ML20126C031

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Submits Daily Highlight.Licensee Completed Analysis Predicting That Steam Generator Tube Thermally Induced Tensile Loads Tend to Be Smaller than Previous Analysis Indicated.Supporting Documentation Encl
ML20126C031
Person / Time
Site: Three Mile Island Constellation icon.png
Issue date: 07/27/1983
From: Van Vliet J
Office of Nuclear Reactor Regulation
To: Carter J, Harold Denton, Eisenhut D
NRC
Shared Package
ML20126B295 List: ... further results
References
FOIA-84-897 NUDOCS 8506140287
Download: ML20126C031 (22)


Text

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UNITED STATES _g

                ! ') 3 c.f 'g                                  NUCLEAR REGULATORY COMMISSION WASH WGTON,0. C. 20555 p*                  ..7 of                                         July 27,1983                                   '
                 \; +.' .3..
                     ~ Docket No.' 50-289 MEMORANDUM FOR:            H. Denton                      T.' Speis J. Carter                      R. Vollmer            E. Case D.~    Eisenhut                R. Mattson            S. Varga R. Purple                      H, Thompson           D. Vessallo T havak'                     ' J. Sniezek            R. Clark G. Lainas                            i T. Iplolito           D. Crutchfield F. Miraglia.

C. Heltemes

                            .THRU:                      John F. Stolz, Chief, Operating Reactors Branch #4,                       ,
            ~

Division of Licensing , p~ ROM: James Van Vliet, Project Manager . - Operating Reactors Branch #4,' Division of Licensing

SUBJECT:

                 ' DAILY HIGMLIGHT TMI-l Steam Generator Repair Program                                     ;

GPU Nuclear has' recently completed an analysis predict'ing that steam generator tube thermally induced tensile loads ~ tend to be smaller than previous analyses have indicated. In addition, GPU Nuclear has also observed a loss of initial . tensile prestress in a few hundred tubes during the course of the? kinetic expansion in adjacent tubes as a . result of separation in the defective area of these tubes within the upper part of the tubesheet. These tubes were subsequently kine.tically sealed to the tubesheet below the defective area to restore tube integrity. , GPU Nuclear is evaluating the effects of reduced tube tension and~ loss of prestress on through-wall crack-leakage inonitoring sensitivity. GPU

   .                         Nuclear presently expects to submit its evaluation and findings the
                            ~ week of August 8,1983. This new infomation will need to be l                             evaluated as part of the staff's Safety Evaluation and will likely
                            ' delay its issuance by about three weeks.

N ames Van Vliet Project Manager Operating Reactors Branch #4, DL I .cc:

JStol z. -

t JVan Vliet

OR8#4 File -
                                                                   .f8506140287 B50125 1

l l PDR FOIA DETJENB4-B97 PDR . s .

, 4 ' ' '. - - SAPC # 152 Inter-Office Memorandum t-Data August 3, 1983F Subject Iechnical Review of Calc. 1101X-5450-014 duc ear To N. G. Trikouros, Location Manager - Safety Analysis & Plant Control A technical review has been performed on the subject calculation. The { governing equations are given in the calculatLon and also in a prior calculation 11011-5450-010. The equations were digitally simulated using CSMP ) and are given in data sets N1564.ADV4. DATA and N1564.ADV. DATA. J A review of the equations and assumptions given in the suoject calculation indleates that they are reasonable. The prior calculation,1101X-5450-010, has already been reviewed (see Ref 1). Following are pertinent comments-for the two computer programs. A. N1564.ADV4.DAIA

1. A review of this program Lndicates that the equations are coded as written in the calculations, except as noted in A.4 below. A random check was made on the value of constants, and none were found incorrect.
2. The MACR 0 HEM is essentially developed from the prLor calculation.
3. This program uses a fixed time step. Io check if this time step is sufficiently small, the reviewer halved the step size. Ihe resulting integrated mass flow rate through the AJV was within 1%

at the end of the run (10,000 sec); IAVG was within 3%; the reactor sfstem pressure was within 4%; and the pressures of the secondary side were within 13%.

4. The algorithm for controlling the ADV (page 7 of subject calculation) is, in practica, impractical since it maf occur too often for an operator to handle. Further, the code logic states the switching algorithm is not to be performed LE EAVE is greater.

than 5500F; this is not stated in the calculations. Changing the time step in A.3 above changed the switching times, and was the primarf cause for the different results. Nonetheless, the algorithm appears to be adequate for this study in determining the cooldown rate and integrated mass flow rate. A00o0648 1 Schuler, E. J., Letter to N.G.T.

