ML16207A638
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{{#Wiki_filter:UFSAR Section 15.6
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0 .a.* ftl G) 0 :r 2 0.2 - 0 0 ) 20 I 40 Time (Seconds} I 60 80 SOUTH TEXAS PROJECT UNITS 1& 2 RCS Full Power T ovg *593° F NUCLEAR POWER TRANSIENT FOR INADVERTENT OPENING OF A PRESSURIZER SAFETY VALVE FIGURE 15. 6-1 REVISION 12 L0801. 121 L0801. CIT
L 2400 li 2200 0.. ; 2000
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- a. -16QO Q,J N
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- I 1400 rn rn e 1200
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1000 0 20 40 60 80 T.lme {Seconds) 610~------------------------------------~ ~ 600 GJ... :s ! 590
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~ 580 cu C) f 570 ~ ct ~ 560 0 (.) 550 0 20 40 60 80 Time (Seconds) SOUTH TEXAS PROJECT UNITS 1 & 2 PRESSURIZER PRESSURE TRANSIENT AND CORE AVERAGE TEMPERATURE TRANSIENT FOR INADVERTENT OPENING OF A PRESSURIZER SAFETY VALVE FIGURE 15.6-2 REVISION 12 L0802.121 L0802.C IT _j
1y---------------------------------~ 6 5 a:4 lXI z c 3 2 1 0~-------r--------.---~~~------~ 0 20 40 Time ($econds) RCS Full Power T ovg *593° F 60 eo SOUTH TEXAS PROJECT UNITS 1 & 2 DNBR TRANSIENT FOR INADVERTENT OPENING OF A PRESSURIZER SAFETY VALVE FIGURE 15.6-3 REVISION 12 L0803. 121 L0803. CIT
8000~----~------~----~~--~------~----~------~----~ 7483 ft3 r-- - 70oot-----r----i-=~~~~1r----~--~~==~~---l c;;- /~ ~6000+-----~~~~--~----~-----4------+------+------~----~ ~ ~ 5000+-~~~~------r-----~-----4------+------+------~----~ ~ 4ooo I ~ ~ 3000+------+------r-----~----~------+------+------~----~
- s
~2000+-----~------r-----~-----4------+------+----~~----~
- s 0:::
1000+---~~------r-----~-----4------+------+------~------l 0+------+------r------r----~------+------+--~--r-----~ 0 1000 2000 3000 4000 5000 6000 7000 8000 Time (Seconds) SOUTH TEXAS PROJECT UNITS 1 & 2 STEAM GENERATOR TUBE RUPTURE MARGIN TO OVERFILL ANALYSIS-RUPTURED SG WATER VOLUME FIGURE 15.6-4 REVISION 15 L1108. 151 L 1108. CIT
1 BREAK OCCURS REACTOR TR:IP (LO COMPENSATED PRESSURIZER PRESSURE) Sl SIGNAL (HI~ CONT. PRESS. OR LO PRESSURIZER PRESS) ~ PUMPED SAFETY INJECTION BEGINS (ASSUMING OFFSITE POWER AVAILABLE) ACCUMULATOR INJECTION D :.. l1 CONTAINMENT HEAT REMOVAL SYSTEM INITIATION (ASSUMING OFFSITE POWER AVAILABL~~ END OF BYPASS l ~ ~-------------------- END OF SLOWDOWN F. t--PU_M_P_ED_* S_A_F_ETY_I_NJ_E_CT_IO_N_B_E_G_IN_S_(ASS_U_M_I_NG_LO_SS_OF_O_F_F_SI_TE_P_o_w_E_R) __ ! t t R E F L 0 0 D -- ~. l BOTTOM OF CORE RECOVERY CONTAINMENT HEAT REMOVAL SYSTEM INITIATION (ASSUMING LOSS OF OFFSITE POWER) ACCUMULATORS EMPTY CORE QUENCHED 0 SWITCH TO COLD LEG RECIRCULATION ON RWST LOW*LOW LEVEL SIGNAL M G T ~ ~ M SWITCH TO HOT LEG RECIRCULATION (MANUAL ACTION) c 0 0 L I H G SOUTH TEXAS PROJECT UNITS 1 & 2 SEQUENCE OF EVENTS FOR LARGE BREAK LOSS-OF..COOLANT ANALYSIS Figure 15.6*5 Revision 0
Beginning of Transient End of Slowdown SATAN n STPEGS UFSAR Bottom of Core Reoovery accumulator water mass and internal pressure and the pipe break mass and energy flow rates coco End of Transient Containment pressure 1 .t.
