ML13311A047

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:	Timothy Debey US Dept of Interior, Geological Survey (USGS)
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML13311A047 (8)

Text

• USGS science for a changing world Department of the Interior US Geological Survey PO Box 25046 MS 974 Denver, CO 80225-0046 October 31, 2013 U.S. Nuclear Regulatory Commission Document Control Desk Washington, 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, 2013 Mr. 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 DeBey USGS Reactor Supervisor I declare under penalty of perjury that the foregoing is true and correct.Executed on 10/31/13 Attachment Copy to: Vito Nuccio, Reactor Administrator, MS 406 USGS 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 **type state 100 new stdy-st* iunits ounits 102 si si* Noncondensable Gas Species 110 nitrogen* tend minstep maxstep copt 201 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 rsrtf 10 100000 300000 20210000 20210001 20210002 type power Ti me 0.0 2200.0 trip 0 Powe r 2.218142e4 2.218142e4

• Materials

• ****n: zirconium 20100100 20100101 20100102 20100103 20100104 20100105 20100106 20100107 20100151 20100152 20100153 20100154 20100155 20100156 20100157 type tbl/fctn temp 200.15 400.15 600.15 800.15 1000.15 1200.15 1500.15 temp 200.15 400.15 600.15 800.15 1000.15 1200.15 1500.15 tflag 1 thcond 25.202959 21.601646 20. 698202 21.601646 23. 701373 26. 000481 28. 798041 capacity 1.73406e6 1.970523e6 2.115028e6 2.246396e6 2.377764e6 2.259533e6 2.259533e6 vflag 1*n: Fuel 20100200 20100201 20100251 type tbl/fctn thcond 17.584624 lower upper 273.15 5810.928 tflag 1 vflag 2 aO al a2 a3 a4 a5 c 2.039509e6 4168.9847 0.0 0.0 0.0 0.0 273.15 Page 1 GSTRLHotRodEquilibriumModel (1).i*n: GAP 20100300*n: S-STEEL 20100400 type gap type s-steel* Hydraulic components

• 1010000 1010001 1010101 1010301 1010302 1010303 1010304 1010305 1010401 1010501 1010601 1010701 1010702 1010703 1010704 1010705 1010801 1011001 1011201 1011202 1011203 1011204 1011205 1011206 1011207 1011208 1011209 1011210 1011211 1011212 1011213 1011214 1011215 1011216 1011217 1011218 1011219 1011220 1011221 name"Downcome" ncells 24 x-area 1.0 x-length 0.02125 0.132738 0.01905 0.132738 0.02125 volume 0.0 azi m-angle 0.0 vert-angle

-90.0 x-elev-0.02125-0.132738-0.01905-0.132738-0.02125 x-wall 0.0 x-flags 10 ebt press 003 1.42972e5 003 1.43715e5 003 1.44447e5 003 1.4463e5 003 1.44814e5 003 1.44998e5 003 1.45181e5 003 1.45365e5 003 1.45549e5 003 1.45732e5 003 1.45916e5 003 1.461e5 003 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 type pipe volid 24 volid 1 2 22 23 24 volid 24 vol id 24 volid 24 volid 1 2 22 23 24 xhd 5.0 volid 24 none none 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 volid 24 temp 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 none 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Page id 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 2 1011222 1011223 1011224 1011101 1011300 1011301 1011401 003 1.47937e5 003 1.48668e5 003 1.49411e5 j efvcahs 00000000 jun control 1 mfl 0.0 hd 0. 019967 GSTRHotRodEquilibriumModel (1).i 333.15 0.0 0.0 0.0 22 333.15 0.0 0.0 0.0 23 333.15 0.0 0.0 0.0 24 jun num 23 mfv 0.0 corr 0.0 type pipe unused 0.0 gas 1.0 junid 23 slope 1.0 junid 23 1020000 1020001 1020101 1020301 1020401 1020501 1020601 1020801 1021001*ebl 1021201 00: 1021101 1021301 1030000 1030001 1030601 1030301 1030302 1030303 1030304 1030305 1030401 1030501 1030601 1030701 1030702 1030703 1030704 1030705 1030801 name"Transfer" ncells 10 x-area 1.0 x-length 0.01 volume 0.0 azim-angle 0.0 vert-angl e 0.0 x-wall 0.0 x-flags 10 press 1.49513e5 jefvcahs 00000000 vl 0.0 name"HotChann" ncells 24 x-area 5.85532e-4 x-length 0.02125 0.132738 0. 01905 0.132738 0.02125 volume 0.0 azi m-angle 0.0 vert-angl e 90.0 x-elev 0.02125 0.132738 0. 01905 0.132738 0.02125 x-wall 2. 1336e-6 volid 10 volid 10 volid 10 volid 10 volid 10 xhd vo 0.0 volid 10 temp none none none id 333.15 0.0 0.0 0.0 10 jun num 9 vv unu.0.0 lid 10 sed 0.0 junid 9 type pi pe volid 24 volid 1 2 22 23 24 volid 24 volid 24 volid 24 volid 1 2 22 23 24 xhd 0.019967 volid 24 Page 3 1031001 1031201 1031202 1031203 1031204 1031205 1031206 1031207 1031208 1031209 1031210 1031211 1031212 1031213 1031214 1031215 1031216 1031217 1031218 1031219 1031220 1031221 1031222 1031223 1031224 1031101 1031300 1031301 1031401 x-flags 0 ebt press 003 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 1.4368e5 003 1.42935e5 j efvcahs 00000000 jun control 1 mfl 0.0 hd 0. 019967 GSTRHotRodEquilibriumModel (1).i volid 24 temp 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 333.15 none 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 none 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 none 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 id 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 jun num 23 mfv 0.0 corr 0.0 unused 0.0 gas 1.0 junid 23 slope 1.0 junid 23 1040000 1 1040101 1040102 1040103 1040200 1040201 1040202 105O000 1050101 1050102 1050103 1050200 1050201 1050202 name"Sink" area 1.0 az-angle 0.0 x-rough 0.0 cword 103 srch 0.0 5000.0 name"Source" area 1.0 az-angl e 0.0 x- rough 0.0 cword 103 srch 0.0 5000.0 type tmdpvol length 1.0 inc-angle 0.0 x-hd 0.01309996 press 1.4287e5 1.4287e5 type tmdpvol length 1.0 inc-angle 0.0 x-hd 0.01309996 press 1.4287e5 1.4287e5 vol 0.0 dz 0.0 flags 0 temp 333.15 333.15 vol 0.0 dz 0.0 flags 0 temp 333.15 333.15 Page 4 GSTRHotRodEqui Ii bri umModel (1). i 2020000 2020101 2020102 2020103 2020201 2030000 2030101 2030102 2030103 2030201 2050000 2050101 2050102 2050103 2050201 2060000 2060101 2060102 2060103 2060201 name"j un202" from 102100002 fwd. loss 2.26 discharge 1.0 flow 1 name"jun203" from 103240002 fwd. loss 0.63 discharge 1.0 flow 1 name"jun205" from 101240002 fwd. loss 0.0 discharge 1.0 flow 1 name"jun206" from 105010002 fwd. loss 0.0 discharge 1.0 flow 1 type sngljun to 103010001 rev. loss 0.63 thermal 0.14 mfl 0.0 type sngljun to 104010001 rev. loss 2.26 thermal 0. 14 mfl 0.0 type sngljun to 102010001 rev. loss 0.0 thermal 0.14 mfl 0.0 type sngljun to 101010001 rev. loss 0.0 thermal 0. 14 mfl 0.0 area 0.0 efvcahs 0 mfv 0.0 unused 0.0 area 0.0 efvcahs 0 mfv 0.0 unused 0.0 area 0.0 efvcahs 0 mfv 0.0 unused 0.0 area 0.0 efvcahs 0 mfv 0.0 unused 0.0* Heat Structures

