ML20085C449

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Containment Vessel Leakage Rate Determination by Absolute Method
ML20085C449
Person / Time
Site: Saxton File:GPU Nuclear icon.png
Issue date: 06/17/1971
From:
SAXTON NUCLEAR EXPERIMENTAL CORP.
To:
Shared Package
ML20083L048 List: ... further results
References
FOIA-91-17 NUDOCS 9110020031
Download: ML20085C449 (3)


Text

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A me 17,

, o 14XfM NUCf3ML EPY.XD0*TAL CultPORATLM i

Cemhaiammet Tamsel Iankaan lhtta Deterniantian

, tr the Aban1 mas Method e t

I. M me eyest at. tan 6est sa to estemane the Am6er=6ed lashnee ease at me

^8" vammel, innleding all of its peastse4&ame, of the Bauhan Remotar ie ases in uberty teenship, asumed county, remnarivenia, adjne it to the nweesh of sesnes.

II. I Elf X J Ilt0Jt!

The test equipment to be aplayed will be soumistent with the speettienticew set forth in referense (4) ww! includes the folharing apparstus

1. > 120 inch ====ter for nonouring the pressure dittermitisl between the containment veneel and the atmosphers, utilising Heriam No. 3 Fluid
(e.g. = 2 95); lenet diviaian, 0.5 un obtained tram the weetsncimuse Atmic Power epartment.

2 Cne standard precision mercury bammeterg least division, 0.1 rm obtained tna Tuneg Mmastata Jo&nt Hiah Deboel.

l 3. the Postmes Mity dataster (Devoel) for measuring the partial pressure of l water vapor la the ecs*=ia=d vessel n* m ; b . least count, 0.1'r dow-point temperature.

4. Fear platinum remastanes thaummes6ese 1eented thseashant the veneel obtained from the Geamm1 Nblio Utilities Corporation byeten laboratory.

l 5. he,Iann11er needsen for resistanse thaummaster measurmantes laset divisien, i

l

c. cool eens ehtaines tsun the )sestanshause Anande Fewer Depareness.
6. Gno gne fisumster far estarias a essere11ad leaks least divisian, 0.1 embas feet obtained fMun the General Mah11e Milities Carpention Systa laboratory.
  • As defined W refere.oo (4) para &rephe 71 and 7 7 mi referance (s), ,

Eeetian XVI,-paragraph 3.

9110020031 910424 PDR FOIA DEK?iK91-17 PDR

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25. EEEE81E the Genehg Veenal (CT) too pressurised to appenedmately 3 paia win al.

seppus som the a es,eeeeer et we samten seaan conse uas esauen et the 4

l'ennsylvmeda Beatria Oespesy and en inspeeden et all poetentiens sentacted to

immune tha6 se abdans lenknas une presenh. tensa tMa esadiusa use entisfied the pressere tes Amaressed to 5, 7, sad to pets and the penetrouses were inspeeted at ensk inerenes, tenen eendiuens heemme pensamsh3F stable aner reaching 30 pois the data to be obtained trem the test instrenestauan was taken every halt hour. (See Appendia mA" for data rwpaltenente and prossening).

i After sufficient r=1tahie data wau acasadated a controlled leak was established to show ttat, ttw =1=i1=tions wouhl alwar the etwMe in leakage rute.

17. M The results of the test are alunes in Fig.1. Tim actual leakage calculated i

la ah==an as a discontinusue line with the leakage limit of 0.129% indiosted ty a dashed line and the least equares tren. lankage of 0.107A alwun as a solid line

superispeeed on the data.

The Centatsmant Vessel wedahted average ahealute temperatung is shoum me atraled painte for referenee.

1

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1 I * ..

APPa o lt "A*

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Mh AEAI211B ane reeLegames et the tune bulhe leanted la the sentaisement veneel were read on

. the br6dgem, anet bulb was read la the teruned and severse direetten and the two rendi.

avenged to eliminate dLttereness in nine lead ressenenes, the resistanes ime then

eenrerted to a phouche&% naipasenmoe ida the enL%eauen er/rves eMaimed at the GPU systen labasatasy. The weighted averego of the tune temposebures were taken ny amitiptring eneh ty ate W" vessel vahmes fenetien med adding time p.----^ -M.

J This temposature was easprerted to desmee k.dtke for future use.

later dels was headled ter a ere oemsc,cos approach. It was ansted that the I

omlibration surves were stmight 22es rnwr the mnce of tanperatures enouur.tored in this test. An o;untion we.1 Greloped which resulted in the imnkine tempemture in one salem 1 ster operation.

Asadings wars taken of both lege of the manometer and of the temperature at *,he mamaneter lesattom. Simu?taneous readings were taken of the barcanetrie preneure and the associated begerature of the harteneter. The readint;s of the manameter were avermaed nsd eenverted teresemure using a t+ ture dependent density faster for Herian !Jo. 3 Fluid.

This sags preneure was then added to the atmospherie preneur, which was determined in the some mammer from the havenster daba te obtain an ahoolute pressure for later use.

Deweel readings were chained fees the reekstense inridges, were averaged la the name amener as the temposetape readings, and were souverted to partial water vapor pressume rin a calibation curve.

This data was then used to =1=tana the CY lankage rate fram the fossenlae 1-F 21T /

Pt ta, idnese Pg & % ave the istunt presense end temperature and P 3 4 T3are the poseeure and temposetime at any later time.

A inter empor earrection was detesuimed tWem Une equatical (Pyl Pyg T3/*f2 )/E shoes l

pv represente the vapor preneure. 'this ooevoetion was then subtreeted reus the dry air leakage rate.

Te obtain the best fit of the data it was subpoted to a Irast equares omlaulation.

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