ML20211B949

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Summary of 870205 Meeting W/Util in Bethesda,Md Re RELAP5YA Computer Code & Use in Small Break LOCA Analysis Pertmi Action Plan Item II.K.3.30.List of Attendees & Presentation Matl Used by Util Encl
ML20211B949
Person / Time
Site: Yankee Rowe, Maine Yankee, 05000000
Issue date: 02/09/1987
From: Mckenna E
Office of Nuclear Reactor Regulation
To:
Office of Nuclear Reactor Regulation
References
TASK-2.K.3.30, TASK-TM NUDOCS 8702190630
Download: ML20211B949 (104)
v • d • e


Text

February 9,1987 Docket Nos.50-029 '

and 50-309 FACILITY: Yankee Nuclear Power Station and Maine Yankee Atomic Power Station LICENSEE: Yankee Atomic Electric Company

SUBJECT:

SUMMARY

OF MEETING ON FEBRUARY 5, 1987 On February 5, 1987, members of the NRC staff met with representatives of Yankee Atomic Electric Company (YAEC) in Bethesda, Maryland. A list of attendees is provided in Enclosure 1. Presentation material used by YAEC at the meeting is included in Enclosure 2. The purpose of the meeting was to discuss the RELAP5YA computer code and its use in small break loss-of-coolant accident (LOCA) analysis in accordance with TMI Action Plan item II.K.3.30.

The meeting was requested by YAEC to discuss with the staff the efforts by YAEC to better model core liquid inventory behavior for small break LOCA applications.

As discussed in a letter dated December 5, 1986, YAEC was concerned that the computer representation of emergency core cooling bypass phenomena was overly conservative, based on comparisons to the semiscale S-LH-1 test. To investigate this problem, YAEC is performing additional assessments of RELAP5YA against the LOFT Test L5-1 and is looking at improvements to interphase drag models and downcomer region nodalization.

At the meeting, YAEC presented the results of their studies to date and discussed the additional analyses they plan to perform. By March 31, 1987, YAEC will submit their proposal for the final PWR Small Break LOCA analysis model. The results of the analyses using this model would then be submitted six months following staff approval of the model.

A few additional questions raised by the staff's review of the RELAP5YA code were also discussed. Those questions requiring a written response will be issued to YAEC in the near future and responses will also be provided by March 31, 1987.

/s/

Eileen M. McKenna, Project Manager Project Directorate #1 Division of PWR Licensing-A

Enclosures:

As Stated cc's: See Next Page Office: PPPAdl$f PD/ PAD #1p Surname: EMcKenre a/tg Glear Date: 02/6/87 02/9 /87 G702190630 870209 PDR ADOCK 05000029 P ppg i

Tl 29 and 50-309.

NRC PDR i

Local PDR

' PAD #1 r/f PAD #1 s/f Glear EMcKenna

. OGC-Bethesda EJordan-BGrimes PSears ACRS (10)'

, NRC Participants-(cc: Licensee and Plant Service List)

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. . _ . _ _ _ . . . . . . , _ _ = , _ _ . _ , . _ _ . _ , . _ _ , , _ , , , __ - . _ . . _ . . . . -

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Mr. George Papanic, Jr.

Yankee Atomic Electric Company Yankee Nuclear Power Station cc:

Mr. James E. Tribble, President Yankee Atomic Electric Company .

1671 Worcester Road '

Framingham, Massachusetts 01701 i i

Thomas Dignan, Esquire j Ropes and Gray

.I 225 Franklin Street Boston, Massachusetts 02110 [

Mr. N. N. St. Laurent -

Plant Superintendent  ;

Yankee Atomic Electric Company .

Star Route Rowe, Massachusetts 01367 ,

Chairman Board of Selectmen Town of Rowe ,

Rowe, Massachusetts 01367 i t

Resident Inspector  !

