ML062050013

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Attachment 1 to TXX-0612 Response to Requests for Additional Information for the Replacement Steam Generator Supplement to Txu Powers Large and Small Break Loss of Coolant Accident Analysis Methodologies, Pages 75 Through 216
ML062050013
Person / Time
Site: Comanche Peak Luminant icon.png
Issue date: 07/17/2006
From:
TXU Power
To:
Office of Nuclear Reactor Regulation
References
CPSES-200601350, TAC MC6899, TXX-06125
Download: ML062050013 (50)
v • d • e


Text

Attachment I to TXX-06 125 Page 75 of 216 CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break CL 0.

14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 0

200 400 600 800 1000 Time (sec) 1200 Figure C-6 Hot Assembly Collapsed Water Level in Break

Attachment I to TXX-06 125 Page 76 of 216 CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break 1300.0 12000 HTTEMP 129101108 uHTTEMP 129101208 HTTEMP 129101308 xHTTEMP 129101408 0-1000.0 CL

8. 00.0-7- 00.0 xx 700.0 600.0 0

600 1000 1200 Time (sec)

Figure C-7 Hot Assembly Clad Temperatures in Break C 0 Cý,

to TXX-06 125 Page 77 of 216 CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break 1.2 1.0

.2 0.8

~0.2 0.0 0

200 400 600 800 1000 Time (sec)

Figure C-8 Loop Seal Void Fractions in Break 1200 r c2c;ý to TXX-06 125 Page 78 of 216 CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break 400.0 350.0 S300.0 250.0 m 250.0 0

1 00.0 150.0-

-- MFLOWJ aMFLOWJ MFLOWJ x MFLOWJ 735000000 736000000 737000000 738000000 K

N 0.0 p

p I-

-in, I

0 200 400 600 Time (sec) 800 1000 1200 Figure C-9 Accumulator Mass Flow Rates in Break to TXX-06 125 Page 79 of 216 CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break 3000.0 2500.0 2000.0 1500.0 1000.0 E

0 500.0 0.0 I

0 200 400 600 800 1000 Time (sec) 1200 Figure C-10 Break Flow Rate in Break

Attachment I to TXX-06 125 Page 80 of 216 CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break E

0 C,,

C.,

-ii 0

120.0 100.0 80.0 60.0 40.0 20.0 0.0 0

200 400 600 800 1000 Time (sec) 1200 Figure C-l I Total Pumped ECCS Flow Rate in Break to TXX-06125 Page 81 of 216 CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break 1400 A

1200 LL

.2 1000 E

c800 7-PCT Node (10.125 ft)

LNo Rupture Predicted 600 400 0

200 400 600 Time (sec) 800 1000 1200 Figure C-12 TOODEE2 Clad Temperature in Break to TXX-06 125 Page 82 of 216 14.0 12.0 10.0 8.0 6.0 a,

0J a)

CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break

-I 4.0 2.0 0.0 0

200 400 600 Time (sec) 800 1000 1200 Figure C-13 Core Mixture Level in Break

Attachment I to TXX-06 125 Page 83 of 216 CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break 30.0 25.0

> 20.0 0

EJ 0

10.

0.

0 5.0 0.0 0

200 400 600 800 1000 Time (sec) 1200 Figure C-14 Downcomer Liquid Level in Break

Attachment I to TXX-06 125 Page 84 of 216 CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break 850.0 800.0 TEMPG 122010000 uTEMPG 123010000 TEMPG 124010000 750.0 xTEMPG 125010000 0.

600.0X 4)~ 550.0-------

500.0 4500.0 400.0 0

200 400 600 800 1000 1200 Time (sec)

Figure C-I5 Hot Assembly Steam Temperatures in Break to TXX-06 125 Page 85 of 216 CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break 4.0 3.5 01 S3.0

~2.5 U

6.

1.0 0.5 0.-

0 200 400 600 800 1000 1200 Time (sec)

Figure C-16 Hot Assembly Heat Transfer Coefficients in Break

Attachment I to TXX-06 125 Page 86 of 216 CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break 0.00 E -0.05

-0.1

'U

.~-0.10 0

C.

