2002 (DBADOSE) Development of Doe alculation Program(DBADOSE) Incorporating Alternative Source Term Due to Deign Bai Accident * *, **, **, ** **, * ( ) 167 ** ( ) 360-9 (PWR) TID- 14844[1] Reg Guide 14[2], TID-14844 30 1995 NR NUREG-1465[3], (IRP) IRP-9[4], IRP-26[5], IRP-60[6], IRP-26, NUREG-1465 IRP-60 (DBADOSE ) DBADOSE POSTDBA[7] STARDOSE[8], Abtract Source term preented in TID-14844 and Regulatory Guide 14 have been ued for radiological analyi of deign bai accident for licening exiting preurized water reactor (PWR) However, more realitic and phyically-baed ource term baed on reult of tudy and experiment for about 30 year after the publication of TID-14844 wa developed and preented in NUREG-1465 publihed by NR in 1995 In addition, IRP ha been reviing doe concept and criteria through the publication of IRP-9, 26, 60 and recommended effective doe concept rather than critical organ concept ince the publication of IRP-26 Accordingly, multipurpoe computer program called DBADOSE incorporating alternative ource term in NUREG-1465 and effective doe concept in IRP-60 wa developed omparion of reult of DBADOSE with thoe of POSTDBA and STARDOSE wa performed and verified and no ignificant difference and inaccuracy were found DBADOSE will be ued for evaluation of licening according to the dometic law that are expected to be revied in the near future 1 (PWR) 1
TID-14844 Reg Guide 14, NR 1962 TID-14844 30 NUREG-1465, (IRP) IRP-2, IRP-9, IRP-26 IRP-60, IRP-26 NR NR NUREG-1465 TID-14844 Reg Guide 14, NUREG-1465 IRP-26 (10FR20, 10FR50, 10FR100 ), (Reg Guide 1183[9] SRP1501) 2002-1 [10] 2003 [11] NUREG-1465 IRP-60, IRP-60 2 21 (LOA) (Non-LOA) - (Steam Line Break, SLB) - (Feedwater Line Break, FWLB) - (RP Locked Rotor, RP LR) - (ontrol Rod Ejection Accident, EA) - (Letdown Line Break, LDLB) - (S/G Tube Rupture, SGTR) - (Fuel Handling Accident, FHA) 211 (LOA) 5 (Annulu) (, ) 2
1 1 core = (i) = (i/ft 3 ) V = (ft 3 ) u = (i/ ft 3 ) Vu = (ft 3 ) = (ft 3 /hr) Rc = (1/hr) R = (1/hr) λ S = (1/hr) Ep = (%) 1 = (Anulu area) (i/ ft 3 ) V1 = (ft 3 ) 2 = (Anulu area) (i/ ft 3 ) V2 = (ft 3 ) Rf = (cfm) Rv = (cfm),, 8,, ) - (t=0) 0, 1 (1) 2,V 2 λ S S,V S R R Bypa F R ore R U,V U I,V I / 1 LOA 3
- 1 (2) - 1 (3) - 1 (4) ) SRP 652[12] NUREG/R-5966[14], DBADOSE - 1 (5) (6) - 1 (7) - 1 (8) - 2 1 (9), (10), (11) ),, 4