Subject:

'OA of calcialartaa                 /[b

r. 2-r

8. N1564.ADV. DATA v
1. A review indicates that the equations are coded as written in the calculation. All constants were checked; small variances were found, and they were less than 45;
2. -The fLxed time step was replaced by a variable time step for a check.' A comparison of results indleate that they are almost LdentLcal.
                                  . fi C. FunctLo's   a and Subroutines Appended to Above Two Programs.

Both programs use 20iLIAAN functions and subroutlnes; these are appended to the mala program. Most of them are used to calculate

                       ' water and steam properties.

These functLons and subroutines have not been reviewed by the undersigned. E. J. Schuler, Engineer - SAPC EJS/ar-cc: f. G. S'oughton, r Director - Systems Engineering L. C. Pwu, Engineer - SAPC l

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 ,            A0v6.0ATA         CREATED FROM ADV2 4. DATA ON 6 3=83                                                                                   000 Ie im-WiiLED_.L             iv GGssss-n kais GF iv Fine ai iihe eius= swv F                                                                  v6v
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       "-; V5E MAC;G TG CALCULATE din 4MIC V4RIs5LE5                                                                                                  666j
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                             --          = vi s u m. i 4 - , = n- a s g                                                                                                                                                               veG6 ZAls I N TGRL-( ! X ,0X O T i l -~-                                                                                                        0000 ZA2s INTGRL(!X,0XDT2)                                                                                                                       0000 gPtr- jiiiGEL g iF,DPQii j                          -- -

0$ 0 0

       ,                    2P2s INTGRL(IP,OPDT2)

F TAVGs!NTOPL(!TAVG,DTDT) 0000 00001

        -~;EOCEUv               e E 41,i5Gi o i55, ac, 5G2=LIMi i i241,2X2,P C5i 0050:

IF(ZLt.GF.1.0) ZX1s1 0 00001 IF(ZPl.LT.15) ZPis)S. 00001

                           - tP tZr2.LE.O. D.OR.TX7.GE.1. )~ Calls F INISW"                                      -- -- - -                              -
                                                                                                                                                                  ---$O001 IFILSG2.GT.300.04.LSG2.LT. 05) CALL FINISH                                                                                                  00001 X1sZAl
       .. . - . .m 7 g7 .--. - -                                          --- .      .-  ... ...-- --

00001 y 91s7P1 P2s272 00001 00001 CAtL'T4ATr2Pt,TSSPt) -- - ---- -~ e Otttri CALL ~TSAT(ZP2,TSf5P2) TSGisTSG81 00001 00001

                          - TStt 2s Tt0-c                                                                                                                               U EI U U &

CALL TSAT(pRC9,TSS) ,

     ,                        MST=INTGRL(O.,WADV)                                                                                                                       00001
 -F.                                                                                                                           .

00001 sA0vswST!*wSTF- -

                                                                                                      - - ~              - - "        " --                - - - -

Otett ENQPWU NOS0di 00001' 00001 CALL ot eutt(2 0. r - - - 000er o:wp!rE(21,991 TINE.TAVA,PRCS,LSGL,LSG2,wST1,HST,pleP2 00001

                ' 99 FOWMa T (1 X ,10F61 11 i           TERMINAL 00001
                                                                                                                                                                   - Otetrr
             ' METHOD RECT TIMER FINTIMs10000,PROELal0, OEL Ts2. , OUT0FLs20                                                                                               00001'i Pp ! W T a vtt, '#CS , VPRT, PT , *T. C SG t , vs 71, ws T 2. M4 T                                                                      -

000010 DAGE xYpl0T

  • n00tt N 0 OUTpVT T!4E , P2(0,12001,91(0,12001 000010 o ourPUT TIME,wMp! 000010 0000 t
  • OUTPUT T!>E MST

[ OUTPUT TTME, ppt's 0000181 o-OU T Ptt? ? f rw Tk( 20 0'. , A&tti T e TCFTP00. ,6 00. ) e T SG2 ( 2 0 0. 6 0 0.1 00001t) o JUTPUT T I ME , TH t 2 0 0. 6 0 0. 3 . T c l (2 0 0. ,6 3 0.1. T SG I ( 20 0. ,6r.0.1 0000 to

           -o              OUTPUT TIME,                    vpW2                                                                                                        00001Qj o                                                                                                                                                       0000!p 00TPui T IME ,LSol ( 0,30 0 ) ,LSG2 ( 0,3001 QUTPUT TIMEewST1(0,200),wST2(0,200)                                                                                                          00001d ENU                                                                                                                                        00001@