Yankee Nuclear Power Station c/o U.S. NRC Post Office Box 28 Monroe Bridge, Massachusetts 01350 Regional Administrator, Region I U.S. Nuclear Regulatory Commission 631 Park Avenue

.. King of Prussia, Pennsylvania 19406 Robert M. Hallisey, Director i

Radiation Control Program Massachusetts Department of Public Health 150 Tremont Street, 7th Floor Boston, Massachusetts 02111 l ,

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Mr. J. 8. Randazza Maine Yankee Atomic Power Company Maine Yankee Atomic Power Station

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Charles E. Monty, President Mr. P. L. Anderson, Project Manager Maine Yankee Atomic Power Company Yankee Atomic Electric Company 83 Edison Drive 1571 Worchester Road Augusta, Maine 04336 Framingham, Massachusetts 07101 Mr. Charles 8. Brinkman Mr. G. D. Whittier Manager - Washington Nuclear Licensing Section Head Operations Maine Yankee Atomi.c Power Company Combustion Engineering Inc. 83 Edison Drive 7910 Woodsont Avenue Augusta, Maine 04336 Bethesda, Maryland 20814 John A. Ritsher, Esquire Mr. J. 8. Randazza Ropes & Gray Executive Vice President 225 Franklin Street Maine Yankee Atomic Power Company Boston, Massachusetts 02110 83 Edison Drive State Planning Officer

  • Executive Department -

189 State Street Augusta, Maine 04330 Mr. John H. Garrity, Plant Manager Maine Yankee Atomic Power Company (

P. O. Box 408 Wiscasset, Maine 04578 ,

Regional Administrator, Regign I '

U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, Pennsylvania 19406 First Selectman of Wiscasset Municipal Building U.S. Route 1

Wiscasset, Maine 04578 Mr. Cornelius F. Holden Resident Inspector c/o U.S. Nuclear Regulatory Commission P. O. Box E -

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ENCLOSURE I NRC/YAEC MEETING FEBRUARY 5, 1987 .

NAME AFFILIATION Eileen McKenna NRC George Papanic YAEC Summer B. Sun NRC/RSB Rene Audette NRC/RES Jim Watt NRC/RSB Cliff Fineman INEL Philip Wheatley INEL -

Tom Fernandez YAEC Stephen P. Schultz YAEC Liliane Schor YAEC Ramu Sundaraa YAEC Norm Lauben NRC/RSB 4 9 k

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9 RELAP5YA PWR SBLOCA PROGRAM CORE LIQUID INVENTORY .'

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PROGRESS MEETING INTRODUCTION /0VERVIEW S. P. SCHULTZ ,,'

LOFT LS-1 ASSESSMENT L. SCHOR

- DOWNCOMER MODELING L. SCHOR -

INVESTIGATION.

INTERPHASEDRA6fMODEL R. K. SUNDAR M CHANGES S-LH-1 ASSESSMENT R. K. SUNDARAM

SUMMARY

OF PROGRESS R. T. FERNANDEZ AND PROGRAM SCHEDULE S. P. SCHULTZ

! DISCUSSION OF ADDITIONAL ALL QUESTIONS

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OVERVIEW 0F ADDITIONAL YAEC PWR SBLOCA WORK ACCOMPLISHMENTS (1980-1986) -

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o SUBMITTED YAEC-1300P FOR REVIEW ON .

1/1'4/83 - -

o ANSWERED 197 NRC QUESTIONS BY 11/1/85 .-

o ANSWERED ADDITIONAL 25 NRC QUESTIONS BY 10/31/86 o PWR SBLOCA ASSESSMENT CASES INCLUDED LOFT TESTS L3-1, L3-6, L8-1, AND SEMISCALE TEST S-LH-1 -