F1 F1+ F2 ( ) F2 F3 F2+F3 2 1 LOA, (1) V d / dt = R λ V ( Rl + Pg) c core dcy (2) V a da / dt = (10 fb) Rl λdcy Va a Rv a (3) dq / dt = fb ( Rl + Pg) + Rv a (4) d R / dt = ( R i + f 1 + f 2 ) Q ( λ dcy + R t ) R V (5) d / dt = f R c core ( λ + λ dcy ) V f ( Rl + Pg) ( u ) V d / dt = (1 f ) R λ V (1 f )( Rl + Pg) (6) u u c core dcy u u u ( ) u V d / dt = Rl (1 f ) { f (1 f ) } { λ V + a a b u dcy a (7) E R + R } f f v a (8) dq / dt = ( f b Rl + ( Pg (1 E pg )) ( f + (1 f ) u ) + (1 E f ) Rv a (9) d R / dt = ( Ri (1 Et ) + R f ) Q ( λ dcy + Rt ) R (10) E = 0 (10 E ) (10 E ) t 1 i c t = f1 + Ec f3 + f (11) R 2 V: (ft 3 ), d/dt : (i/ft 3 -ec ), Rc : (1/hr), core : (Bq), λ : (1/hr), : (i/ft 3 ), Rl: (ft 3 /hr ), Pg: (ft 3 /hr ), fb: (bypa), Rv : (cfm ), dq/dt : (Bq/ec), E f :, R f : (cfm) E c : (%), R f : (1/ec), F : /, : (cfm), f : /, E pg :, E f : R f : (cfm), E I : (%), E c : (%), f1 : (cfm), f2 : (cfm), f3 : (cfm) a :, i : intake, Q :, : pray, u : unpray, R : control room dcy 5
212 (Non-LOA) Non-LOA 3 4 3, 4 Q p Q & = Q & p ( 12) p, p Fuel ( / ) RS ( ) TT( ) Envir( ) Fuel RS ASG(Affected S/G) Envir Fuel RS ISG(Intact S/G) Envir Fuel RS DNSR( ) Envir Fuel SFP( ) FB( ) Envir ( ), Non-LOA Fuel ( / ) RS (, SFP ) SS(,,, ) Envir( ) ompartment fuel,, c, env, fuel p, d dt d dt d dt = r ( + λ) r = ( + λ) c = + R r e ( 1 f r ) ( + λ c DFe c Q & 1 f r r + DF d dt d dt e e c gi 1 ( Pre-accident Iodine Spike) ( 13-a) (Generated Iodine Spike) ) c ( 13-b) ( 14) = ( 15) c + = ( ) ( 16) r r + SI afw = ( ) ( 17) e 6
m r f r m e RS Steam Env m SI Liquid m afw 1/DF e SG 3 Non-LOA ( ) RS m SI m rb Air Liquid f rb F bdg F 1/DF rb BDG Env 4 Non-LOA ( ),, m, ompartment,,, f, DF, R, Q r, e, i, afw,,, 4 (13)~ (17) (13)~ (17) dx dt = ax + by + cz + d ( 18) X n+ 1 = (1 + a dt) X n + b dt Y n + c dt Z n + d dt ( 19), (13)~ (17)(18) (19) 2 2 ompartment 7
2 Non-LOA a) X a b Y c Z d r ( + λ) 1 e c ( + λ) DF e c - - - - - r ( 1 f r ) c Q - f r r - - - 1 m & e DF e c - m & + - - - - - r SI c + - - - - - r afw e m & b) X a b Y d rb ( + λ) Fbdg bdg ( + λ) V bdg Q - ( f 1 - - - f rb rb rb + ) DFrb Vbdg F bdg DF - bdg - F - - - m & rb + SI 22 (total effective doe, TED) D = X Q ( DF Q ) ( 20) ED / EDi i i D = X Q Br ( DF Q ) ( 21) ID / IDi i i (20) (21) D ED, D ID, X/Q, Br, DF Edi DF IDi i, Q I i 8
3 DBADOSE 5 (LOA) LOA NONLOA DBADOSE icrooft Viual Baic 60 GUI(Graphic Uer Interface), FORTRAN Digital Viual FORTRAN FORTRAN 90 95 GUI 2 (Baic+FORTRAN) (External Shell), (Dynamic Link Library, DLL), Window 95, 98 Window NT DOS Viual Baic (DBADOSE) LOA NONLOA : VB GUI : FORTRAN DLL : : 4 41 LOA 5 (DBADOSE) LOA POSTDBA STARDOSE, POSTDBA, STARDOSE, X/Q, LOA TID-14844 NUREG-1465, 9
