Performance VerificPerformance VerificSafety Injection Tan

• Design Requirements

VAPER T t F ilit &• VAPER Test Facility &

• Test Conditions & Test

• Uncertainty Analysis

• Supplementary WorksSupplementary Works

NRC Staff

• Summary• Summary

cation of APR1400Non-Proprietary

cation of APR1400 nk -Fluidic Device

for Fluidic Device

Fl idi D iFluidic Device

t Results

s for the Issues Identified by thes for the Issues Identified by the

APR1400-F-A-EC-13011-NP

Design Requiremes g quFluidic Device K Fa

The following requiremenhypothetical LBLOCA ana

ti

TotalK F

assumptions:

tin

g

K Factor

Large FlowInjection 10 ~ 25

lica

tion

Mee

t Injection

Small FlowInjection 80 ~ 120

3rd

Pre

-ap

pl Injection

Reference area: APR1400 SI line p

3SIT-Fluidic Device

ents for s oactor

nts are drawn from alysis and conservative

PipingK F

Fluidic DeviceK FK Factor K Factor

6 ~ 10 4 ~ 15

6 ~ 10 74 ~ 110

pipe area

1/32 APR1400-F-A-EC-13011-NP

VAPER Test

• Full-Scale SIT & FD

VAPER Test

– I.D. : 2.74 m (8.0 ft)– Height : 11.9 m (39.0 ft)– Volume : 68.13 m3 (68.1

• Air Compressor

tin

g

– Max P: 5.0 MPa (725 psi)

• Final Goal

lica

tion

Mee

t

– Verification of the preloss coefficient (K-Fac

f l idi i h

3rd

Pre

-ap

pl

of Fluidic Device, whicused to evaluate SI wateinjection flow rate in safe3 injection flow rate in safeanalysis code

SIT-Fluidic Device

Facility (1/3)Facility (1/3)

)13 ft3) SIT

)Air

Compressor

essure ctor) h

QOV

p

ch is er ety

2/32 APR1400-F-A-EC-13011-NP

ety

VAPER TestVAPER Test ti

ng

lica

tion

Mee

t3r

d P

re-a

pp

l3

SIT-Fluidic Device

Facility (2/3)TS

Facility (2/3)

3/32 APR1400-F-A-EC-13011-NP

VAPER TestVAPER Test Geometrical differences b

APR1400 SIT FDAPR1400 SIT-FD

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

Facility (3/3)Facility (3/3)between VAPER SIT-FD and

TS

4/32 APR1400-F-A-EC-13011-NP

Dimensions of Fluid

Standard F

Dia. of Vortex Chamber

H. of Vortex Chamber

W. of Supply Nozzle

W f C t l N l

tin

g

W. of Control Nozzle

Angle btw. Nozzles

lica

tion

Mee

t

I.D. of Throat

Height of Stand Pipe

3rd

Pre

-ap

pl g p

I.D. of Stand Pipe

3

* FD-S : Fluidic Device for Sensitivity of H. o

SIT-Fluidic Device

dic Device

FD FD-S*TS

5/32 APR1400-F-A-EC-13011-NP

of Stand Pipe & Manufacturing Tolerances

Test Matrix & Condi

Test ID ObjectivesTest ID Objectives

Case-01Repeatability of

S d d D i FStandard Design F

Case-02Effect of Water

Inventory

tin

g

Case 02 Inventory (or Stand Pipe Heig

Case 03

lica

tion

Mee

t Case-03Effect of Manufactur

Tolerance

3rd

Pre

-ap

pl

(Expected Max. ValuCase-04

3SIT-Fluidic Device

itions (1/7)( )

RemarkRemark

FD4 Tests

(O L P T )FD (One Low Press. Test)

3 Testsht)

3 Tests

Height of Vortex Chamber

ring(3 Tests)

Height of Vortex Chamber &ues)

gWidth of Control Nozzle

(3 Tests)

6/32 APR1400-F-A-EC-13011-NP

Test Matrix & Condi

[V

Initial SIT gas pressure

O tlet e e

tin

g

Outlet pressure

lica

tion

Mee

t3r

d P

re-a

pp

l3

SIT-Fluidic Device

itions (2/7)( )

Reference APR1400 SITConditionVAPER Tests]