S TOP- 00001Q C FUNCT!uN OF Hpl HF40 CURVE 0004 tQ FUNCTION sqMP(p) 00001@ O!MENst0N Pito),P*t6f 000010 000019 OATA p!/15. 615.,1015.,1515.,2015.,2415./ 000019 OATA-DM/69.7,63.5,55 6,51.3 41 9,33.1/ 000019 CALt TNTP(PT,PM,6.P.FP7 PUMeerp 0407t9 bETURN 000019 E40 - 000017 000&lQ C FUNCTION TO CALCULATE SUSC00 LED FLUID ENTHAL'PY 000017! FUNCTION HFLu(T,P) C=iL EidiwzPTtTG,nwi 000017l L we. n u. J

r FUNCTION-SPHT(T,P) . _ _ _ /[d h[khd 00001: CALL CSUS;F(TePeCP) 00001 SPHTcCD 00001

   !                          PETURN O lhh              00001' END                                                                                                                                 73 f 73,,                                      00001.

rguerteu veute!.3  ;;e93

       )                      OIMENSION S!(12),W!(12)                                                                                                                                                            00001 OATA SI/=10.e=8.,=4.e=2.so.e2.eA.e6.e8.e8.Ae8.Se10./                                                                                                                               00001
                .-            n*TA w!'????::1?'5;:1?^4;;1?t*:e!!*!;-1980;:***;:                                                                                                                                  ea9al C 663.e208.e88.,54.5e34.5/                                                                                                                                                              00001:

CALL INTP(SI,Wie12 SIG,w) 00001: Tis vas._ . . _ _ . _ . _ _ . . . _ -- 0eae! RETURN 00001 ENO 00001' Ca___.rgscyteu 'O C^LCUL ATE ViaOS Euvuitow egna3 FUNCTION MVAp(P) 000019 CALL TSAT(pet) 0000l* CALL EMTHAt(T,P.HV) " 00002 MVAPsHV  : 00002 RETURN 00002

           . .. ... . . Eso.

_ _ _ . . _ . _ _ . . _ - - . _ _ _ _ . _ __ . _ . _ aeea! C FUNCTION TO CALCUL ATE L IOulo ENTHALPY .000n2 FUNCTION HLIu(P) 00002 CALL.TSAT(9,T) . 04nuL CALL ENTMAF(T P ML) 00002 MLIQsHL 00002 _ . . . HE.T.I 19 " - .- - . _. .. _._- _ - . . 99^92 LNO 00002 C FUNCTION TO C4LCULafE SuuCuGLED SPECIFIC VOLUME 00002 FUNCTION VL(TeP) - __.44D02 CALL'SPVOLF(T,PeV1 00002 VLav 00002 RETURh_ . . . . __. - - - - . --. 900a2 ENO 00007 C FUNCTION TO CALCULATE LIQUIO 90ECIFIC VOLUME 00002 FUNCTION VFLU(P) . _ . 00002 CALL TSAT(P.7) 00002 CALL SPVOLF(TopeVF) *- 00002 V FLaaME - 00092 GETUR4 00002 E r10 00002 ( SUhR0UI!NE trit P (x!,Yl e !O A e f) __00002 OIMENSION A!(InieY!(IO) 00002 , Jul . 00002 l 1 n IF (1,GE.11 (J) ; A MO M ; L 7 ,.s.! t J + 1.3 1 GO.TO 5 . _ . nean2 ! IF(J.dQ.!O=t) Go TO 15 00002 ! JsJ+l 00002 l 60 Ta 10 - 40002 5 ysVI(J)+(Y!(J+1)=y!(J))/(x!(J+1)=XI(J)le(K-XI(J)) 00002

                          'HETURN                                                                                                                                                                                00002,
           .. 15. ..Y aY t (1014.( Y T.(In L= y I.(40=1 L L/ ( A.I.t tal =JLI.( ID. I 1 ) e ( x =x I.t iD L 1                                                                                          .         e0002 HETUWN                                                                                                                                                                               00002 END                                                                                                                                                                                 00002 FQNCTIUM VGA$(P)                                                                                                                                                             _       434Q2 CALL-TSAT(P,T)                                                                                                                                                                       00002 y                             CALL SPVOLV(TopeVG)                                                                                                                                                                  00002
               ...._ vaae=ue                 _ _ _ _

aaaq-PETURN 00002 tNO 00002 l REAl FUNC.T10N.M000Y(PStato_ - _ . - .__ ._ . _. . __--. 0unad 01 MENS!0N FLG(13).FGS(13), PRS (13) . 00002 0ATA PRS /100. 200.e400.e600.e800.e1000.e1200.e1400.e1600.e 00002 _ rin== _s... ssa. _s an 2 .nans