S0.1 0

-0.25 0

200 400 600 800 1000 Time (sec)

Figure C-17 Condensation Rate in Cold Leg Discharge in Break 1200

Attachment I to TXX-06125 Page 87 of 216 CPSES-1 SBLOCA D76 RSG Analysis 5-Inch Break 1.0-0.8-_

0.7

>%' 0.6-0Y 0.5-0.4 0

200 400 600 800 1000 1200 Time (sec)

Figure C-lB8 Break Quality in Break to TXX-06 125 Page 88 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 2500.0

-- P 174010000

  • P 570010000

'~2000.0 P 571010000-----

20~

P 572010000 U) uP 573010000 2 15 0 0.0 --

0

0) 10 00.0
0.

500.0 0.0 0

200 400 600 800 1000 1200 Time (sec)

Figure D-1 Primary and Secondary System Pressures - 4.222-in Break to TXX-06 125 Page 89 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 1.2

-.#-VOIDG 122010000 aVOIOG 117010000 VOIDG 112010000 1.0

~

1-U.U 0.86-0.0.

02 20

,0608010010 Time (sec)

Figure D-2 Hot Assembly Region Void Fractions - 4.222-in Break to TXX-06 125 Page 90 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 1.2 1.0 0.8 0

VU.

0.6 0.2 0.0 0

200 400 600 800 1000 Time (sec) 1200 Figure D-3 Central Core Region Void Fractions - 4.222-in Break C-3(p to TXX-06 125 Page 91 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 1.2 1.0 0.8 0

I-U.0.6 0.4 0.2 0.0 0

200 400 600 800 1000 Time (sec)

Figure D-4 Average Core Region Void Fractions - 4.222-in Break 1200 C,57 to TXX-06 125 Page 92 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 1.2 1.0 02 0.8 0 0.6 0M 0.4 0.2 0.0 0

200 400 600 800 1000 Time (sec) 1200 Figure D-5 Upper Plenum Liquid Fraction - 4.222-in Break C3010

Attachment I to TXX-06 125 Page 93 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 14.0 12.0 10.0 V

0 8.0 6.0 4.0 2.0 0.0 0

200 400 600 800 1000 Time (sec) 1200 Figure D-6 Hot Assembly Collapsed Water Level - 4.222-in Break to TXX-06 125 Page 94 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 1600.0 1400.0

'-1200.0 CL 1000.0 600.0 400.0 0

200 400 600 800 1000 1200 Time (sec)

Figure D-7 Hot Assembly Clad Temperatures - 4.222-in Break to TXX-06 125 Page 95 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 1.2 1.0

.2 0.8 0 0.6 CI, 0.

o 0.4-

-j 0.2

-.VOIDG 460030000 aVOIDG 461030000 VOIDG 462030000 x VOIDG 463030000 I

I

ý(

x u.u I ___________________________

I

~

itm 0

200 400 600 Time (sec) 800 1000 1200 Figure D-8 Loop Seal Void Fractions - 4.222-in Break to TXX-06 125 Page 96 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 350.0 300.0 250.0 E0 S200.0 0

M 150.0 0

  • j100.0 E

-.- MFLOWJ 735000000 UMFLOWJ 736000000 737000000-SMFLOWJ 737000000 14

-Q 40 0R0 o

50.0

-50.0 00 Time (sec)

Figure D-9 Accumulator Mass Flow Rates - 4.222-in Break cq-I

Attachment I to TXX-06 125 Page 97 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 2500.0 2000.0 E 1500.0-

.0 0

S1000.0-_______

500.0 0.01 0

200 400 600 800 1000 1200 Time (sec)

Figure D-10 Break Flow Rate - 4.222-in Break to TXX-06125 Page 98 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break E

0 LLJ 0Iý-

120.0 100.0 80.0 60.0 40.0 20.0 0.0 0

200 400 600 800 1000 Time (sec)

Figure D-11 Total Pumped ECCS Flow Rate - 4.222-in Break 1200

Attachment I to TXX-06 125 Page 99 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 1800-

-60PCT Node (10.125ft 10NoRupture Predic'tedf 1400-U-

0 Lm1200-+/-_

0)

E S1000 600.1 400-0 200 400 600 800 1000 1200 Time (sec)

Figure D-12 TOODEE2 Clad Temperature - 4.222-in Break

Attachment I to TXX-06125 Page 100 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 14.0 12.0 10.0 8.0 6.0 C,

0, UJ 4.0 2.0 0.0 0

200 400 600 800 1000 Time (sec) 1200 Figure D-13 Core Mixture Level - 4.222-in Break

Attachment I to TXX-06 125 Page 10 1 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 30.0 25.0

>20.0 M

4) 15.