PWR SBLOCA CONCERNS -

o RAISED BY PWR SBLUCA ASSESSMENT CASE ,

S-LH-1 WITH CORE UNC0VERY AND REC 0VERY o ECC BYPASS OVERESTIMATED o ACCUMULATOR INJECTION NOT SUSTAINED o DEEPER CORE UNC0VERY AND INSUFFICIENT REC 0VERY o CONG TERM CORE' COOLING NOT CALCULATED AS IN TEST ADDITIONAU PWR-SBLOCA WORK o MODELING SENSITIVITY STUDIES TO IMPROVE ECC BYPASS IALCULATIONS - -

o MODIFICATION OF RELAP5YA INTERPHASE DRAG MODELS TO ALLOW MORE REASONABLE l

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MEASURED CALCULATED EXPERIMENT LS-1 INITIATED 0.0 0.0

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PRESSURE REACHED 14.2 MPA 0.1710.01 ~0.02 (REACTOR SCRAM, FEEDWATER TRIP, STEAM VAUVE TRIP)

UPPER PLENUM SATURATED 0.210.1 i 0.4 HPSI INJECTION STARTS 2.9 2.4 PUMP TRIP 4.010.5 4.0 SUBC00 LED BREAK FLOW ENDED 10.510.5 15.0 PRESSURIZER INDICATED EMPTY 15.510.5 20.0

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PRIMARY PRESSURE BELOW 53.011.0 42.0 SECONDARY ACCUMULATOR TRIP 185.810.5 157.0 (168.0)

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i CONCLUSIONS WITH THE CHANGES IN CASE 2, RELAP5YA DID A GOOD JOB IN PREDICTING MANY OF THE IMPORTANT FEATURES OF LOFT TEST L5-1.

i l

HOWEVER, THESE ARE PRELIMINARY RESUUTS.

FURTHER WORK IS NEEDED o STEAM GENERATOR SECONDARY SIDE INVENTORY o ' RED 0 BASE CASE WITH CORRECTIONS o DECIDE ON A FINAL N0DALIZATION APPROACH FOR SBLOCA'S o RUN CASES WITH N0DIFIED INTERPHASE DRAG.

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-100.0 0.0 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 900.0 1000.0 ,

. TIME RFTER BRERK (S) ,

1 .

i i  !

a  ;

1 SEMISCALE TEST S-LH-1 l

.; INPUT:RSIGS10,SE1,SE2,SE3 CODE:R5RG8H1  !

o ILPS LEVELS;UP(SOLID,00WN(DRSH)  :.

I I I I I I I I i

{

i M CNTRLVAR 000000010  ;

li d a-eCNTRLVAR 000000009 i! o-

) -

C l $ N A

\

i.

as

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f a' u, I ,

d "-

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j W

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4

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L o o a o o o o o m- _ ,

1 i I I i i i i i I Jl i

.i 0.0 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 900.0 1000.0  !,

I

!i.

TIME RFTER: BRERK (S)  ;

O-

+ - _.

l

\

SEMISCRLE TEST S-LH-1  :

INPUT:RSIGS10,SE1,SE2,SE3 CODE:R5AG8H1 O BLPS LEVELS;UP(SOLID),DOWN(DRSH) 4 i i i i i i o I i i n . (

-] nI i EN i ,*.

b kk f. CNTRLVAR 000000014 o i -- CNTRLVAR 000000013 (D o _ } l ,4 ,

,l

_J O W~ i

\ 1 o > t n, -\ '

o V9 iI

_J O j f- * \ -

t O \

! H _ - - [

^* ' N "%#'

Qo

5. j\,b' j

,}

a ~o. t

,5 iu , _

I

+

1 # '

w ,t,, J a-J o -

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j. Q3 @ - Afg f '

1 6 a s (mJ' '

Ol I I I l l l 1 1 I l 0.0 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 900.0 1000.0 l . TIME RFTER BRERK (S)

SEMISCALE TEST S-LH-1 -

INPUT:R5IGS10,SEl,SE2,SE3 CODE:R5AG8H1 o BL RCCUMULRTOR FLOW i i i 1 i i i i i i i i o

t U3 co NO ,

L cs o y .