                         ',1 ; ; ; ' ;T ;'. '. ; ; ; ' ' ; ! ; * ~ ' ' ! ' . .-                    . ..         _. _             -.              -         -                              -
                                                                                                                                                                                                                  ~ ~ ~ ~ ';
                   "                                                                                                                                                                          vvv C3922.ecoJ5 ,o979.e5566./

m' IF(19KeEQ.2)GO TO 20 000(

                                                                                                                                                            / [Oh ~

J CALL INTP(PR$eFLQe13ePeYP1 000( M000Yav8 Q g h ttL 000G r RETURN I 000( 20 c0Lc 2araires.res. 3. M000VuY8

                                                                            ..:;                                                                   /<4 f W                                    000(

es.e b_ URN 000@ 6'WW 000g

           '                     FUNCTION DECAY (T)                                                                                                                                          UyWU OIMENSIGN Tr(28),0!(?8)                                                                                                                                     000@
                                 'ATA J                                                                                                                                                           000@

T-190TrtTv2. ,4. ,6. rd r,10. 2 0. 4 0. 6 0. ,0 0. ,10 0. . C200.e400.e600.e600.,1000.,2000.e4000.e6000.e8000.e10000.e 00 %

        '--                 C2.E4e6.E4 6.E4e8.E4,1.E5 2.E5/                                                                                                                                  0000l OATA                                                                                                                                                         0000' D I/. 0 0 75. . G o25. . G";9, . 0 "52, . 0 33 3. 0 512, . 0 5, C.045. 0396,.036,5. 0346,.0331. 0275. 0235. 0211,.0196. 0185s.0157. 0000{                                                                                        0000 C.0128,.Oll2,.0105,.00965,.00795,.00625,.00566,.00505.

C Att- I N T P-t T t e 0 f ,267 e f a tn t- - - - - - - - 0n475,,004/ 0000 DECAYnDY -- - -- - - -- -- 00 0 0 RETURN 0000j

         ..______.y__.                        . . _ _ . _ _   _.

_. .. 00004 SUadotiffNE uSaT (DEGFe PSIAI gg C 0000$ C- 0000J C C4tCuta TFS SATURA ttOM- PPESSt1Rt G-tVEN TEM 9tR*-tuRt"---- -- cr000s C (d DEGREES F IN RANGE 32 70 662 OEGREES. 00002 C-- 00002 C metrir ASME STEAat TKBI.TS~- F00*Tet EtTTT TON-- - - - --- C SECT. 5 (P. 17) 60004 00002

                            ~ R t41.*8 DE G ro T#EDUe ASIA FTHCPAe BET 8T ttRfAlt                                                               -- -

0000c C " -

                                                                                                                                                                                          '00002 C     CONVERT                                                                                                                                                               00002 e                 _.      TEMPERATURE TO REQUCEO TEMP 00005 THETA a TWEOU (OF.GF) gqqq C                                                                                                                                                                            00006
    C-                                                                                                                                                                                   00002 C    GET REDUCEO SATURATION PRESS- (4E T A (M t = Tr.E n FUNc t!OM                                                                                                 - - -- - 000tr2 WETA = RErak (THETal                                                                                                                                        00002 C                    --
                                                                                                 -                                                                                         00002 C CONVEpi TO A850LUTF PRESSURE.
                                                                                                                                                                                         .yg C                                                                                                                                                                            00002 SSta =                                                                                                                                                     00002<

C (HE T A

  • 2. 2120
  • 7*0 025 =0
  • o * *21/ ( 9. ts ue650 + 0
  • 0. 45 35923 0000@

C 809NORY CHECKS 00002c C- - 00002c CAL.L HOUN05 ('D9AT *30EGF,ASI&,11 -- Oc0172t C 00002G RtTUDN 00002c END ~ _. . . gg gg p C 00002G _. g.. - 00002G SUBHouTINE rsaT ;pi4 OEGF)

                                                                                                                                                                                      - 0000M C                                                                                                                                                                               00003t.

C- '- 00003c C HtETUstMS SA TURA T 10N TEMP (RATUNE OtVEN A PRESSURE ftfttre30 C IN PSIA IN THE dANGE O TO 2?98 22. 000030 C- 000030 C USES--A STMPtE Mf SECitett-METHOT 70- COMvE40t n00n30

C 04 ON TSAT RY CALLING HETA (K).