~.~--------------~~~----------~
End of blowdown thennal-hydrautic conditions and system inventories BASH reflood mass & energy core flooding rate, core exit quality. core inlet enthalpy 1- --_.~~---------------------Lo_c_s_AR __ T ____________________ ~I RCS pressure, enthalpy, density SOUTH TEXAS PROJECT UNITS 1 &2 CODE INTERFACE DESCRIPTION FOR LARGE BREAK MODEL Figure 15.6-6 Revision 7
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N 0 T R u M p CORE PRESSURE,CORE FLOW,MIXTURE LEVEL, AND FUEL ROD POWER HISTORY 0<TIME<CORE COVERED L 0 c .T A SOUTH TEXAS PROJECT UNITS 1& 2 CORE INTERFACE DESCRIPTION FOR SMALL BREAK MODEL FJGURE 15.6-7 REVISION 5 e LeB04.0S2 _j
STPEGS UFSAR 2200.------.------~----~----~~----~----~ 2000 ~ t'--.. ./"-' r- / 1800 ~ ~ / LL 1600 v (l) r-L r
- J 1400 A~
-+-" rv 0 L I I (1) a... 1 2 0 0 I I E (1) 1-1000 800+------+------~----~----~------~----~ i i i I i j 50 100 1 50 T. 1me i ( s ) i i 200 SOUTH TEXAS PROJECT UNITS 1 & 2 PEAK CLAD TEMPERATURE DECLG, CD::0.6, MIN Sl, HIGH TAVG, NON-IFBA Figure 15.6-8 Revision 7
STPEGS UFSAR 2500 2000 ~\\ 0 *- (f) o_ 1500 ~ Cl) ~ L. ".:) (/) 1000 (/) -~ <J.) L o_ ~ I-500 \\ ~ ~~ 0 i I 0 5 1 0 1 5 20 25 30 Time ( s ) SOUTH TEXAS PROJECT UNITS 1 &2 CORE PRESSURE DECLG, CD::0.6, MIN Sl, HIGH TAVG. NON-IFBA Figure 15.6-9 Revision 7
--+---' STPEGS UFSAR Core Mixture Level
Core Quench Front Oowncomer Mixture Level 25.--------r------~------~------~~------~----~
~ 15 ~r-----~-------4--------~------~------~------~ C) 10~-------r-------4---------~------~-------+------~ C) _j 5 150 200 300 Reflood SOUTH TEXAS PROJECT UNITS 1 & 2 REFLOOD TRANSIENT DOWNCOMER AND CORE WATER LEVELS DECLG, CD::0.6, MIN Sl, HIGH TAVG, NON-IFBA Figure 15.6-10 Revision 7
(/} c -+-' 0 0 (]) STPEGS UFSAR 12.-------~--------~------~--------~------~ 10~-------+--------+--------+--------+-------~ 8 I I 6 I j I I 4 2~-------+--------+--------+--------+-------~ I 0+-~~~-+~
- ~
! ~~+-~~'~-+--~~~+-~'~ i ~~ 0 50 100 150 200 250 Time After Reflood ( s ) SOUTH TEXAS PROJECT UNITS 1 & 2 REFLOOD TRANSIENT CORE INLET FLUID VELOCITY DECLG, CD=0.6, MIN Sl, HIGH TAVG, NON-IFBA Rgure 15.6-11 Revision 7
1 c:. 0 *- -+--J (..).a 0 L. LL... L. <l) ~.6 0 0.... Q) 0 (_).4 -o <J) N *- 0 . 2 E L. 0
- z 0
0 STPEGS UFSAR i c 5 1 0 1 5 Time ( s ) I I I I I 20 25 30 SOUTH TEXAS PROJECT UNITS 1 &2 CORE POWER TRANSIENT DECLG, CD=0.6, MIN Sl, HIGH TAVG. NON-IFBA Figure 15.6-12 Revision 7
STPEGS UFSAR 14~----~------~------~----~------~----~ 12 ~ I\\ '\\ 10~r---~~----~------+------4------~----~ .~ 1- ~~ ~ 8++----~------~----~~-----4------~----~
:---_ r-----
~ 6~----~------~------~-----+------~----~ ~ 4~----~-------r------+-----~------~----~ 2~----~------~------+-----~------~----~ OT-----~------~------+-----~------~----~ -2T-~~-;~~~~~~~!~~~ ' ~ ' ~~~~~~~~~ 0 50 100 150 Time ( s ) 200 250 300 SOUTH TEXAS PROJECT UNITS 1 &2 CONTAINMENT PRESSURE DECLG, CD::0.6, MIN Sl, HIGH TAVG. NON-IFBA Figure 15.S.13 Revision 7
STPEGS UFSAR 2200 I * ~ 2000 ..r-v f-1/ f-1800 /' LJ.._ ~ ) 1600 v ---+ r I Cl) I
- s 1400 I
--1---J I I 0 I Q.) I Q_ 1200 E v Cl) I t-1000 I
- 800 I
- 600 i
i i i i i i 0 50 100 1 50 200 250 300 Time ( s ) SOUTH TEXAS PROJECT UNITS 1 &2 PEAK CLAD TEMPERATURE DECLG, CD=0.8, MIN Sl, HIGH TAVG. NON-IFBA Figure 15.6-14 Revision 7
