucirmlnucle_r procosscsare the +_._++_":-_
tlon of U23S to Pu2_9 a_d tho flssi_ o_ U235. Th_ hoat _loasc_ in tl_ ."'-'.'+"'_,,.,..,.+,.+.__+.+,+,":'-+-"
• procossmmy ultimatal__ us_i to _duce aloctrlcalchar+_]a_i tho r_actcr_nd fual _o-_
";"++"'"'"+;"_..+,.t.-o;-up,+o+r'.-,+-_/,,'t_,his.
Fis_ioanmA_oms aro bo_'n_.uth_ roactorm_ _._thaa avc_-a_cc:_c_-__:--t+:":o
_v." To bouscfUl as chai_ carrlers,_thoymust be slouedto tl_n,_lonc.-C.._....._._c
' pr_uci_nalslouingdown __ f_r neutroz_ia Z;-P_ctoris alasticscattorLugz _+_thtko
carbon++uclelof the reactormm_rator. The coc_.tn_ _mtor also c_uta-ibuto_to tho
_odorat_k_l_'OCeSS.
multiplicationfactor
iaa graphite_rated reactor,the _+__h_+_._+_-_b • is maz/-_ziz-a_tla
paA+ticularcarb_u-to-u_amium_ ratio. If the C:O ratio is do_masod sufficicn%ly
bol_ the opt_ _-oactivitypoint,+thechai_r_actloa_ cannotbe su__cd _tl_
natuamlurania_+ TJ_ C_U ratio at i_P_actoris 33 (campa_-otdo 75 at tha .+,[L.cactc_'z).....
a uranlu._e_mic-hm_t to 0.947per coat U23_ _j _m__Ghtis roquircdto suz-tain_ C'A-._,+.q+.l.r'.
rcactim__+__trhcas_nablooxce_ reactivityfca-acccmmodatloaof operational.cac++"_v"_t;-,-y
,,A..,+...,+)%,...." . "1"I"_
O[CL SSIi[O°
_.o tx_s_Ivo_ roac_t.icraatesa_.o_uction_ cuetl_.,-_,,,,,_-..-,_"....... "'
DEeLASSiFtEI]

5._,mlatticeca_z_uCcmcnt_s,_c_mstudied. One _:ascc c-':_ct a
...._.:._.of t!:cactual latticeas pos_o±o, the other_ms a "co'_donsc_d'_a_"^"o"_"cu'_,
. "_._vcoids in "_uo_.-a._itostac_wore rcmovexlbut the sazo _alizLtc-to-tu-a._tr_atiourns
• .----,'_"':,'_+a"o4l"a_t'tni_c-e-,p_a,r.azctors_m:_ r.ca:_l _.me.ach a_d,_Z_-__ntto evaluate-'_:_..
ncuh-o:__'Zrc_-d.-a_ffect cauzcd:_jthe !arZovoid a_-cas.
The materialbu__ for the, mocLmp a_ c_-_cnscdlattices:ms
z_ac_d in an _x_ontial pile. The _ayarcm_nt of the material bu_dJm,Z,_ k (in
:'ST:lo):mhlcda qu_nt!tatlvodotc_._._mtlonof t_m migrationa_.ca. _ r_atio-q _'ca
"1
d_luccdfo_'the con_ _s_ la'h_ioei_ _O0_cm_; for the mocL-aplattice,-_ m_. The z'atlo
of the t%:ovalues is 2.15 wllah is la_Co_xla_o _c.ms._u±tth th_ ratio _rcdictc_l_.co_,otic-_Lly
Th_ availabilityof e:..7_riznntpa_lrumotc_.sfo_ a lattlco
m
_st idonti-calto "_e _flatticem_J:osit pos-_Lbloto normalizetheo_'oticallattice
T_-a_tcrs ar_ldotcz_'__.b_e.srt.voalues for the actual_ilattice. _o best value told,clc_u,
5_o:_,!atticc__tors fo_-l_cactoy :_ith0.9..__7r_po_* centU235 _i_h_i Zuol aye
_'_'"", 4", Table3.2.
I]Et;L SSiFJE

, I_:_76930__D
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the core 1_% _& i_ 35.0 _t. The cornc"sarc trtu_catcdas sI_o_u_ Fi_ 3-2, .'-",_,-_--._"_
_,_t_ _h!ch is infinitei_ affect. _ fz_nt and _ear "_-o£1octorsa"rc coz_ of
...... . _o ..._.. _mtc_-,and _u_! s!_cc:-z)
,_ one consoqucn_ af t#m _!ativc!y !o_-C:U ratio,"'_ " -.......
to-thoz_l f!_: iS estimatedto be 2.50(2), a relativelyhi_,h_r cozened to _.__:-_-,-__--"
Tho lattice_ati_u area, "_, dcd_tcodz_r.c_m c__ntlal _'_'_'" .......+
i_ 6_ _2; this is se_mrableinto a Fc_-i Ag_ (D of _-_O _ _ a Diff-azionArea (L2)
of_-IdO_ at ro_ temperature. At operat_u_t_ratu_ i._ir_ma_es _ _0 _:_'crc.ut.
3.3.3 "_'_"_ _'_"_'"
_c !a_%o void _r_ctionin the reactorc_ _al/m'_s,_,_e_,_+_ ,,-,,,:.-_,_
.,
"%
r. _szaCca!o:M_t.h-e vc_d c_=_olz. __.",_,"_st__g" affects v_-ious latt!co _;_r_'-,%c'-':, ---
° ,
_q 9
A
/o
'-"........-.-."---_= ( 1 _b = 10-_ _a-2) .
c,_ _>_.D_'._,,?._'D•
s!_-cL._._z _'_^ _ :cz._ ncutronoo,_u._ug z_rc_.th•e coro _',_o the .",-'_n_,_._','"*'-_.
....... .:.orc_U..o_to=rn=:_ to tho co;o,