O@

_) ._

lr .

Eo 1 RCFLBL

$ MPLOWJ 530010000 H+

[o g _

D I- . fO\

D - 't O

t.f\l \

Om -

r*aswi*%> .<:. . \

CO f "*^hkp.pM0, fi \ _

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\

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0 [. T" "\

.i!

1 o .

[

2

o  ! -
I I I I I I I I I l ll -100.0 0.0 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 900.0 1000.0  ;

TIME RPTER BRERK (S)  ;

!! 1

,l l

1

SEMISCALE TEST S-LH-1  !

INPUf:R5IGS10,SEl,SE2,SE3 CODE:R5BG8H1 i o IL RCCUMULRTOR FLOW L

! q i i i i i i i i i i

'l o t i

m I

i' in co i i' N 9_ .

CD o '

i 7 Y '

m O$ l '.

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ll, '

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TIME RFTER BRERK (S) l

4

)

! SEMISCALE TEST S-LH-1

.- INPUT:R5IGS10,SE1,SE2,SE3 CODE:R5BG8H1 ,

j 9 o l VESSEL LIQUID LEVEL l l l l l l l l [

l

\ 1 .  !

i i

-9 Eo

!.n

/ l 1 a o- .\

1 u

,i \

t l,r.f 1 \ .r ~".. _pg lE',.p *

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4

, ,n _

i _) nl [. ,,

e

,#'. mr j o i ~.' s

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DO \; %l O o 1 f t H o- -  ;

{ _] fI i a i l _1 4 --- L13578 c oCNTRLVAR '

4 L) I 000000001 I

CD 9 .

1 (D o i y o- - '

>T -

O l d o

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3 I I I l l  ! l l l 0.0 3

, 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 900.0 1000.0

, TIME RPTER'BRERK (S) l q

SEMISCALE TEST S-LH-1

  • INPUT:R5IGS10,SE1,SE2,SE3 CODE:R5RG8H1 i

, o I I[' DOWNCOMER LIQUID LEVEL I I I I I I

~j . I O ( g.sp.,,.,.  ;

/qrT-h g --

l i

f v , i

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9 \

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\

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[ l \, .-

ae i f f(),

V \ al.[if

.N d ' -

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>m8- \s Lul I

--3

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l Zo ,

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i OT O

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p.- ' I Z w

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c L29578 3CNTRLVAR 000000003

j i

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o

o .
in I I I I I I l l l I 1 0.0 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 900.0 1000.0 j
i TIME RPTER BRERK (S) u .

. 1

.I '

l ,

~

SEMISCALE TEST S-LH-1 INPUT:RSIGS10,SE1,SE2,SE3 CODE:R5RG8H1 ,

o CLAD TEMPERATURE EL 228 CM. l

!)

o 1 l l l I I I I ,

.' m

- i 6

o_

C y .

w ,/ .

/ TC3228 ya i c aHTTEMP 150000707 oc .

/

- / *-6HTTEMP 150000807 -

~3 HN 8- 1

/

[ '

O'

[.t_1

'l / /

O_ o y rs Et_1 o -

1 k

- 4 [ f

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i TIME RFTER BRERK (S) 1 a i ,

i

  • -*64eme e.,

)

~

!! SEMISCALE TEST S-LH-1  !

[l INPUT:R5IGS10,SE1,SE2,SE3 CODE:R5AG8H1 o CLRD TEMPERATURE EL 253 CM.

C3 I I I I 'l l l I I S

! i l' i

' O  !

o_

o M*

g 1:

y TB5253 m I ,i /. --'N c 3HTTEMP 150000807 1

3 g _. ,/ \ * -6HTfEMP 150000907 -

' H ts / l C '

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e / i a o_

n a q.. l, g e j

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TIME RPTER BRERK (S)

I 1

l

A/+/e 7 m

R6tAPsyA %d StrMscale 5'-LH-f

. A cm catuja/.,oy

. cata. Va I8-4

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SEMISCF1LE TEST S-LH-1

^

INPUT:RSIGS07,SB1,SB2 CODE: R5AG18G ,

-l tn UPPER PLENUM PRESSURE ,

y n n I n I \ n I n n  !