2200 2000 ~* I-1800 u_ 1600 1-- v Q) } L
- J 1400 I
-+-' I 0 ~ Q) o_ 12 00 E I <i.) r-1000 v 800 f.- 600 I i i 0 50 STPEGS UFSAR J ~ v ~ v / I I l I T I \\ I 100 1 50 T 1me i ( s ) 200 250 300 SOUTH TEXAS PROJECT UNITS 1 &2 PEAK CLAD TEMPERATURE DECLG, CD=O.S, MIN Sl, LOW TAVG. NON-IFBA Rgure 15.6-148 Revision 7
STPEGS UFSAR 2200 2000 / 1/ 1800 / LL. -~ 1600 rf <J..) ~
- J 1400 '
7 0 \\._ Q) Q_ 12 00 v E <J..) 1-1000 1-800 600 i j i 0 50 100 150 Time ~ ll\\ i 200 ( s ) ~ ~ i 250 300 350 SOUTH TEXAS PROJECT UNITS 1 & 2 PEAK CLAD TEMPERATURE DECLG, CD=0.8, MAX Sl, HIGH TAVG. IFBA Figure 15.6-14b Revision 7
STPEGS UFSAR 2500,-------~------~------~------~------~ 2000 0 *- (/) CL 15QQ (J)
- 3 (f) 1000 (f)
<l> L Q_ 500 \\ ~ I i 5 1 0 Time 15 ( s ) 20 25 SOUTH TEXAS PROJECT UNITS 1 &2 CORE PRESSURE DECLG, CD::0.8, MIN Sl, HIGH TAVG. NON-IFBA Figure 15.6-15 Revision 7
STPEGS UFSAR 2500.-----~------~----~------~----~----~ 2000 0 *- ()) 0.. 1500 Q) ~
- J C/) 1000 en (1)
~ Q_ 500 ~ ** 5 1 0 t 5 Time ( s ) 20 25 30 SOUTH TEXAS PROJECT UNITS 1 &2 CORE PRESSURE DECLG, CD=0.8, MIN Sl, LOW TAVG. NON-IFBA Figure 15.6-15a Revislon7
STPEGS UFSAR 2500.-------~------~------~------~------~ 2000~------,_------~------~-------+------~ 0 ~\\ I
- 1500T-~r---~------41-------4------~------~
i I i i i l ~ 1 00 o -t----+-----~~- -r-- 500 -t-~ ---4-----+--~ Q_ 0 5 1 0 Time 1 5 ( s ) 20 25 SOUTH TEXAS PROJECT UNITS 1 & 2 CORE PRESSURE DECLG, CD=0.8, MAX Sl, HIGH TAVG. IFBA Figure 15.6-15b Revision 7
-+-' STPEGS UFSAR Core Mixture Level
Core Quench Front Downcomer Mixture Level 25.-------~------~------~--------~------~------~
~ 15 ~,-------r------~--------+-------~------~------~ (f) (J) 10 ~------~------~--------+-------~-------4------~ (J) 5 0 1me 150 200 300 Reflood SOUTH TEXAS PROJECT UNITS 1 &2 REFLOOD TRANSIENT DOWNCOMER. AND CORE WATER LEVELS DECLG, CD=0.8, MIN Sl, HIGH TAVG, NON-IFBA Figure 15.6-16 Revision 7
-+-' STPEGS UFSAR Core Mixture Level
Core Quench Front Downcomer Mixture Level 25.-------~------.-------~------~------~----~
~ 15 T-r------+--------~------~-------+--------~------~ (1) 10 ~-------+--------~------4--------+--------~-------~ <1.) __J 5 0 50 Time 100 A f t e r 150 200 250 300 Reflood ( s ) SOUTH TEXAS PROJECT UNITS 1 & 2 REFLOOD TRANSIENT DOWNCOMER AND CORE WATER LEVELS DECLG, CD::0.8, MIN Sl, LOW TAVG, NON-IFBA Figure 15.6-168 Revision 7
-+-' STPEGS UFSAR Core Mixture Level
Core Quench Front Downcorner Mixture Level 25.------.------~----~------~----~------~----~
20~~---+------+-----~------~----~----~----~ 4-15 ~~----r------1-------+------~-------+-------~-----~ (}) 10 ~------+-----~-------+------~------~------~------~ (J) ~ 5 0 50 1 0 0 Time 1 50 A f t e r 2 0 250 300 350 Reflood (s) SOUTH TEXAS PROJECT UNITS 1 &2 REFLOOD TRANSIENT DOWNCOMER AND CORE WATER LEVELS DECLG, CD=0.8, MAX Sl, HIGH TAVG, IFBA Rgure 15.6-16b Revision 7
{/) c *- ...f-J u 0 (l) STPEGS UFSAR 12.-------~--------~------~------~------~ 10~-------+--------r-------~-------4------~ 8 I 6 I 4 I 2~-------+--------~------~-------4------~ I 0 0 50 100 Time A f t e r i i 150 200 250 Reflood ( s ) SOUTH TEXAS PROJECT UNITS 1 &2 REFLOOD TRANSIENT CORE INLET FLUID VELOCITY DECLG, CD=O.S, MIN Sl, HI:GH TAVG, NON-IFBA Figure 15.6-17 Revision 7