APR1400 SIT Condition

TS

7/32 APR1400-F-A-EC-13011-NP

Test Matrix & Condi

[V

SI water volumeSI water volumefor large flow

SI water volume

tin

g

for small flow

Initial SI water temperature

lica

tion

Mee

t temperature

3rd

Pre

-ap

pl

3SIT-Fluidic Device

itions (3/7)( )

Reference APR1400 SITConditionVAPER Tests]

APR1400 SIT Condition

TS

8/32 APR1400-F-A-EC-13011-NP

Test Matrix & Condi• Case-01 Tests

R f t t f t d– Reference test for standar

– Three tests to check the r

– One low pressure test to c

Initial SIT

tin

g

Test IDInitial SIT Pressure

[kPa(g), (psig)]

Case 01 01

lica

tion

Mee

t Case-01-01

Case-01-02

3rd

Pre

-ap

pl

Case-01-03

Case-01-04

3SIT-Fluidic Device

itions (4/7)( )

d Fl idi D ird Fluidic Device

repeatability

check its sensitivity

Initial SIT Initial SITInitial SIT Water Level

[m (ft)]

Initial SIT Temperature

[oC (oF)]TS

9/32 APR1400-F-A-EC-13011-NP

Test Matrix & Condi• Case-02 Tests

T h k th iti it f– To check the sensitivity of

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

l f l3 SI water volume for la

SIT-Fluidic Device

itions (5/7)( / )

f th t d i h i htf the stand pipe heightTS

fl d

10/32 APR1400-F-A-EC-13011-NP

arge flow was preserved.

Test Matrix & Condi• Case-03 Tests

T h k th iti it f– To check the sensitivity of

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

itions (6/7)( / )

f th t h b h i htf the vortex chamber heightTS

11/32 APR1400-F-A-EC-13011-NP

Test Matrix & Condi• Case-04 Tests

T h k th iti it f– To check the sensitivity of

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

itions (7/7)( )

f th t l l idthf the control nozzle widthTS

12/32 APR1400-F-A-EC-13011-NP

Test Results: SIT &T

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

& Stand Pipe Levels

PgHh airwSIT )(

)( ρρ Δ−−=

TS

gairw )( ρρ −

Case-01 Tests

TS

Case-01~04

13/32 APR1400-F-A-EC-13011-NP

Test Results: SI WateRateRate

tththAtW SITSIT

SITwSI ΔΔ+−= ()()( ρ

tΔ

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

Repeatability !!!

3SIT-Fluidic Device

er Injection Flow

tΔ ) sec2=Δt

TS

Reproducibility !!!

14/32 APR1400-F-A-EC-13011-NP

(Manufacturing Tolerance)

Test Results: Fluidicti

ng

lica

tion

Mee

t3r

d P

re-a

pp

l

Repeatability !!!

3SIT-Fluidic Device

c Device K Factor

TS

Reproducibility !!!(M f t i T l )

15/32 APR1400-F-A-EC-13011-NP

(Manufacturing Tolerance)

Effect of AiEffect of Aion FD K Fa

The discharge flow rate othe change rate of the tot

()()(ttmtmtW airair

air Δ+−=

tin

g

)()()( tVttmt

airairair ρ=

lica

tion

Mee

t3r

d P

re-a

pp

l3

SIT-Fluidic Device

r Discharger Discharge actor (1/3)

of the air can be evaluated from tal air mass.

)tΔ

16/32 APR1400-F-A-EC-13011-NP

Effect of AiEffect of Aion FD K Fa

The air discharge begun aand reached its maximum

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3

End

SIT-Fluidic Device

r Discharger Discharge actor (2/3)at about 100 sec for Case-01,

m at about 120 sec.TS

17/32 APR1400-F-A-EC-13011-NP of SI Water Injection

Effect of AiEffect of Aion FD K Fa

Fl idi D i K F t Fluidic Device K Factor wadischarge flow during 100

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

r Discharger Discharge actor (3/3)

t iti t th ias not sensitive to the air 0~120 sec period.