1 .

'I o -

i .

] '0-8 J

d-(;-

c PUP 13  !

a_

5_ l '- o oP -163010000 _

l;.

a -

o- I

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m J-w

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Q_ o . . . _

n-

. .._. a ,

o c; i I I i l l l l l I J

-100.0 0.0 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 900.0 1000.0 TIME RF'TER BRERK (S) r
e. .

1

O

- SEMISCALE TEST S-LH-1 .

INPUT:RSIGS07,SB1,SB2 CODE: RSAG18G '

m BREAK MRSS FLOW RATE j t

s -

i i i i i i i I l ,

1, l

1 i i

(n 8

-  ?

4 i

N~

CD -

l-M m <

,- m j ._ - ,

t Li_1 ~

l H i

L)  !

l. . . . , . - MFBRK L

- t c aMFLOWJ 375000000 r y cJ s

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1 Li_ " ._ -

.)

.I (D .L.. l (n .

l

E8 r .

' o s ,3 >

. .g . .

s! > pj. gl.

M +

fi l;;i.

dfW t < =-

1 ct -

?V^5$ ?' .: '5.T Y .,.., .. . . .g s..

.: . ._j . ,

g o -cr , , , , ,

^./

i i i i

-50.0 0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0 400.0 450.0 500.0

[ TIME RFTER BREAK (S) ,

1  !

. t

. j

q

.. e SEMISCALE TEST S-LH-1

) INPUT:RSIGS07,SB1,SB2 CODE: RSAG18G ,

BRERK UPSTREAM FLUID DENSITY ,

g i i i i i i i i i i l

0 .

i, 1 to o i 1, r o

.' x -

e8 -

RB79M t ,

ry I L2 .w..g ..,,. o o RHD 362010000  ;

m .i' .w*i 3 t

I

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>-4 o d f H

H o d_  !

f

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ij Z ,

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- n 1

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o '%44.p p:.,., *. . . _ , , ,

l i f - .~ ,

g . ;-M y., ,,... p..; g ? , _ . L Q f I I I I I I I I I I ,

1 -100.0 0.0 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 900.0 1000.0  :

] TIME RFTER BRERK (S)  :

1

!l i

I SEMISCALE TEST S-LH-1 CODE: asAcisc l m BYPRSS LIQUID FRACTION i i i i t

- i i i i i i i

~

l

^

z l i

i O

~ ^

i

'H om -

l C d-m 1 r

G- l -

l l} O w VOIDF 181010000 i' j ~g- -

VOIDF 181020000 O .

_J t j

v .-

(n g _

{ ";

cn

[ '

O_ -

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.I go q - -

.t ;

a ,

i

a l." I I l l

' l I I i l I

-100.0 0.0 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 90. 0 1000.0  ;.

TIME RFTER BRERK (S)

.i t _

t

! i !i ;  ; ! !!f }r' ill!  ! 4 $\ r,jfi! l '

0

_ - _ - ~

0 0

0 1

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./

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k.

0 0

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r, 8

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sI.!

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) I 0) .

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r. S H 0 .

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Sl GIDt 12 11 i 0K 00 . 0 6

R 8L 00 00 E T1 G O 00 R SAS5( 00 00 0 B ER Pl 00 i 0 T U 0R RR 5 AA E E:E; VV LL T

- LD S L RR TT 0 F AO E NN 0R CC Vl CC I 0 S E 4 E

L -

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M E 0 I E B 0 T S Ul i 0 T 3 G

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l' 0

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9 @o- o.ooO o 8W 9 oo* o . O~ o o.ooNI a QD o a 3 ~ )

^ IOm mJ_L>WJ c Dc~J_ dwDV

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t4'l ,

l  :.  ! l,

,,v,%u,.