STPEGS UFSAR 14.--------.--------.-------~--------~------~ 12~------~--------+--------+--------+-------~ ..--.. 10 C/) c *- --+--' *- 0 0 (}) 8 i 6 4 2~-------+--------+--------+--------~------~ l 1-0 i 0 50 100 Time A f t e r 150 200 250 Reflood ( s ) SOUTH TEXAS PROJECT UNITS 1 &2 REFLOOD TRANSIENT CORE INLET FLUID VELOCITY DECLG, CD::O.B, MIN Sl, LOW TAVG, NON-IFBA Figure 15.6-17a Revision 7
(/) c: -+-' 0 0 Q) STPEGS UFSAR 14.-------~--------~------~--------~------~ 1-12~-------+--------4--------4--------4-------~ 1 0 8 "' 0 4 2~-------+--------+-------~--------4-------~ I 0 50 100 Time After 1 50 Reflood 200 ( s ) 250 SOUTH TEXAS PROJECT UNITS 1 &2 REFLOOD TRANSIENT CORE INLET FLUID VELOCITY DECLG, CD=0.8, MAX Sl, HIGH TAVG, Figure 15.6-17b IFBA Revision 7
STPEGS UFSAR 1 c 0 *- -+-' (.). 8 0 ~ LL L (1) ~.6 0 o_ l (!) I L 0 I (_). 4 ---+ ! -o I (}) I N I I 0 .2 E L 0
- z 0
i l i i i 0 5 1 0 1 5 20 25 Time ( s ) SOUTH TEXAS PROJECT UNITS 1 &2 CORE POWER TRANSIENT DECLG, CD::O.S, MIN Sl, HIGH TAVG, NON-IFBA Figure 15.6-18 Revision 7
1 c 0 *- u . 8 0 lo...- LL lo...- (1) ~. 6 0 Q_ (1) L 0 (_). 4 I I -o (1) N *- 0 . 2 E L. 0
- z:
0 0 5 STPEGS UFSAR I i 1 0 1 5 Time ( s ) I I f I I 20 25 30 SOUTH TEXAS PROJECT UNITS 1 & 2 CORE POWER TRANSIENT DECLG, CD::0.8, MIN Sl, LOW TAVG. NON-IFBA Figure 15.6-18a Revision 7
STPEGS UFSAR 1 c 0 *- -+-' (.).a 0 lr..- LL L Q) 3. 6 0 Q_ (].) lr..- 0 u . 4 -o (].) N *- 0 . 2 E lr..- r 0
- z 0
j 0 5 1 0 1 5 20 25 Time ( s ) SOUTH TEXAS PROJECT UNITS 1 & 2 CORE POWER TRANSIENT DECLG, CD=0.8, MAX Sl, HIGH TAVG, IFBA Figure 15.6-18b Revision 7
Q) ~ ~ C/) U) Q) Q_ STPEGS UFSAR 14.-----~,-----~------~----~~----~----~ 6 4 f.- 2 f-f- 0 -2 i 0 50 100 I t I 1 50 Time ( s ) 1 l i 200 250 300 SOUTH TEXAS PROJECT UNITS 1 &2 CONTAINMENT PRESSURE DECLG, CD::0.8, MIN Sl, HIGH TAVG, NON-IFBA Figure 15.6-19 Revision 7
STPEGS UFSAR 14.------.------~------~----~------~----~ 12 - (\\ '\\ ~10rr--~,~~----~----~---+----~--~ (/) 8 ---t-t-----+----+-r---..__~-....:::--+--------t------1-------l
r------._
Q) 6~----~------~------~----~------+-----~ U) m 4~----~-----~------~----~------+-----~ Cl) 2~----~------4-------~----~------+-----~ 0 f-- f-- -2 1 0 50 100 150 Time ( s ) 200 250 300 SOUTH TEXAS PROJECT UNITS 1 &2 CONTAINMENT PRESSURE DECLG, CD=0.8, MIN Sl, LOW TAVG, NON-IFBA Figure 15.6-19a Revision 7
STPEGS UFSAR 14~----~----~----~----~----~----~----~ 1 2 -t-t-~-+---i----+-------+--------l~~--+-~ 1 0 -t-t--\\___,.ld----t-----+-----+-~ ~ 8 - r--*-----t-~-----f-3-~--+--------1------+-----+----l ~~ I 0.... ~ 6 -tt-------t------f-----+---~"'C::"" ........ +-~---+-----+--------l ~ r------_r-C/) 4 ------+----+----+-----+----+--
+-----i (1) 2- ----~--~---~~----~---~--+---~
OT------t-----~----~----~-----+----+----~ I ~ 0 50 100 150 T. 1me t 200 ( s ) 250 300 350 SOUTH TEXAS PROJECT UNITS 1 & 2 CONTAINMENT PRESSURE DECLG, CD::0.8, MAX Sl, HIGH TAVG.IFBA Figure 15.6-19b Revision 7