TSTS

18/32 APR1400-F-A-EC-13011-NP

Uncertainty Analysiy y Uncertainty of FD K Fa

95% confidence level95% confidence levelguidelines of ISO1) & ASM

Total uncertainty is the roysystematic and random u

[ ] ([ 22/122

tin

g

[ ] ([ 22/12295 tBPBU +=+=

lica

tion

Mee

t

1) G id h E i f U

3rd

Pre

-ap

pl 1) Guide to the Expression of Uncert

2) Test Uncertainty, ASME-PTC 19.1-

3SIT-Fluidic Device

is (1/5)( )actor was analyzed at a in accordance with thein accordance with the

ME 2)

oot sum square of the qncertainties

) ]2) ]295 XSt

i i M (1995)tainty in Measurement (1995)1998 (1998)

19/32 APR1400-F-A-EC-13011-NP

Uncertainty Analysiy y Systematic uncertainty

propagation of the elemepropagation of the eleme

22

+

∂+

∂±= ΔPK BKBKB ρ

22

+

∂

+

Δ∂

± Δ ww

PK

KK

BBP

B ρρ

tin

g

2

+

+

Δ±= Δ w

wP BKB

PK

ρρ

lica

tion

Mee

t

2

∂∂+

∂

∂±≈wSI A

SIT

SIT

w

SITW B

AWBWB ρρ

3rd

Pre

-ap

pl

2

+

±=

SITw ASITSIT BAWBW

ρρ3 SITw Aρ

SIT-Fluidic Device

is (2/5)( )y was evaluated by the ntal uncertainty sourcesntal uncertainty sources

2/122

∂+

∂+ WA BKBK

2/122

∂

+

∂

+SIPipe W

SIA

Pipe

KK

BW

BA

2/1

22

+

SIPipe W

SIA

PipeB

WKB

AK

2/122

Δ∂∂+

Δ SITSIT h

SITA B

hW

2/122

)()(

Δ+

+

Δ SIThSIT B

tththW

20/32 APR1400-F-A-EC-13011-NP

)()( Δ+− SITSIT tthth

Uncertainty Analysiy y Systematic Uncertainty

SI ate flo ate SI water flow rate

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

is (3/5)( / )

Fl idic De ice K Facto Fluidic Device K FactorTS

21/32 APR1400-F-A-EC-13011-NP

Uncertainty Analysi Random uncertainty of

evaluated by multiplying tevaluated by multiplying twith a coverage factor o Standard deviation was det

obtained for all tests

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

is (4/5)f Fluidic Device K Factor was the standard deviationthe standard deviationof the student t-distributionermined from the K Factors

TS

22/32 APR1400-F-A-EC-13011-NP

Uncertainty Analysiy y Total Uncertainty of Fluidi

[ ] ([ 922/122

95 tBPBU +=+=

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

is (5/5)( )c Device K Factor

) ]295 XS

TS

23/32 APR1400-F-A-EC-13011-NP

Summary of FluidiSummary of Fluidi

The measured Fluidic Dev The measured Fluidic Devdesign requirements for binjection periods.j p

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

ic Device K Factoric Device K Factor

vice K Factor meets thevice K Factor meets the both the large and small flow

TS

24/32 APR1400-F-A-EC-13011-NP

Issues Identified byIssues Identified by Complete SIT-FD verificat

Complete sets of graphs anprovided on the request of

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

y the NRC Staff (1/7)y the NRC Staff (1/7)tion test resultnd/or tabulated test data can be the NRC staff.

25/32 APR1400-F-A-EC-13011-NP

Issues Identified byy Effect of gaseous cavitatio

Gaseo s ca itation is e pect Gaseous cavitation is expectdissolved nitrogen gas comewater passes through the o

Nitrogen gas release rafollowing eqn. by assumin the SI water reaches

tin

g

in the SI water reachessolubility during the fasthe FD.

lica

tion

Mee

t

( ) ([ NinFDNN PmPmW , 222−=

FDiFDth tFD PPP +Δ−=

3rd

Pre

-ap

pl FDinFDthroatFD PPP ,, +Δ=

3SIT-Fluidic Device

y the NRC Staff (2/7)y ( )onted to occ beca se some of theted to occur because some of the es out of the SI water when the utlet nozzle throat.

ate (kg/s) is estimated using the ming that the nitrogen gas contents s the equilibrium state of thes the equilibrium state of the st pressure transient process across

)] SIthroatFD WP ,

( )22th tSItFDSI

wtr UU −+ρ ( )2 throatSIoutFDSI UU ,,,+

26/32 APR1400-F-A-EC-13011-NP

Issues Identified byy Effect of gaseous cavitatio

The solubility of nitrogen ga The solubility of nitrogen gadata provided by Sun et al. 40 oC (104 oF)

( ) 6( ) 6 840632103757812PmN ×+×−= − ..

