ML13311A047

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Follow-up Safety Analysis Responses from Letter Dated July 15, 2013
ML13311A047
Person / Time
Site: U.S. Geological Survey
Issue date: 10/31/2013
From: DeBey T
US Dept of Interior, Geological Survey (USGS)
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML13311A047 (8)
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Text

  • USGSscience for a changing worldDepartment of the InteriorUS Geological SurveyPO Box 25046 MS 974Denver, CO 80225-0046 October 31, 2013U.S. Nuclear Regulatory Commission Document Control DeskWashington, DC 20555

Reference:

U.S. Geological Survey TRIGA Reactor (GSTR), Docket 50-274, License R-113, Request for Additional Information (RAI) dated October 2, 2012

Subject:

Follow-up Safety Analysis responses from letter dated July 15, 2013Mr. Wertz:The attached pages provide additional information for our response to RAI question 12.Please contact me if further details, or corrections, are needed.Sincerely, Tim DeBeyUSGS Reactor Supervisor I declare under penalty of perjury that the foregoing is true and correct.Executed on 10/31/13Attachment Copy to:Vito Nuccio, Reactor Administrator, MS 406USGS Reactor Operations Committee GSTRHotRodEquilibriumModel (1) .i=GSTR Core SS 12 wt% Model*m: SNAP:Symbolic Nuclear Analysis

Package, version 2.2.2, January 02, 2013*m: PLUGIN:RELAP Version 4.3.0*m: CODE:RELAP5 Version 3.3*m: DATE:10/29/13
  • Model options **typestate100 new stdy-st* iunits ounits102 si si* Noncondensable Gas Species110 nitrogen* tend minstep maxstep copt201 2500.0 1.0e-7 1.0 3* variable parameter 301 tempf 103240000 302 velf 103110000 303 velf 103240000 304 voidg 103190000 20500000 999* General Tables *pfreq majed rsrtf10 100000 300000202100002021000120210002typepowerTi me0.02200.0trip0Powe r2.218142e4 2.218142e4
  • Materials
  • ****n: zirconium 201001002010010120100102201001032010010420100105201001062010010720100151201001522010015320100154201001552010015620100157typetbl/fctntemp200.15400.15600.15800.151000.151200.151500.15temp200.15400.15600.15800.151000.151200.151500.15tflag1thcond25.202959 21.601646
20. 69820221.601646
23. 70137326. 00048128. 798041capacity1.73406e6 1.970523e6 2.115028e6 2.246396e6 2.377764e6 2.259533e6 2.259533e6 vflag1*n: Fuel201002002010020120100251typetbl/fctnthcond17.584624 lower upper273.15 5810.928tflag1vflag2aO al a2 a3 a4 a5 c2.039509e6 4168.9847 0.0 0.0 0.0 0.0 273.15Page 1 GSTRLHotRodEquilibriumModel (1).i*n: GAP20100300*n: S-STEEL20100400typegaptypes-steel* Hydraulic components
  • 101000010100011010101101030110103021010303101030410103051010401101050110106011010701101070210107031010704101070510108011011001101120110112021011203101120410112051011206101120710112081011209101121010112111011212101121310112141011215101121610112171011218101121910112201011221name"Downcome" ncells24x-area1.0x-length0.021250.1327380.019050.1327380.02125volume0.0azi m-angle0.0vert-angle

-90.0x-elev-0.02125-0.132738

-0.01905-0.132738

-0.02125x-wall0.0x-flags10ebt press003 1.42972e5 003 1.43715e5 003 1.44447e5 003 1.4463e5003 1.44814e5 003 1.44998e5 003 1.45181e5 003 1.45365e5 003 1.45549e5 003 1.45732e5 003 1.45916e5 003 1.461e5003 1.46283e5 003 1.46467e5 003 1.46651e5 003 1.46834e5 003 1.47018e5 003 1.47202e5 003 1.47385e5 003 1.47569e5 003 1.47753e5 typepipevolid24volid12222324volid24vol id24volid24volid12222324xhd5.0volid24none none0.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.0volid24temp333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15none0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0Pageid1234567891011121314151617181920212 1011222101122310112241011101101130010113011011401003 1.47937e5 003 1.48668e5 003 1.49411e5 j efvcahs00000000jun control1mfl0.0hd0. 019967GSTRHotRodEquilibriumModel (1).i333.15 0.0 0.0 0.0 22333.15 0.0 0.0 0.0 23333.15 0.0 0.0 0.0 24jun num23mfv0.0corr0.0typepipeunused0.0gas1.0junid23slope1.0junid23102000010200011020101102030110204011020501102060110208011021001*ebl1021201 00:1021101102130110300001030001103060110303011030302103030310303041030305103040110305011030601103070110307021030703103070410307051030801name"Transfer" ncells10x-area1.0x-length0.01volume0.0azim-angle 0.0vert-angl e0.0x-wall0.0x-flags10press1.49513e5 jefvcahs00000000vl0.0name"HotChann" ncells24x-area5.85532e-4 x-length0.021250.1327380. 019050.1327380.02125volume0.0azi m-angle0.0vert-angl e90.0x-elev0.021250.1327380. 019050.1327380.02125x-wall2. 1336e-6volid10volid10volid10volid10volid10xhd vo0.0volid10temp none none none id333.15 0.0 0.0 0.0 10jun num9vv unu.0.0lid10sed0.0junid9typepi pevolid24volid12222324volid24volid24volid24volid12222324xhd0.019967volid24Page 3 10310011031201103120210312031031204103120510312061031207103120810312091031210103121110312121031213103121410312151031216103121710312181031219103122010312211031222103122310312241031101103130010313011031401x-flags0ebt press003 1.49377e5 003 1.48551e5 003 1.47816e5 003 1.47631e5 003 1.47447e5 003 1.47263e5 003 1.47079e5 003 1.46895e5 003 1.46711e5 003 1.46528e5 003 1.46345e5 003 1.46162e5 003 1.45981e5 003 1.45801e5 003 1.45622e5 003 1.45444e5 003 1.45267e5 003 1.45092e5 003 1.44917e5 003 1.44742e5 003 1.44567e5 003 1.44391e5 003 1.4368e5003 1.42935e5 j efvcahs00000000jun control1mfl0.0hd0. 019967GSTRHotRodEquilibriumModel (1).ivolid24temp333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15333.15none0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0none0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0none0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0id123456789101112131415161718192021222324jun num23mfv0.0corr0.0unused0.0gas1.0junid23slope1.0junid2310400001104010110401021040103104020010402011040202105O000105010110501021050103105020010502011050202name"Sink"area1.0az-angle0.0x-rough0.0cword103srch0.05000.0name"Source"area1.0az-angl e0.0x- rough0.0cword103srch0.05000.0typetmdpvollength1.0inc-angle 0.0x-hd0.01309996 press1.4287e51.4287e5typetmdpvollength1.0inc-angle 0.0x-hd0.01309996 press1.4287e51.4287e5vol0.0dz0.0flags0temp333.15333.15vol0.0dz0.0flags0temp333.15333.15Page 4 GSTRHotRodEqui Ii bri umModel (1). i20200002020101202010220201032020201203000020301012030102203010320302012050000205010120501022050103205020120600002060101206010220601032060201name"j un202"from102100002 fwd. loss2.26discharge 1.0flow1name"jun203"from103240002 fwd. loss0.63discharge 1.0flow1name"jun205"from101240002 fwd. loss0.0discharge 1.0flow1name"jun206"from105010002 fwd. loss0.0discharge