STPEGS UFSAR 2200~----~------~----~----~------~----~ 2000 1800 LL. 1600 1/ Cl) ,:::, 1400 -+-' /1 0 L Q) a.. 1200 E I <l.) 1-1000 v 800 600 0 50 ~ // / v 100 150 Time I ! I I 1 I I --* I i I I ! I ! ! i I I I i ( s ) 200 250 300 SOUTH TEXAS PROJECT UNITS 1 & 2 PEAK CLAD TEMPERATURE DECLG, CD=1.0, MIN Sl, HIGH TAVG. NON-IFBA Figure 15.6-20 Revision 7
STPEGS UFSAR 2500~------~------~~----~--------~----~ 2000 0 *- (f) 0.. 1500 \\ Cl) L
- J (f) 1000 (f)
(1) L (L 500 5 1 0 Time 15 ( s ) 20 25 SOUTH TEXAS PROJECT UNITS 1 & 2 CORE PRESSURE DECLG, CD::1.0, MIN Sl, HIGH TAVG, NON-IFBA Figure 15.6-21 Revision 7
-+-' 4-(/) Q) Q) ___J STPEGS UFSAR Core Mixture Level
Core Quench Front Downcomer Mixture Level 25.--------r------~------~~------~------~------~
1 5 1 0 5 1 50 2 0 2 0 300 Reflood ( s ) SOUTH TEXAS PROJECT UNITS 1 & 2 REFLOOD TRANSIENT DOWNCOMER AND CORE WATER LEVELS DECLG, CD=1.0, MIN Sl, HIGH T AVG, NON-IFBA Rgure 15.6--22 Revision 7
en c ~ -+--' (.) 0 Q) STPEGS UFSAR 12.--------.--------~------~------~------~ 10~-------+--------~------~------~------~ 8 I 6 I I I I 4 2~-------+--------~------~-------4------~ f - l 1--- o~--~~ ' -+~~*~~~--~~~~~-L~'-4---L~~~
- ~
0 50 100 150 200 250 Time After Reflood ( s ) SOUTH TEXAS PROJECT UNITS 1 & 2 REFLOOD TRANSIENT CORE INLET FLUID VELOCITY DECLG, CD=1.0, MIN Sl, HLGH TAVG, NON-IFBA Figure 15.6-23 Revision 7
1 c 0 *- -+-' u .8 0 L... LL L Q) 3:.6 0 CL <1) I I.- 0 (_). 4 -o Q) N 0 .2 E \\.._ 0
- z:
0 0 STPEGS UFSAR 5 1 0 1 5 Time ( s ) 20 25 SOUTH TEXAS PROJECT UNITS 1 & 2 CORE POWER TRANSIENT DECLG, CD=1.0, MIN Sl, HIGH TAVG. NON-IFBA Figure 15.6-24 Revlslon7
c:Yl (I) Q.._ --- Cl) )...._
- 5 (f)
(/) (I) 1....- o_ STPEGS UFSAR 1 4 ~~ 1 2 \\ 1 0 f.. ~ I---_ I 8
r-----1 I
6 - -* I I 1 I 4 I 2 OT-----~------~----~~----~------+------~ -2 0 50 100 15 0 Time i ( s ) i 200 250 300 SOUTH TEXAS PROJECT UNITS 1 &2 CONT~NMENTPRESSURE DECLG, CD=1.0, MIN Sl, HIGH TAVG.. NON-IFBA Figure 15.6-25 Revision 7
STPEGS UFSAR 2200 ~ ~~ ~ 2000 !L/ / 1800 f* /T I....L.._ f-1600 A I Q) ( I L I
- J 1400
-+-' I I I a I L I Q.) 0... 1200 E v l I (1) I- ~ 1000 I I I 800 soo~~~*-r~
- ~*~~
- ~~~~~
- ~*~~*~
! ~
- ~~~~~
0 50 100 150 Time ( s ) 200 250 300 SOUTH TEXAS PROJECT UNITS 1 & 2 PEAK CLAD TEMPERATURE DECLG, CD=0.8, MIN Sl, HIGH TAVG. IFBA Figure 15.6-26 Revision 7
STPEGS UFSAR 2500.--------.------~--------~------~------~ 2000 0 *- Cf) CL 15 QQ (l) L- =:) (/') 1000 Cf) (].) CL 500 0 I i I i l i\\ f.- ~ I f.- ~ -+-----!---~-----*-+ ---*-*--+------+------1 i i i i I f-I 0 5 1 0 Time ~ ~ 1 5 ( s ) I 20 25 SOUTH TEXAS PROJECT UNITS 1 & 2 CORE PRESSURE DECLG, CD=0.8, MIN Sl, HIGH TAVG,IFBA Figure 15.6-27 Revision 7
-+-' STPEGS UFSAR Core Mixture Level Core Quench Front Downcomer Mixture Level 25.-------.-------~------~------~------~------- 4-15 ~,-------r------~--------+-------~------~------~ 10 ~~-----+------~~------+-------~------~------~ 5 0 1 0 2 0 0 Reflood SOUTH TEXAS PROJECT UNITS 1 & 2 REFLOOD TRANSIENT DOWNCOMER AND CORE WATER LEVELS DECLG, CD=0.8, MIN Sl, HIGH TAVG, IFBA Figure 15.S.28 Revision 7
STPEGS UFSAR 1 2 1 0 (I) -t ~ 8 I c I i I I 6 -+-I 0 I 0 I 4 1----- (1) I I 2 I ~ 0 i ~ i ~ i 0 50 1 0 0 150 200 250 Time A f t e r Reflood ( s ) SOUTH TEXAS PROJECT UNITS 1 & 2 REFLOOD TRANSIENT CORE INLET FLUID VELOCITY DECLG, CD=0.8, MIN Sl, HIGH TAVG, IFBA Figure 15.6-29 Revision 7