( ) 6 543371102325312PmN ×+×−= − ..

tin

g

1.0

SI Water Temperatureog/

s

Estimation of nitrogen gas r

lica

tion

Mee

t

0 4

0.6

0.8 40 oC 0 oC

Rat

e of

N2, k

g

3rd

Pre

-ap

pl

0 0

0.2

0.4

Mas

s Fl

ow

3

0 20 40 60 80 100 120 140 160 1800.0

Time, sec

SIT-Fluidic Device

y the NRC Staff (3/7)y ( )onas is calculated by curve fitting theas is calculated by curve fitting the for the SI water at 0 oC (32 oF) &

264 264 1004235510 PP ⋅×−⋅× −− .

264 1090901110 PP ⋅×−⋅× −− .

; for 0 oC

; for 40 oC

0.15

SI Water Temperature40 oC, m

3 /s

release rate

0.10

40 oC 0 oC

ow R

ate

of N

2,

0 00

0.05

Volu

met

ric F

l

27/32 APR1400-F-A-EC-13011-NP

0 20 40 60 80 100 120 140 160 1800.00

Time, sec

Issues Identified byy Effect of gaseous cavitatio

The ma im m mass and o The maximum mass and voare much smaller than the aperiod of 100 ~ 110 second

As a result, it is expected thnitrogen gas does not mate

tin

g 15

20

f Ai

r, k

g/s Case-01-01

lica

tion

Mee

t

5

10

ge F

low

Rat

e of

3rd

Pre

-ap

pl

40 60 80 100 120 140 160 180-5

0

Dis

chra

g

3

Time, sec

SIT-Fluidic Device

y the NRC Staff (4/7)y ( )onl met ic flo ate of nit ogen gaslumetric flow rate of nitrogen gas air discharge flow rate during the ds.

hat the evolution of dissolved rially affect the FD K-factor.

3

4

Air,

m3 /s Case-01-01

1

2

ge F

low

Rat

e of

40 60 80 100 120 140 160 180 200-1

0

Dis

char

g

0 200

28/32 APR1400-F-A-EC-13011-NP

Time, sec

Issues Identified byy Effect of vaporous cavitat

CFD anal sis is being pe fo CFD analysis is being perfortemperature.

Potential vaporous caviPotential vaporous cavipressure drop through nozzle throat.

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

y the NRC Staff (5/7)y ( )tionmed fo a diffe ent SI atermed for a different SI water

tation effect is expected on thetation effect is expected on the the vortex chamber and outlet

29/32 APR1400-F-A-EC-13011-NP

Issues Identified byy Effect manufacturing unce

between the supply nozzlebetween the supply nozzle CFD analysis will be perform

Manufacturing toleranc Manufacturing toleranc

Sensitivity analysis will

tin

g

Justification of the CFD met

Mesh sensitivity

lica

tion

Mee

t

Cavitation model sensit

Turbulence model sens

3rd

Pre

-ap

pl

CFD analysis will be performBest Practice Guidelines forSafety Applications”3 Safety Applications .

SIT-Fluidic Device

y the NRC Staff (6/7)y ( )ertainty of facing angle e and control nozzlee and control nozzle

med.

e = ± 0 3oe = ± 0.3o

be conducted for ± 0.5o ~ 1.0o .

thodology

tivity

sitivity

med based on “NEA/SCNI/R5(2007) r the Use of CFD in Nuclear Reactor

30/32 APR1400-F-A-EC-13011-NP

Issues Identified byy Application of FD K factor

The results of VAPER testsbreak LOCA analysis code capability of observed flowcapability of observed flow

The test data were also usdevelopment of SIT-FD.

tin

g

p

The measured FD K-factordesign requirements of the

lica

tion

Mee

t

The design requirement raand small flow) were used

3rd

Pre

-ap

pl

The details are described iTR-12004-P Rev.0) for largCAREM3 CAREM.

SIT-Fluidic Device

y the NRC Staff (7/7)y ( )r to safety analysis

s were used to confirm large RELAP5/MOD3.3/K’s predictive

w injection behaviorw injection behavior.

sed for nodalization

r was confirmed to meet the e SIT-FD.

ange of FD K-factors (for large d for safety analysis.

in topical report (APR1400-F-A-ge break LOCA evaluation model

31/32 APR1400-F-A-EC-13011-NP

SummSumm

• Full scale tests were perfopperformance of APR1400

• Reproducibility of the perep oduc b ty o t e pe

– Performance was not seinitial SIT pressure & sta

tin

g

p

– Performance was also nomanufacturing tolerance

lica

tion

Mee

t

• APR1400 Fluidic Device mrequirements for both the

3rd

Pre

-ap

pl

periods.