1.0 flow1typesngljunto103010001

rev. loss0.63thermal0.14mfl0.0typesngljunto104010001 rev. loss2.26thermal0. 14mfl0.0typesngljunto102010001 rev. loss0.0thermal0.14mfl0.0typesngljunto101010001 rev. loss0.0thermal0. 14mfl0.0area0.0efvcahs0mfv0.0unused0.0area0.0efvcahs0mfv0.0unused0.0area0.0efvcahs0mfv0.0unused0.0area0.0efvcahs0mfv0.0unused0.0* Heat Structures

1303000013030100130301011303010213030103130301041303010513030106130301071303010813030109nh20np geom24 2mesh0intervals 11 31 4.1 51 6.1 6,1 71 81 9,ssif0format1radi us3175e-3.9193e-36636e-3.4079e-31522e-3.8965e-3.6408e-3.3851e-3.1294e-3leftcoord reflood0.0 0Page 5 13030110130301111303011213030113130301141303011513030116130301171303011813030119130301201303012113030122130301231303020113030202130302031303020413030301130303021303030313030401* Left1303050113030502130305031303050413030505130305061303050713030508130305091303051013030511130305121303051313030514130305151303051613030517130305181303051913030520* Right130306011303060213030603130306041303060513030606130306071303060813030609130306101303061113030612130306131303061411111111111111mate ri al1234rpkf0.00. 0644370.0temp333.15Boundary Condibound00000000000000000000Boundary Condbound103030000 103040000 103050000 103060000 103070000 103080000 103090000 103100000 103110000 103120000 103130000 103140000 103150000 103160000 GSTRHotRodEquilibriumModel (1).i9.8737e-3 0.0106180.0113623

0.0 121066

0.0128509

0. 01359520.0143395
0. 01508380.0158281
0. 01657240. 01731670.0180610.0181610.018669interval1212223interval12123interval24tion Dataincr00000000000000000000ition Dataincr00000000000000type00000000000000000000type101101101101101101101101101101101101101101code11111111111111111111code11111111111111Page 6factor0. 019050. 019050. 019050. 019050. 019050. 019050.019050. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 01905factor0. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 019050. 01905node1234567891011121314151617181920node1234567891011121314 1303061513030616130306171303061813030619130306201303070113030702130307031303070413030705130307061303070713030708130307091303071013030711130307121303071313030714130307151303071613030717130307181303071913030720* Right1303090013030901GSTRHotRodEquilibriumModel 103170000 0 101 1103180000 0 101 1103190000 0 101 1103200000 0 101 1103210000 0 101 1103220000 0 101 1source mult dmhl100 0.0301 0.0100 0.0343 0.0100 0.0404 0.0100 0.0464 0.0100 0.0516 0.0100 0.0561 0.0100 0.0597 0.0100 0.0625 0.0100 0.0642 0.0100 0.065 0.0100 0.0648 0.0100 0.0636 0.0100 0.0616 0.0100 0.0585 0.0100 0.0544 0.0100 0.0496 0.0100 0.044 0.0100 0.0377 0.0100 0.0308 0.0100 0.0247 0.0Additional Boundary condition Data0hthd hlf hlr gslf gslr glcf glcr lbf node0.0 3.048 3.048 0.0 0.0 0.0 0.0 1.0 20(1) .i0. 019050. 019050.019050.019050.019050. 01905dmh r0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0151617181920num1234567891011121314151617181920Page 7
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