1 c 0 *- ~ 0 . 8 0 I...... LL \\..._ Q) ~. 6 0 o_ Q) \\..._ 0 (_).4 -o Q) N *- ~ 0 . 2 E I...... 0 z: ~ 0 i 0 5 STPEGS UFSAR i 1 0 1 5 T 1me ( s ) I i i i I 20 25 SOUTH TEXAS PROJECT UNITS 1 & 2 CORE POWER TRANSIENT DECLG, CD::0.8, MIN Sl, HIGH TAVG,IFBA Figure 15.6-30 Revision 7
en (f) 0... Q) \\._
- )
(f) (/) Q) \\._ CL STPEGS UFSAR 14~----~------~------~----~------~------ -{\\ 1 0 8 6 4 2 0 -2 i 0 50 100 150 Time
r-----
1 r----- ( s ) 1 I I I ! J i 200 250 300 SOUTH TEXAS PROJECT UNITS 1 & 2 CONTAINMENT PRESSURE DECLG, CD::0.8, MIN Sl, HIGH TAVG,IFBA Figure 15.&-31 Revision 7
-en ~ E ...0 <l.) -+-J 0 cr: S: 0 LL_ en (f) 0 ~ STPEGS UFSAR Core Inlet Flow
Core Outlet Flow 40000.-------~--------~----------------~------~
30000 20000 10000 0 -10000 1-I tJ1 If I I I I!, I 1, t ----*- --- \\ I \\I\\ I '"' J\\ ~ t\\-,_, l ( v~ ~L-j 0 5 1 0 Time 1 5 20 25 ( s ) SOUTH TEXAS PROJECT UN*ITS 1 & 2 CORE FLOW, INLET AND OUTLET DECLG, CD=0.8, MIN Sl, HIGH TAVG. IFBA Rgure 15.6-32 Revislon7
5 1 0 LJ.._ I ~ N -+-' 4-4 1 0 L. 1:: ....c ~ -+-' CD --- 16 4-4-- Q) 0 (_) 2 1 0 ~ (J) 4- .A
- ' \\
en c 0 1 L. 1 0 J- ~ -+-' 0 (l) I 0 1 0 0 STPEGS UFSAR 1 I j l -~ ~ ~, ~v-- 50 100 150 Time ( s ) I I I I I --l I I I I I .A w ------ 200 250 300 SOUTH TEXAS PROJECT UNITS 1 & 2 HEAT TRANSFER COEFFICIENT DECLG, CD=0.8, MIN Sl, HIGH TAVG.IFBA Figure 15.6-33 Revision 7
STPEGS UFSAR 2000 1800 ~ !\\ \\ 1600 r\\-~* _IV'-.. ~ LJ_ Lt. v .~~ 1400 I ~ \\{ IV I Cl) I I ~ -+--' 1200 ~ 0 I.- <lJ Q_ 1 000 E (1) ~ 800 -I 600 I \\J I 400 - f-----i--.. : i i i I 0 50 100 150 200 250 300 Time ( s ) SOUTH TEXAS PROJECT UNITS 1 & 2 FLUID TEMPERATURE AT HOT SPOT DECLG, CD::0.8, MIN Sl, HIGH TAVG, IFBA Figure 15.6-34 Revlslon7
100000 f-f- f-80000 i\\ 0 (]) {/) 60000 E _o 3:: 40000 0 LL 20000 0 (I) L co 0 f-f-- -20000 0 5 STPEGS UFSAR I I I I I I I I --J '~ i I ~ ~- i 1 0 Time 1 5 20 25 ( s ) SOUTH TEXAS PROJECT UNITS 1 & 2 BREAK MASS FLOW RATE DECLG, CD=0.8, MIN Sl, HIGH TAVG. IFBA Figure 15.6-35 Revision 7
0 Q) (I)
- )
1-- m 01 \\......_ Q) c w ...Y 0 Q) m STPEGS UFSAR .5[+08 .4Et08 \\ .3[+08 \\ I 1\\ i I I .2Et08 '\\I ~ .1Et08 I I 0 -.1[+08 I 0 5 1 0 Time ~ "----~ 15 20 25 ( s ) SOUTH TEXAS PROJECT UNITS 1 & 2 BREAK ENERGY FLOWRATE TO CONTAINMENT DECLG, CD=0.8, MIN Sl, HIGH T AVG, IFBA Figure 15.6-36 Revision 7
STPEGS UFSAR 1 . 8 >--. 6 I ~I./ ~~~~ J' r ~I -+-' ~J\\ ~
/'-'
LJ ~ 0 ~ a .4 ~ . 2 r-0 i i i i 0 50 100 150 200 250 300 Time ( s ) SOUTH TEXAS PROJECT UNITS 1 &2 FLUID QUALITY AT HOT SPOT DECLG, CD=0.8, MIN Sl, HIGH TAVG. IFBA Figure 15.6-37 Revision 7
STPEGS UFSAR 40 N -+-' 20 4-I rn ~ E ~ ...0 ~ M hV ~ 0 ..J I X
- J l
I J ( LL i en I (!} -20 I 0 2: -40 l i i 0 50 100 150 200 250 300 Time ( s ) SOUTH TEXAS PROJECT UNITS 1 & 2 MASS FLUX AT HOT SPOT DECLG, CD:0.8, MIN Sl, HIGH TAVG, IFBA Figure 15.6-38 Revision 7
STPEGS UFSAR 7000 I- ~ u <l) 6000 I (/) I-I E 1- ...0 5000 ~ A/ (J) -+--J 0 4000 I v 3: 0 I I LL 3000 I !a.,_ 0 I- -+-' I 0 2000 I I-I
- 3 E
1-
- l
(.) 1000 u I <( f-1- 0 0 5 1 0 1 5 20 25 Time ( s ) SOUTH TEXAS PROJECT UNITS 1 & 2 ACCUMULATOR FLOW RATE (BLOWDOWN) DECLG, CD=0.8, MIN Sl, HIGH TAVG, IFBA Rgure 15.6-39 Revision 7
6000 ~ 5000 (f) E ....0 ~ 4000 Q) -+-" 0 3000 0:::: 3: 0 1-LL 2000 (f) (/) 0
- 2: 1000 f-..