0.

=15.0 0

0 5.0 0.0 0

200 400 600 800 1000 Time (sec) 1200 Figure D-14 Downcomer Liquid Level - 4.222-in Break

Attachment I to TXX-06 125 Page 102 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break U.

0 E

E 1200.0 1100.0 1000.0 900.0 800.0 700.0 600.0 500.0 400.0 0

200 400 600 800 1000 Time (sec)

Figure D-15 Hot Assembly Steam Temperatures - 4.222-in Break 1200

Attachment I to TXX-06 125 Page 103 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 4.0 3.5 U-0, S3.0

~2.5 o 2.0 1.5 10) 0.5 0.0 0

200 400 600 800 1000 Time (sec) 1200 Figure D-16 Hot Assembly Heat Transfer Coefficients - 4.222-in Break C~{3

Attachment I to TXX-06 125 Page 104 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 0.00

' -0.05 E

.0.1

--0.10 u-0.15

~i-0.20 0

S-0.30 C

o -0.35 U

-0.40 0

200 400 600 800 1000 Time (sec)

Figure D-1 7 Condensation Rate in Cold Leg Discharge - 4.222-in Break 1200 r-LLF~

Attachment I to TXX-06 125 Page 105 of 216 CPSES-1 SBLOCA D76 RSG Analysis 4.222-Inch Break 1.0 0.97

>% 0.6 Cy 0.5 1_

J9 CO 0.4-T 0.3

_ 1 0.2

_1 0.1 0.0 0

200 400 600 800 1000 1200 Time (sec)

Figure D-1 8 Break Quality - 4.222-in Break to TXX-06 125 Page 106 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 2500.0 P 174010000 aP 570010000

~200.0

-P 571010000 0.P 572010000 mP 573010000 2~1500.0 a~50.0 0

200 400 600 800 1000 1200 1400 Time (sec)

Figure E-1 Primary and Secondary System Pressures - 3.763-in Break to TXX-06 125 Page 107 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 1.2 1.0 0.8 MU.

0.6 0.2 0.0 0

200 400 600 800 1000 1200 Time (sec)

Figure E-2 Hot Assembly Region Void Fractions - 3.763-in Break 1400 to TXX-06 125 Page 108 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 1.2

-.VOIDG 140010000

  • VOIDG 135010000 VOIDG 130010000 1.0

~

0.8 0

U.

0.

0.0-_

0 200 400 600 800 1000 1200 1400 Time (sec)

Figure E-3 Central Core Region Void Fractions - 3.763-in Break to TXX-06 125 Page 109 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 1.2 1.0 0.8 0

0.4 0.2 0.0 0

200 400 600 800 1000 1200 Time (sec)

Figure E-4 Average Core Region Void Fractions - 3.763-in Break 1400 to TXX-06 125 Page 110 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 1.0

--VOIDF 166010000 uVOIDF 173010000

.2 0.8 1--

LL 0.2 0A.0 0

20 400600800 0001200140 Time (sec)

Figure E-5 Upper Plenum Liquid Fraction - 3.763-in Break to TXX-06125 Page I111 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 0.

0.

14.0 12.0 10.0 8.0 6.0 4.0 4

4

.1 2.0 0.0 0

200 400 600 800 1000 1200 1400 Time (sec)

Figure E-6 Hot Assembly Collapsed Water Level - 3.763-in Break to TXX-06 125 Page 112 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break

-.HTTEMP 129101108

  • HTTEMP 129101208 1400.0 ----

HTTEMP 129101308 HTTEMP 129101408 4)4

'-12000.0 1.16 1000.0 x

0) 20 40_6080_00_1010 Time (sec)

Figure E-7 Hot Assembly Clad Temperatures - 3.763-in Break to TXX-06 125 Page 113 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 1.2 1.0

.2 0.8 U.

