ML20045H805

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Nonproprietary WCAP-13757, Wind Tunnel Phase 4A Test Plan, Investigation of High Reynolds Number Behavior of Westinghouse AP600 Sys
ML20045H805
Person / Time
Site: 05200003
Issue date: 07/15/1993
From:
WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To:
Shared Package
ML19303F731 List:
References
WCAP-13757, NUDOCS 9307210295
Download: ML20045H805 (8)
v • d • e


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7,;..- (. ~. Ilhb $p L' ~ j;}' r 3,qq hMW g. WESTINGiiOUSE CLASSL3 3M LWCAP '-:13757 - ' WESTINGHOUSE PROPRIETARY. CLASS 2 VERSION q 0 EXISTS AS WCAP-13756 y=. k ga 0 WIND -TUNNEL PHASE 4A TEST PLAN.-. INVESTIGATION OF THE HIGH REYN0LDS NUMBER BEHAVIOR OF THE-WESTINGHOUSE-AP600 SYSTEM 'I w - ~ _.

E)(C) WESTINGHOUSE ELECTRIC CORPORATION 19 93,

'A heense is reserved to the U.S. Govemment under contract DE4C03 90SF1 sees. r

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O WESTINGHOUSE PROPRIETARY CLASS 2<

i This document contame informaton propnetary to Tir?~ Elecine Cosporation; it is submmed in confidenas and a to be used solely for to ;. ' purpose for which it is fummhed and resumed upon requestc This document and such informamon is not to be repr'h trenommed, d=w r ; o - used olhonnes in whole or in part witout sumonzaton of 7._2J-m Electnc Corporeben. Energy Systeme Buemees Urut, subsect to tie legende 2 contained hotoof. 9 . GOVERNMENT LIMITED RIGHTS: t f (A) ; These data ese submitted wim limited nghts under Govemment Contract No. DE-AC03 90SF18496. Thoes dele may be sopoduced and used 7 ' - by the Govemment wlm tP. express hmitaten met toy wE ret, wemout witten pomessen of he Contractor, be used for pusposes of j. v - manufacturer ter dh6 ado me Govemment emospt that Die Govemment may deoloes times date outade me Govemment for Bio ' ~ foNowing purposes, if any, provided 9 tat the Govemment makes such h== oubsect to psehitneon egemet furmor use end desiosure i + (1) ' Thie 'propnetavy dete* may be W for evalueton purposee unster Die restnotone above... - (II). The 'propnetary dele

  • may be W to the Eleotnc Power Reesasoh inedtute (EPRI), eleotnc utility repsesentatives and their diect -;,

consuetente, exclueng emot commmoiel compemore, and to DOE Nanonal Labomeones unoer the prohibitone and rootnetons.above.' . -_. -- of tiese date,in whole or in part. h (B)' Thie notes sheH be marked on any. v1 3 WESTINGHOUSE CLASS 3 (NON PROPRIETARY) EPRI CONFIDENTIAL / OBLIGATION NOTICES: iOTICE:' -11 ?2 0 's O 4. O s: O. CATEGORY: AN B O Cf O -D O E1 DiF.4 O i 1 ~ M O DOE CONTRACT DELIVERABLES (DELNERED DATA): ^ . Subsect to M exceptone, deolosum of this data is re'etricted until September 30,1995 or Demon Cortlicebon under DOE contract DE AODS- ' 90SFt9496, whchever is later. y. Westinghouse; E'i ectric( Corporation t' " a 1 p4 Er.ergyESystems: Business l Unit.. V, m Nucl ear : And Advanced 1Technol ogy: Di vi sion -P.O.;Ror 355' H Pittsburgh, xmsylvania.15230 d a _ sq s

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m. 61993 Westinghouse: Electric (Corp'oratton:

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~ ( p 'WESTINGHOUSEICLASS 3-p WIND TUNNEL PHASE 4A TEST PLAN . INVESTIGATION OF THE RIGE REYNOLDS NUMBER BEHAVIOR OF THE WESTINGHOUSE AP600 SYSTEM ~ OBJECTIVES e The primary objectives of the test proposed to be carried out at.'the National. Research council of Canada's 30' x 30' wind tunnel are: 2 H 1) To confirm that the detailed Phase 2 results carried out at WO are - conservatively representative of those expected at full scale Reynolds f numbers; and 2) To obtain better estimates of baffle loads in the presence of a cooling. tower-(revised sketch attached), which represented a blockage in the WO wind tunnel that is normally unacceptable-(although it should'have introduced conservative errors). O Basic Approach: Due to the high costs of operating the 30x 30' wind tunnel, and in'the-interests of maintaining comparative data that are as well-matched as possible, it is proposed that the current 1:96.67 model'and the complete instrumentation system to be used in the 30'.x 30' tunnel-be pretested.in-the.- Wo simulation. More specifically, both scale models would be' instrumented-with circumferential rings of pressure taps at the following locations: 1) on the exterior at 2/3. et height. 2) on the exterior at the inlets. 3) just inside the inlet manifold. 4) on the exterior at 1/2 chimney height. 5) within the chimney. For the 1:96.67.model,- (1), (2), and.(4) correspond to new, instrumentation. '( 1) and (3) are particularly useful for'the overall comparison of.Reynolds Number effects.- The 1:25 model will not.have complete: internal passages; however, the chimney will be open insidelto its base, and it will have a.- simple inlet' manifold extending'just below the inlets themselves.. This will? be connected with an additional internal volume designed to compensate for the-. frequency response of the volume of the blocked passages in the 1396.67 model. For comparative purposes,- the 1:96.67 model will be equipped with'a'saaling. - plate at the interior base of.the chimney to prevent-flow through'the, interior.. . passages'when desired. The, presence of the blocked' containment:and shield - building annuli'are.not expected to materially' affect =the flow"in and'.out'ofL the.! inlets through the: intake-manifold and' secondary effects will be modelled-by,ithe' aforementioned. additional volumelin the 1:25 model; Thusi the 1:25: - model and the 1 96.67 sealed model.should be' aerodynamically;similar. . The tato - Pre-Test ' Programa The pretest ' program' at Wo with the updated 1:96.67! model 'is' then proposed to i be as'follows: 'C