3SIT-Fluidic Device

marymary

ormed to verify the yFluidic Device

rformance of Fluidic Deviceo a ce o u d c e ce

nsitive to the changes in the and pipe height.p p g

ot sensitive to the es examined.

meets the design e large and small injection

32/32 APR1400-F-A-EC-13011-NP

Thank you v

tin

g

y

lica

tion

Mee

t3r

d P

re-a

pp

l3

SIT-Fluidic Device

very much!!!y

33/32 APR1400-F-A-EC-13011-NP

Summary of FD Perfy

Test ID Peak flow rateTest ID [kg/s (lb/sec)]

Case-01-01

Case-01-02

Case-01-03

tin

g

Case-01-04

Case-02-01

lica

tion

Mee

t Case-02-01

Case-02-02

3rd

Pre

-ap

pl Case-02-03

a) Large flow / small flow conditions. Referenc

3SIT-Fluidic Device

formance (1/2)( / )

Duration of injection Fluidic Device

)injection[sec] K factor a)

TS

ce area is APR1400 discharge pipe area

34/32 APR1400-F-A-EC-13011-NP

Summary of FD Perfy

Test ID Peak flow rateTest ID [kg/s (lb/sec)]

Case-03-01

Case-03-02

C 03 03

tin

g

Case-03-03

Case-04-01

lica

tion

Mee

t

Case-04-02

Case-04-03

3rd

Pre

-ap

pl

a) Large flow / small flow conditions. Referencarea

3SIT-Fluidic Device

formance (2/2)( / )

Duration of injection Fluidic Device injection

[sec] K factor a)

TS

ce area is APR1400 discharge pipe

35/32 APR1400-F-A-EC-13011-NP

Effect of Aion FD K

Air discharges through the embefore the depletion of SI wa

The air decreas

TS

tin

g

Polytrtotal

F

lica

tion

Mee

t Frprca

3rd

Pre

-ap

pl

(P

3SIT-Fluidic Device

r Discharge gK Factormpty stand pipe ter

volume expands due to the se of SI water volume.

ropic process is valid as long as the air mass is conserved.

th t lt throm the measurement results, the ressure & volume of air at any time an be evaluated.

) ( ) ( ) ttairn

tairn

oairn PVPVPV Δ+== ,,,

36/32 APR1400-F-A-EC-13011-NP

Effect of Ai

Th i j ti fl t f

on FD K

dV

The injection flow rate of from the volume expansio

=

tairSI dt

dVtQ,

)(

tin

g Δ−

≅ Δ+ tairttair

tVV ,,

lica

tion

Mee

t

Δ

= n

PtVP

1 11

3rd

Pre

-ap

pl

Δ

oair

Pt,

)()( tQtW SIwSI ⋅= ρ3 )()( tQtW SIwSI ρ

SIT-Fluidic Device

r Discharge

SI t l b l t d

gK Factor

SI water can also be evaluated on rate of the air.

−

nn

PP

111

Δ+ tairttair PP ,,

37/32 APR1400-F-A-EC-13011-NP

Effect of Ai

The injection flow rate ma

on FD K The injection flow rate ma

until the time of & 1

Deviation occurred after t

TS

Deviation occurred after tthe air started to dischargpipe and the total air mas

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

r Discharge

atched well with each other

gK Factoratched well with each other 120 sec for Case-01 & Case-02.

the above times implying thatthe above times, implying that ge through the empty stand ss was no longer conserved.

TS

38/32 APR1400-F-A-EC-13011-NP

Polytropic Procesy p Background for the differe

for large & small flow inje

TS

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

ss of Air Expansionpent indices of polytropic process ection period

TS

39/32 APR1400-F-A-EC-13011-NP

Uncertainty Analysiy yElemental uncertaintie

inspection test reports orinspection test reports or

tin

gli

cati

on M

eet

3rd

Pre

-ap

pl

3SIT-Fluidic Device

ises were determined from calibrationscalibrations

TS

40/32 APR1400-F-A-EC-13011-NP