42 LOA LOA 2 720 POSTDBA STARDOSE, POSTDBA joint frequency STARDOSE, POSTDBA STARDOSE 2 720 3 4 TID-14844 IRP-30 POSTDBA 5, STARDOSE 6 POSTDBA STARDOSE, POSTDBA STARDOSE 43 NONLOA NONLOA Non-LOA NONLOA LOA STARDOSE, 44 NONLOA NONLOA 7, 7 STARDOSE NONLOA 10% (Xe-135m : 152min, Xe-138 : 142min) 10% NONLOA STARDOSE Holdup Time 8 8 10% (EAB LPZ ) 10% 5 DBADOSE Reg Guide 14, NUREG-1465, SRP 64 SRP 652, NUREG/R-5966 TID-14844 IRP-30 IRP-60, DBADOSE,,, DLL 10
DBADOSE,,, 1) TID-14844, alculation of Ditance Factor for Power and Tet Reactor Site, US AE, 1962 2) Regulatory Guide 14, Aumption Ued for Evaluating the Potential Radiological onequence of a Lo of oolant Accident for Preurized Water Reactor, Rev2, US NR, 1974 3) NUREG-1465, Accident Source Term for Light Water Nuclear Power Plant, US NR, 1995 4) IRP, Publication 9, Recommendation of the International ommiion on Radiological Protection, 1966 5) IRP, Publication 26, Recommendation of International ommiion on Radiological Protection, 1977 6) IRP Publication 60, 1990 Recommendation of the International ommiion on Radiological Protection, IRP, 1991 7) Uer anual for POSTDBA, S&L Program No 098085-10,1978 8) STARDOSE Uer anual, Rev0, Poletar Applied Technology, Inc, 1998 9) Regulatory Guide 1183, Alternative Radiological Source Term for Evaluating Deign Bai Accident at Nuclear Power Reactor, US NR, 2000 10) 2002-1,,, 2002 11) 2002-00, ( ),, 2002 12) SRP 652, ontainment Spray a a Fiion Product leanup Sytem, USNR, 1988 13) NUREG/R-5966, A Simplified odel of Aerool Removal by ontainment Spray, SAND92-2689, US NR, June 1993 11
3 2 2 (i) LOAPOSTDBA ( 1) 2 (i) LOA STARDOSE ( 2) Kr-85m Kr-85 Kr-87 Kr-88 Kr-89 Xe-131m Xe-133m Xe-133 Xe-135m Xe-135 Xe-137 Xe-138 I-131 I-132 I-133 I-134 I-135 2368E+03 9930E+01 3373E+03 6176E+03 3756E+02 7917E+01 5585E+00 1444E+04 5202E+02 4399E+03 6057E+02 2312E+03 6223E+02 7233E+02 1251E+03 9115E+02 1122E+03 237E+03 992E+01 337E+03 618E+03 377E+02 791E+01 558E+00 144E+04 522E+02 439E+03 602E+02 230E+03 641E+02 756E+02 129E+03 964E+02 116E+03 101 101 097 096 097 095 097 Kr-85m Kr-85 Kr-87 Kr-88 Kr-89 Xe-131m Xe-133m Xe-133 Xe-135m Xe-135 Xe-137 Xe-138 I-131 I-132 I-133 I-134 I-135 9460E+02 4265E+01 1102E+03 2359E+03 2920E+00 3397E+01 2385E+00 6187E+03 4558E+01 1825E+03 5843E+00 1796E+02 6808E+02 6213E+02 1337E+03 5174E+02 1133E+03 981E+02 444E+01 115E+03 245E+03 293E+00 354E+01 248E+00 645E+03 493E+01 190E+03 569E+00 192E+02 620E+02 568E+02 122E+03 474E+02 103E+03 096 096 096 096 096 096 096 092 096 103 094 110 109 110 109 110 ) 1 = (LOA )/(POSTDBA ) 2 = (LOA )/(STARDOSE ) 4 720 720 720 (i) LOA POSTDBA ( 1) LOASTARDOSE ( 2) Kr-85m Kr-85 Kr-87 Kr-88 Kr-89 Xe-131m Xe-133m Xe-133 Xe-135m Xe-135 Xe-137 Xe-138 I-131 I-132 I-133 I-134 I-135 6305E+03 3967E+02 5002E+03 1363E+04 3756E+02 3140E+02 2147E+01 5676E+04 5224E+02 1421E+04 6057E+02 2318E+03 1716E+03 1120E+03 3191E+03 1023E+03 2419E+03 631E+03 397E+02 502E+03 137E+04 377E+02 314E+02 214E+01 567E+04 525E+02 142E+04 602E+02 231E+03 166E+03 113E+03 310E+03 107E+03 237E+03 099 101 103 099 103 096 102 Kr-85m Kr-85 Kr-87 Kr-88 Kr-89 Xe-131m Xe-133m Xe-133 Xe-135m Xe-135 Xe-137 Xe-138 I-131 I-132 I-133 I-134 I-135 7088E+03 1751E+04 2730E+03 1161E+04 2921E+00 6866E+03 1290E+02 6921E+05 4774E+01 2521E+04 5843E+00 1858E+02 1283E+05 2991E+03 4195E+04 1081E+03 1431E+04 724E+03 182E+04 285E+03 120E+04 293E+00 702E+03 136E+02 722E+05 518E+01 264E+04 569E+00 213E+02 116E+05 273E+03 379E+04 982E+02 130E+04 098 096 096 097 098 095 096 092 095 103 087 111 110 111 110 110 ) 1 = (LOA )/(POSTDBA ) 2 = (LOA )/(STARDOSE ) 12
5 POSTDBA LOA POSTDBA ( ) (rem) (rem) (EAB) TID-14844 178E+00 181E+00 098 148E+02 153E+02 097 IRP-30 138E+00 950E-01 145 920E+01 910E+01 101 TID-14844 109E-01 (LPZ) 109E-01 240E+01 230E+01 104 IRP-30 817E-02 504E-02 162 ) = (LOA )/(POSTDBA ) 162E+01 151E+01 107 6 STARDOSE LOA STARDOSE (rem) (rem) (EAB) TID-14844 811E-01 799E-01 102 159E+02 145E+02 110 IRP-30 616E-01 610E-01 101 986E+01 904E+01 109 TID-14844 156E-01 (LPZ) 146E-01 107 107E+02 962E+01 111 IRP-30 113E-01 107E-01 106 727E+01 654E+01 111 TID-14844 544E-01 640E-01 085 376E+00 391E+00 096 114E+03 108E+03 105 IRP-30 347E-01 399E-01 087 ) = (LOA )/(STARDOSE ) 102E+00 107E+00 095 772E+02 734E+02 105 13
7 2 (i) 1) NONLOA STARDOSE 2) Kr 85m Kr 85 Kr 87 Kr 88 Xe131m Xe133m Xe133 Xe135m Xe135 Xe138 I 131E I 132E I 133E I 134E I 135E I 131O I 132O I 133O I 134O I 135O 134 136 137 877E-02 432E-01 411E-02 169E-01 476E-01 274E-02 296E+01 290E-03 552E-01 306E-03 885E-02 123E-02 114E-01 350E-03 540E-02 184E-01 268E-02 238E-01 795E-03 115E-01 414E-04 737E-05 562E-04 889E-02 436E-01 427E-02 172E-01 479E-01 276E-02 298E+01 410E-03 557E-01 413E-03 E-01 139E-02 128E-01 408E-03 608E-02 223E-01 321E-02 287E-01 986E-03 138E-01 422E-04 750E-05 573E-04 099 099 096 098 099 099 099 071 099 074 088 088 089 086 089 082 083 083 081 083 098 098 098 1) E =, O=, 2) = (NONLOA )/(STARDOSE ) 8 ( ) (rem) NONLOA STARDOSE ) 383E-04 357E-04 107 837E-03 793E-03 102 165E-04 163E-04 102 383E-03 378E-03 105 140E-04 137E-04 101 105E-03 103E-03 101 ) = (NONLOA )/(STARDOSE ) 14