000030 p . C--- - - --- - --

                                                                                  - - - -                                                                                               000030 REALes         p!No OEGF, TA, 78 THIO                                                                                                    vvvv20 6                                                                              PRESS e' EPSLON, EMIN, AMAX,                                                      000030 9 ETA, 8ETAF. TRE00, PREOU a,icus,           ase,                                                                                                                                      000031

M 0/K - N @ 6/) TITLE CROGRAM TO C00LOOdN RATE BY USING ADV AT TMI ADV.04TA [. [2- 00000 00000

         >= 00af!"9^'!0" O' 'w? LOO" "00EL 20Y^ 0 59"                                                                                                                                                        ceaae o AT 10000 SEC TOTAL STEAM LOSS THROUGH TSV AND ADV IS 4.412E5 L9M                                                                                                                                00000 CONSTANT P0wtR = 2568., Vs 12000.,0ELAYs10000,HEFWs60                                                                                                                                            00000 8=!?^.6                                                                                                                                                                            aaaaa IPsP                      _

00000

       ,                      ! T = 150                                                                                                                                                                        000003 l                _. Maya 50 _ _ _ _ _ _ _ . .         . . .                  . _ _ _ _ _ _ _                  . .               . _ _ . . _ _ _ . _ _ _ _                          . . . . _ .          Sagac2 i                    CPal.25                                                                                                                                                                            000002 0

gyuaure 00000: aannac o bbbbbi HST = HVAP(P) 00000: 4ST. a QJ.* SORT (p/10501 00000: ym0ECAY(TIME +0ELay)*powEP*3.413E6/3600.-=STe(HST-HEFwl 00000c OTOT a 0/M/CP 00000c _ ._47 a. I4 T GD L t.3-2.+nT.n.T.3_ . . . . - - . . PDOCE00PE P e rsLIMt f (77) T ^^

                                                                                                                                                                                                               .)n 0 0 0 q 4 Pan
     !-                  CALL PSAT(ZP.ZT1                                                                                                                                                                      00000%

400005 IF(ZP.LT.20) CALL FINISH 00000f PsZP 00000G e-7 . _ _ - . . _ . . . . . . _ _ . . _ . . _ _. _. . . _ . . . _ . . . . . . . *a ENOD40 000000 MSTsINTOPL (4.4174E5,*ST ) 000000

      -a                                                                                                                                                  ---
                                                                                                                                                                                                           - 0400st NOS0df                                                                                                                                                                                            00000Q CALL DEduG(2ep.)                                                                                                                                                                                   000004l
         -fE4*!kAL -                 - -     - - - - --                                                                                             -
                                                                                                                                                                                                               ^^^^^'q METM00 NECT                                                                                                                                                                                       00000c f ir1ER FINTI9s10000n, PPOELs100., OELTalo, OUTOEls100.                                                                                                                                   00000t PPINT TIME,T, wST.Q,P,wST                                                                                                                                                      ---00000%

PAGE XYPLOT 00000c LAdEL TM! C00LOwoN USING ONE ADV 00000t o a u f n O T T i w E , 7-o

                                                                                                                                                                                                               ^^^^';  ,

OUTPUT TIME.D 0000lg o OUTPUT T!"F,a9T 00001( 0 OUTPui TIut. 4 000018 OUTPUT TIME,MST 00001G ENO 000010 Sion . . ._. _. a a, a a i; Co FUNerIno To CALCULATE VAP0R ENTHALPY 0000lG FUNCTION HvaP(D) 00001@ quALOG(P) '

                                                                                                                                                                                                         . . _ 4444kB IF(P.LE.450.0)GO TO 2                                                                                                                                                              000019 IF(P.LE.2190.)GO TO 3                                                                                                                                                              000018 e e 7.,q..                    .           ._ .._.

_ _ (p p g .1_} HVAPs((((f0.37170*l600 leu-0.9111dl26001)*U-0.24447810021*0 000011 C-0 2721717en02)*H-0.4420e9960921*U=0.663516=2002)*U 000011 C+0 1167608200& 0000kl PETURN 000011 2 HVAPat(((((-0 36740-04*U=0 58620-03)*U+0.435075980-02)*U 000011

              - - - C-4rl-44-394+00-41 I +4+4 r2+7-7'4140=W +4-                                                                                                - - - -             ---

4044-1 D C + 0. bis 5i191700 ) *u

  • n . I'* 22 R 3190 0 2 ) *U + 0.1105 96250 0 4 00001&

PETURN 00001& 3 Hv4 Pal .19251E3+6 416805E=a*P-9,9871952E-5*Pesa - - - - - - - - - esse-LS C **.5502391E-s*P**1-9.3721615E-12*Pe*4 000018 RETURN n00018 e c.mertna en e........, . .....- - -. -

m g y; pt pkosung I v N

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