0 0 50 T 1me STPEGS UFSAR __j* i i l i 100 150 200 After Reflood ( 250 300 s ) SOUTH TEXAS PROJECT UNITS 1 & 2 ECCS INJECTION RATE DURING REFLOOD DECLG, CD=0.. 8, MIN Sl, HIGH TAVG, IFBA Figure 15.6-40 Revision 7
2<<1~--~------------------------------------~ 1ime (a) SOUTH TEXAS PROJECT UNITS 1 & 2 RCS DEPRESSURIZATION TRANSIENT 2-INCH BREAK HIGH LOOP TEMPERATURE HIGH MFW TEMPERATURE FIGURE 15. 6-41 REVISION 11 L11Jia. 111 L1130. CIT _j
] j Time (*) SOUTH TEXAS PROJECT UNITS 1 & 2 CORE MIXTURE HEIGHT 2-lNCH BREAK HIGH LOOP TEMPERATURE HIGH MFW TEMPERATURE FIGURE 15.6-42 REVISION 11 L1131.111 L1131. CIT _j
600 ? 500 l 400 I I 300 j 200 100 0 lime (*) SOUTH TEXAS PROJECT UNITS 1 & 2 CORE STEAM FLOW 2-JNCH BREAK HIGH LOOP TEMPERATURE HIGH MFW TEMPERATURE FIGURE 15. 6-43 REVISION 11 L1132.111 L1132. CIT _j
s I 1&00~----------------------------------------~ SOUTH TEXAS PROJECT UNITS 1 8c 2 CLAD TEMPERATURE TRANSIENT 2-JNCH BREAK HIGH LOOP TEMPERATURE HIGH MFW TEMPERATURE FIGURE 15.6-44 REVISION 11 L11.33.111 L1133. CIT _j
I 1100~----------------------------------------~ nme (*) SOUTH TEXAS PROJECT UNITS 1 & 2 HOT SPOT FLUID TEMPERATURE 2-INCH BREAK HIGH LOOP TEMPERATURE HIGH MFW TEMPERATURE FIGURE 15.6-45 REVISION 11 L1134.111 L1134. CIT _j
1{~------------------------------------------~ nme (*) SOUTH TEXAS PROJECT UNITS 1 & 2 ROD FILM HEAT TRANSFER COEFFICIENT 2-JNCH BREAK HIGH LOOP TEMPERATURE HIGH MFW TEMPERATURE FIGURE 15.6-46 REVISION 11 L1135.111 L1135. CIT _j
~ (1) ~ 0 0.... ""0 Q) N *- -0 E L 0 z 1 ~----------r---------~----------------------- ~ ~ .8 1- .6 ~ ~ ~ .4 ~ . 2 1-1- 0 _I I I I 0 5000 I I 10000 Time 15000 20000 (s) SOUTH TEXAS PROJECT UNITS 1 & 2 CORE POWER AFTER REACTOR TRIP Common to oil cases FIGURE 15.6-4 7 REVISION 6 L8844.161
i j 2~~------------------------------------------~ 2200 2UX) 11100 1800 1400 1200 1000 lime (1) I I !D)() SOUTH TEXAS PROJECT UNITS 1 & 2 RCS DEPRESSURIZATION TRANSIENT 2-INCH BREAK HIGH LOOP TEMPERATURE LOW MFW TEMPERATURE FIGURE 15. 6-48 REVISION 11 L11.36. 111 L1136. CIT _j
~ - ~ f
- 3 -
.2!