0 0.6 0

o 0.4

-j 0.2 0.0 0

200 400 600 800 1000 1200 Time (sec) 1400 Figure E-8 Loop Seal Void Fractions - 3.763-in Break

Attachment I to TXX-06 125 Page 114 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 160.0-140.0

-- MFLOWJ 735000000 uMFLOWJ 736000000 1 2 0.0 --

MFLOWJ 737000000 E

~MFLOWJ 738000000-S 1 0 0.0 0

80.0 0

2 0.0 0.0 0200 400 600 800 1 Ob 1200

-20.0 Time (sec)

Figure E-9 Accumulator Mass Flow Rates - 3.763-in Break

Attachment I to TXX-06 125 Page 115 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break E

.0

.Id 1800.0 1600.0 1400.0 1200.0 1000.0 800.0 600.0 400.0 200.0 0.0 0

200 400 600 800 1000 1200 Time (sec)

Figure E-10 Break Flow Rate - 3.763-in Break 1400 to TXX-06 125 Page 116 of 216 E

.0 0

U-W, 100.0 90.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break I

_=_

_o_

0 200 400 600 800 1000 1200 1400 Time (sec)

Figure E-11 Total Pumped ECCS Flow Rate - 3.763-in Break to TXX-06 125 Page 117 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 1600--_

1400 PCT Node (10. 125 ft)

No Rupture Predicted iz.

0..

1200._

E1000 1

60-80 0 -1_

0 200 400 600 800 1000 1200 1400 Time (sec)

Figure E-12 TOODEE2 Clad Temperature - 3.763-in Break to TXX-06 125 Page 118 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 14.0 12.0 10.0

-J 0

U-8.0 6.0 4.0 2.0 0.0 0

200 400 600 800 1000 1200 Time (sec) 1400 Figure E-1 3 Core Mixture Level - 3.763-in Break

Attachment I to TXX-06 125 Page 119 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 30.0-25.0-

>20.0

-j

= 15.0 0

E 5l.0 1

0.0 0

200 400 600 800 1000 1200 1400 Time (sec)

Figure E-14 Downcomer Liquid Level - 3.763-in Break to TXX-06125 Page 120 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 1200.0 1100.0 TEMPG 122010000 TEMPG 123010000 TEMPG 124010000 1000.0 TEM PG 125010000 S900.0 C.

E 800.0-_-

700.0 0

200 400 600 800 1000 1200 1400 Time (sec)

Figure E-1 5 Hot Assembly Steam Temperatures - 3.763-in Break to TXX-06125 Page 121 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 4.0 3.5 0,

S3.0

'wC2.5 o2.0 C.2 I-02.

CD10 0.5 0.10

--HTHTC 1291011

  • HTHTC 1291012 HTHTC 1291013 xHTHTC 1291014 A

x U

)

a S

a x

I 0

200 400 600 800 1000 1200 Time (sec)

Figure E-16 Hot Assembly Heat Transfer Coefficients - 3.763-in Break 1400 C9+

to TXX-06 125 Page 122 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 0.00 p

pi S -0.05 El.

~ 0.10

_j-0.15

-~

0_

6 VAPGEN 490010000 wa VAPGEN 491010000 r

-0.2 0

-~-

0 VAPGEN 492010000 o

x VAPGEN 493010000 0

-0.30 0

200 400 600 800 1000 1200 1400 Time (sec)

Figure E-17 Condensation Rate in Cold Leg Discharge - 3.763-in Break

Attachment I to TXX-06 125 Page 123 of 216 CPSES-1 SBLOCA D76 RSG Analysis 3.763-Inch Break 1.0 --

0.9 0.8-_

0.7 0.6-_

CY 0.5___

M 0.4-_

0.3-_

0.2______

0.1 1

______I______

0.02040 02040 600 800 1000 1200 1400 Time (sec)

Figure E-1 8 Break Quality - 3.763-in Break

Attachment I to TXX-06 125 Page 124 of 216 CPSES-1 SBLOCA D76 RSG Analysis 1.5-Inch Break - Severed ECCS Injection Line 2500.0 P.

174010000 uP 570010000

~ 2000.0 571010000 CLP52000

0.

xP 572010000 S 1500.0 a.

0, CL so:.:0 5

100 100 20 0

0 00 10 00 2500 3000 3500 4000 4500 5000 Time (sec)

Figure F-I Primary and Secondary System Pressures - 1.5-in Break (Severed ECCS Line)

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