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m _, _7 [@ P WESTINGHOUSE: CLASS 3 3 Cf '] 3 B l 4 b p -All tests'would use the pressure scanning system,-cables, and data acquisition. system in identical form to that intended to be used in the 30'-x 30' tests. Software would be developed to provide immediate displays of mean'and peak-7 pressure coefficient distributions for the five rings mentioned above and.for-the instantaneous inlet-chimney pressure difference. k The results of the UWO tests would. provide: U 4 a) True instantaneous baffle loads for the prime case (4 above with passages b open). These were not previously measured. t b) True instantaneous baffle loads for the tornado case (5 above). r c) A definitive comparison of the inlet-chimney pressure differences for-the. matched cases where the only difference is:that-there-is flow'through thef building. Agreement between these results, or the degree of disagreement is important in assessing the 1:25 model's result lwhich will.not have internal flows..If a.significant difference is observed.(although it"is not expected) correction factors can be developed. d) Pressure distributions measured away from the' inlets and chimney' outlets-(i.e. at the rings (1) and'(4) above)-which can provide ~ confirming. Reynolds number comparisons, in the case that flow through the model has a significant effect or the prime (inlet-chimney) pressure difference-cc.mparisons. On the basis of the Phase 1 and.2 results,.this is'not expected,.but these alternative exterior pressure distributions will-provide a useful. backup. e) Verification.that the' instrumentation and modeli system ~is all working: c with the long cables requited by the 30'.x 30':testsi and that the. + software toirapidly compare results is also completely debugged. The 30' x-30' Test Program The>30' x 30' Test Program is. detailed::in the. attached: table. As soon ast results are available' for ' the - 1 25 ' shield 1 building. models with 'no surroundings, - comparisons would be made with the UWO-data, and a " DECISION

  • would be nade as' to whether to continue with theLthree wind angle. tests including thet surroundings. lDuring the decision process, itfis;likelylthat the first; wind /

~ angle 1would-be set up and tested'anyways-however, the' final'two at least:might; be avoided. If the initial comparison with.no surroundings showsfsignificant:- differencesi:then the comparisons:would continue:through-the cases /with:the; surrounding buildings,;since these are likely.toLreduce Reynolds number.. sensitivity. Pressure measurements around the'throatiof:the-cooling tower have beenia'dded; i to assist' smaller scale,modelling1for the later: topography: tests,(phase :4B)- o ?TheseLdata will allow the'determinationlofsthe' appropriate drag to use. =n sUnasARY'OF: PROPOSED-TESTS.(not:necessarily performsd'inilisted order) We: deal'withl permutations:of'the following possibilities:

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WESTINGHOUSE CLASS 3 . 3, C.W : h. ~ L UWO Tests (A11'1:96.67 scale) .i g .) 1 [- k. .j I: I l- .j .i ') .j ~ (see attached detailed test scope) L! 30' x 30' Tests . 3 G. 1 3

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~-- WESTINGHOUSE-CLASS 3. 30' x 30' Test Scope Mind Tunnel Occupancy Cost 9 $2100 Cdn hr 17 hrs dayJe Personnel C.T cost = $75;hr HT hre

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_m- ~ } E WESTINGHOUSE CLASS 3 y tbtes: 1:100 model refers to existing li96.47 model alreadi in' existence, it will be updated at W3 to include: - at exterior taps immediately adjacent to the inlets. _b> a circumferential ring of exterior taps at roughly 2c3 of the height of the inlets. 'c) a circumferential ring of exterior-taps at roughly 1. 2 of t he chimney height. -. d i - a eaaling plate that;can be added.at the bottom of the chimne; well. ^21 1 100 cooling tower model'is to be rebuilt tr/ LMO. and will include throat pressure inst rumentation. 4' The nominally 1:25 model will be bui!! at tMO with the final scale based on initial pilot tunnel test results. ' instrumentation'would a'llow simultaneous pressure time histories to be captured in each caser the number of taps is still to be decided. 4} 14st %e new 1:25 model would ha*re top rings corresponditsg to ta), (bb and ic) above. It would have a chimne; hollowed out, corresponding to the sealed geometry of (d) ateve. The inlets would anclude the representation of the immediate inlet manifold to a depth suf ficient to reasonably represent the inlet manifold of the 1:100 model, and would be fitted with sim!!ar internal pressure tape. 41 ne sealed 1:100 model would still have passages open frce the inlet to the sealing plate of Sidis howerrer, the internal passages wousJ not be expected to significantly contribute to the inlet-driven internal manifold flows, so that the 1:25 simp 11.'ied internal geometry would be expected to be representative of the'16100 sealed case.

  • DECIS10tI* -. based on cceparisons between pre-measured LHO circumferential pressure distributions and the 1:25 results of (4), a d= cision will be made to abort or continue with the remaining 1sM tests.

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