- 2
~,-------------------------------------------------~ 30 25 20 15~~~._~~~~~._~~~~._~--~~~~~~~~ 0 lime (s) 5000 SOUTH TEXAS PROJECT UNITS 1 8c 2 CORE MIXTURE HEIGHT 2-INCH BREAK HIGH LOOP TEMPERATURE LOW MFW TEMPERATURE FIGURE 15.6-49 REVISION 11 L 1137. 111 L1137. CIT _j
s I nme (*) SOUTH TEXAS PROJECT UNITS 1 & 2 CLAD TEMPERATURE TRANSIENT 2-JNCH BREAK HIGH LOOP TEMPERATURE LOW MFW TEMPERATURE FIGURE 15.6-50 REVISION 11 L113B.111 L1138. ClT _j
2400 -. 22CO- ~ 2000 ~ ""' i 18m-I 1600. --. 1-400 * ~ r 1200 *. - f-1000 .I I I I I I t I t KhJ I j I f I I I I 400o Time (*) SOUTH TEXAS PROJECT UNITS 1 & 2 RCS DEPRESSURIZATION TRANSIENT 2-INCH BREAK LOW LOOP TEMPERATURE HIGH MFW TEMPERATURE FIGURE 1 5. 6-51 REVISION 11 L1139..111 L1139. CIT _j
] j SOUTH TEXAS PROJECT UNITS 1 & 2 CORE MIXTURE HEIGHT 2-INCH BREAK LOW LOOP TEMPERATURE HIGH MFW TEMPERATURE FIGURE 15.6-52 REVISION 11 L1140.111 L1140. CIT _j
1400 1200 s t 1~ 800 nme (*) SOUTH TEXAS PROJECT UNITS 1 & 2 CLAD TEMPERATURE TRANSIENT 2-INCH BREAK LOW LOOP TEMPERATURE HIGH MFW TEMPERATURE FIGURE 15.6-53 REV1SION11 L1141.111 L1141. CIT _j
Time (*) SOUTH TEXAS PROJECT UNITS 1 & 2 RCS DEPRESSURIZATION TRANSIENT 2-INCH BREAK LOW LOOP TE~PERATURE LOW MFW TEMPERATURE FIGURE 15.6-54 REVISION 11 L1142. 111 L1142. CIT _j
I 1tme <*> SOUTH TEXAS PROJECT UNITS 1 8c 2 CORE MIXTURE HEIGHT 2-INCH BREAK LOW LOOP TEMPERATURE LOW MFW TEMPERATURE FIGURE 15.6-55 REVISION 11 L1143.111 L1143. CIT _j
lime (*) SOUTH TEXAS PROJECT UNITS 1 & 2 CLAD TEMPERATURE TRANSIENT 2-INCH BREAK LOW LOOP TEMPERATURE LOW MFW TEMPERATURE FIGURE 15.6-56 REVISION 11 L1144.111 L1144. CIT _j
0 Q) (/) E _o Q) -+-' 0 0::: ~ 0 u_ (/) (/) 0 2 500 400 300 200 100 0 0 500 1000 Pressure 1500 2000 <psia) SOUTH TEXAS PROJECT UNITS 1 8c 2 SMALL BREAK SAFETY INJECT I ON F'LOW RATE VERSUS RCS PRESSURE F' IGURE 15.6-57 REVISION 6 l0854.e61
14 r-r- r-12 1- ....f-J '+- 1- ~ 10 .::::{. r-1- L <l) 1- ~ 8 0 Q_ 0 0 6 0 _J v ~ 1-1- 1-2 ..I 0 I ~ v J J ~ ~ ~ v ~ _1 r r _1 1 I ..1 I 2 4 6 Elevation f I I I _1_ _1_ I f I 8 10 12 14 (ft) SOUTH TEXAS PROJECT UNITS 1& 2 SMALL BREAK POWER SHAPE FIGURE 15.6-58 REVISION 6 UB55.06t
Revision 17 1. 65 -~*~-!""' =* ~~w-1.60 " ~ 1.55
- I: 1.50
<I
- u. 1.45
" ~ 1.40 1.35 0
- 10 20 30 40 50 60 70 Rod Burnup (GWD/MTU)
Includes Uncertainties Hot Assembly Average Power (PHA) follows the same bum down since it is a function of F AH. SOUTH TEXAS PROJECT UNITS 1 & 2 F AH Peaking Factors Assumed in the Evaluation of TCD Figure 15.6-59
Revision 17
- 2. 60 ----.----------r-------.-------,----,--------,----.-------
- 2. 50 ----t----+-----+--"'-~~-!---+-----t-----1
- 2. 40 ----l--1----+---t--~~--t----+--1
~ 2. 30 -+---1-----+----+------~~--~------+-------1
- 2. 20 -+----+---+----t-----t--P.,_,._~-1--1
- 2. 1 0 ----t------1-----+---t----1----t------~,--+------t
""~
- 2. 00 -+---1-----+----+------t-----1------+-------1 0
1 0 20 30 40 50 60 70 Includes Uncertainties Rod Burnup (GWD/MTU) SOUTH TEXAS PROJECT UNITS 1 & 2 F Q Peaking Factors Assumed in the Evaluation of TCD Figure 15.6-60}}