, .i - - - _.,-=...-,%.,  %...1w-#,. , . . , , _ . . , , , , , , . . _ , , . , , _ . , _ ,

~

, . . ._ , .~ .a . . .

I C

I I O

I 1 I O O

D8 co O

CO O 00 oo a OO O co CO O

_ EE

_d O I JJ CO D

CE -

NN zz o ao O O

~ Z- o, Z

O ts (D I os -

3 .O

~ l (g-o_ _OM w- O[

W -] ~ U H "O e g (D < Cn O

. CO ym-H =a ct - O Og W y.. +

D w

g JO W g O L COM>-

C.J d[

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W CO 'H

. CD a- o-H m C.D W O

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O 4

I l l l 1 0'000I 0'008 0'009 0'00F 0*002 0*O O*002-(WD) Sl]A]l CIn0Il 38n1 SSlI

~.-=-~~-v-._ r . . _ _ .-. _ , . _ . _ _ . . , , . . . , _ _ . . _ , , _

j a

1 ..

'i' SEMI. SCALE TEST S-LH

ti CODE: RSAG18G 1 o 'ILPS LEVELS;UP(SOLID,00WN(DRSH) j o i i i i i i i i I  !

o  :.

J m  !

il 9

o .

j ll -

@lh -

j

rm . L*

, C3 r

"g .

h  !

00 o _ _

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[H Lt l ~ l ',

i > <

p

! W CNTRLVAR 000000010 j 39 - e oCNTRLVAR 000000009 - .

F,

.t

o

O I l  !!

] -

9 1 o9 o_ _

l O

!! to '

, O- o ,

l

!l __] -

1 O_ _l ti N I{ b  ;

l ci o

0 0 0 0 0 i.

l 0 4

!i M -

u I I I I I I I 1 I I  ;

0.0 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 900'.0 1000.0  ;-

TIME RFTER BRERK (SF  !

!)

., i c

'j i' l {

-- - _ au. 2_ - - . . , . _ _ _ _ r_. _.,_____,.n__..._,___.,,,__.__ , , , , _ ,

-e o.

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.... . . ...' ' O O

I I I I l 0 00E 0 002 0~001 00 0 001- 0~002-0*00E-(WOJ Sl3A31 OIn0Il Sdl8

1 SEMISCRLE TEST S-LH-1 '

INPUT:R5IGS07,SB1,SB2 CODE: RSAG18G i

] BL RCCUMULRTOR FLOW l j o j q i i i i i i i i i i l

n I

o i.

(D co o

x o -

g ,

g M o -

)

I

j. O@ 3

,, a ._

d Eo

- RCFLBL j.1 E MFLOWJ 530010000 [

O n<

Go -

,i g ._

D  ?. r.

E l11 b D '

l '.

]

i1 O

Om d

l iM4+;**w;;p". .

.s. i 1l

a. N \

l Qo _ j "hbhyy,_;gN* _

d /

CD i J

o i

! V /  !

.i

' O  !

o I- I I j ..

I I I I I I 1

'. -100.0 0.0 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 900.0 1000.0  !,

TIME RFTER BRERK (S) .

J SEMISCFILE TEST S-LH-l' '

INPUT:R5IGS07,SB.1,SB2 CODE: RSAG18G !

O IL RCCUMULRTOR FLOW -

s i I I .I n I s i I (;

a o e e

\

/

d. (n m / -

' ;i -

!! No k -

d CD cd - -

!J M -

r-

. ) [*. .E I h x [

o e W.s n-a l *- (%.

__} -

l 0 .' '?g, n.  :. -

[

ua '

a

.i s?

v .d.

  • ,. i

% - ACFLIL .i i:4:.r- .ly MFLOWJ 430010000 "Y'~% gjltlI O

n,  !