13030000 13030100 13030101 13030102 13030103 13030104 13030105 13030106 13030107 13030108 13030109 nh 20 np geom 24 2 mesh 0 intervals 1 1 3 1 4.1 5 1 6.1 6, 1 7 1 8 1 9, ssif 0 format 1 radi us 3175e-3.9193e-3 6636e-3.4079e-3 1522e-3.8965e-3.6408e-3.3851e-3.1294e-3 leftcoord reflood 0.0 0 Page 5 13030110 13030111 13030112 13030113 13030114 13030115 13030116 13030117 13030118 13030119 13030120 13030121 13030122 13030123 13030201 13030202 13030203 13030204 13030301 13030302 13030303 13030401* Left 13030501 13030502 13030503 13030504 13030505 13030506 13030507 13030508 13030509 13030510 13030511 13030512 13030513 13030514 13030515 13030516 13030517 13030518 13030519 13030520* Right 13030601 13030602 13030603 13030604 13030605 13030606 13030607 13030608 13030609 13030610 13030611 13030612 13030613 13030614 1 1 1 1 1 1 1 1 1 1 1 1 1 1 mate ri al 1 2 3 4 rpkf 0.0 0. 064437 0.0 temp 333.15 Boundary Condi bound 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Boundary Cond bound 103030000 103040000 103050000 103060000 103070000 103080000 103090000 103100000 103110000 103120000 103130000 103140000 103150000 103160000 GSTRHotRodEquilibriumModel (1).i 9.8737e-3 0.010618 0.0113623 0.0121066 0.0128509 0. 0135952 0.0143395 0. 0150838 0.0158281 0. 0165724 0. 0173167 0.018061 0.018161 0.018669 interval 1 21 22 23 interval 1 21 23 interval 24 tion Data incr 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ition Data incr 0 0 0 0 0 0 0 0 0 0 0 0 0 0 type 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 type 101 101 101 101 101 101 101 101 101 101 101 101 101 101 code 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 code 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Page 6 factor 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0.01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 factor 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 0. 01905 node 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 node 1 2 3 4 5 6 7 8 9 10 11 12 13 14 13030615 13030616 13030617 13030618 13030619 13030620 13030701 13030702 13030703 13030704 13030705 13030706 13030707 13030708 13030709 13030710 13030711 13030712 13030713 13030714 13030715 13030716 13030717 13030718 13030719 13030720* Right 13030900 13030901 GSTRHotRodEquilibriumModel 103170000 0 101 1 103180000 0 101 1 103190000 0 101 1 103200000 0 101 1 103210000 0 101 1 103220000 0 101 1 source mult dmhl 100 0.0301 0.0 100 0.0343 0.0 100 0.0404 0.0 100 0.0464 0.0 100 0.0516 0.0 100 0.0561 0.0 100 0.0597 0.0 100 0.0625 0.0 100 0.0642 0.0 100 0.065 0.0 100 0.0648 0.0 100 0.0636 0.0 100 0.0616 0.0 100 0.0585 0.0 100 0.0544 0.0 100 0.0496 0.0 100 0.044 0.0 100 0.0377 0.0 100 0.0308 0.0 100 0.0247 0.0 Additional Boundary condition Data 0 hthd hlf hlr gslf gslr glcf glcr lbf node 0.0 3.048 3.048 0.0 0.0 0.0 0.0 1.0 20 (1) .i 0. 01905 0. 01905 0.01905 0.01905 0.01905 0. 01905 dmh r 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 15 16 17 18 19 20 num 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Page 7