/ .

o,

[o . i  ;

_3 o.-  : _

11 a i i

! r l ,

ij o ,'

i O -

a; O ni il [O _ '

l -

a o  ;

_J .

O  ! ,-

.i o .

C ./. 'i l l l l l l l l l l

, -100.0 0.0 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 900.0 1000.0  ;

TIME FIFTER BREFlK (St l-b '

1 t

SEMISCALE TEST S-LM .

i.

INPUT:RSIGTIR CODE: RSAG18G O TEST IL ACCUMULRTOR MODEL }

[ t i I I I I I I I l

l O i

.i 3

(f) 00 f'

\ ._ l OO '

I Y

I s!  ! b['.,, i 1 a v, .

?'V .! 'n 'i:

r-) (o l

, M e:

V% .*

__ ] O.- ,

8

4. :q kO ll. -)%p' ll *j ,

-- RCFLIL  ! 5??%. .!d w,

MPLOWJ 430010000 i

/ E'%l.gg.j.jp!' -

, [O -

J -

D O l E  !

D - *

j. O r j O rN '

ll

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' I I I I I I I I I i

" -100.0 0.0 100.0 200.0 '300.0 400.0 500.0 600.0 700.0 800.0 900.0 1000.0  ;.

j TIME RFTER.BRERK (S)  !

?

, SEMISCALE TEST S-LH-1

!! TNPUT:9SIGS07,SBl SB2 CODE: RSAG18G >

l o VEcSEL LIQUID LEVEL CD I I I I I I I I I

. o I

r"

- o ./

E . f' . I

!1 OO(N

. r- '

fA I

r ,

y \ .~_ ,, .pf, ,.- lJ {

gO

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>  ![\,i- ,,,+-: '

+

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INPUT:RSIGS07,SB1,SB2 CODE: RSAG18G

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INPUT:RSIGSO',SD1,SD2 CDDE:RSRG18G  ;

9 .

CLRD TEMPERATURE, EL 115 CM. .;

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SEMISCALE TEST S-LH-1 .

TNPUT:RSIGSO9,SDI,SD2 CODE:RSRG18G -

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TIME AFTER BRERK (S)  !

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l-SEMISCRLE TEST S-LH-1 INPUT:R5IGSO9,SD1,S02 CODE:R5AG18G ~f O CLRD TEMPERATURE EL 228 CM. .; i O I I I I I l 'l 1 I i o .t

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SEMISCALE TEST S-LH-1 .l INPUT:RSIGS08,SR1,SR2 CODE:RSRG18G f a CLRD TEMPERATURE EL 228 CM.
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SEMISCRLE TEST S-LH-1 l-INPUT:R5IGSO9,SD1,SD2 CODE:R5RG18G

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9 INPUT: Ps5IGSO9,SDI SD2 CODE: RSRG18G 4

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! INPUT:R5IGS07,SB1,SB2 CODE:RSRGGNR i:

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INPUT:R5IGS07,SB1,SB2 CODE:R5RGGNR 9 BRERK UPSTREAM FLUID DENSIT1

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INPUT:RSIGS07,SBl,SB2. CODE: RSAGN4We44 i

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INPUT:R5IGS07.,SB1,SB2 CODE: RSAGSE GNA '  ;

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TIME AFTER BRERK (S)

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1 INPUT:RSIGS07,SB1,SB2 CODE:R5RGGNR ,

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INPUT:R5IGS07,SB1,SB2 CODE:R5RGGNR o DOWNCOMER LIQUID LEVEL

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INPUT:RSIGS07,SB1,SB2 CODE:R5AGGNR .

I o CLRD TEMPERRTURE EL 228 CM. ..

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Figure 3.1-1: REl.AP5YA Flow Regime Map for Vertical Flow (VRT) 4 A

l

.__._..-_._f.:____.. - _ . __.- - - - . . . . . ~ -- a

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