Non-Proprietary Performance VerificPerformance Verificcation of … · 2013. 8. 14. · Dessg quign...
Transcript of Non-Proprietary Performance VerificPerformance Verificcation of … · 2013. 8. 14. · Dessg quign...
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
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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
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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)
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VAPER TestVAPER Test Geometrical differences b
APR1400 SIT FDAPR1400 SIT-FD
tin
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3SIT-Fluidic Device
Facility (3/3)Facility (3/3)between VAPER SIT-FD and
TS
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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
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I.D. of Stand Pipe
3
* FD-S : Fluidic Device for Sensitivity of H. o
SIT-Fluidic Device
dic Device
FD FD-S*TS
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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
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(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
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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
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3SIT-Fluidic Device
itions (3/7)( )
Reference APR1400 SITConditionVAPER Tests]
APR1400 SIT Condition
TS
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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
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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
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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
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-ap
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3SIT-Fluidic Device
itions (6/7)( / )
f th t h b h i htf the vortex chamber heightTS
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Test Matrix & Condi• Case-04 Tests
T h k th iti it f– To check the sensitivity of
tin
gli
cati
on M
eet
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3SIT-Fluidic Device
itions (7/7)( )
f th t l l idthf the control nozzle widthTS
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Test Results: SIT &T
tin
gli
cati
on M
eet
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3SIT-Fluidic Device
& Stand Pipe Levels
PgHh airwSIT )(
)( ρρ Δ−−=
TS
gairw )( ρρ −
Case-01 Tests
TS
Case-01~04
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Test Results: SI WateRateRate
tththAtW SITSIT
SITwSI ΔΔ+−= ()()( ρ
tΔ
tin
gli
cati
on M
eet
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Repeatability !!!
3SIT-Fluidic Device
er Injection Flow
tΔ ) sec2=Δt
TS
Reproducibility !!!
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(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 )
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(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
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Effect of AiEffect of Aion FD K Fa
The air discharge begun aand reached its maximum
tin
gli
cati
on M
eet
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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
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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
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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
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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
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3SIT-Fluidic Device
is (3/5)( / )
Fl idic De ice K Facto Fluidic Device K FactorTS
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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
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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
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Uncertainty Analysiy y Total Uncertainty of Fluidi
[ ] ([ 922/122
95 tBPBU +=+=
tin
gli
cati
on M
eet
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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
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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
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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
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-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
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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
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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
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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
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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
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-ap
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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
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-ap
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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
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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
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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
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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
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-ap
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(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
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-ap
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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
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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
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3SIT-Fluidic Device
ss of Air Expansionpent indices of polytropic process ection period
TS
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Uncertainty Analysiy yElemental uncertaintie
inspection test reports orinspection test reports or
tin
gli
cati
on M
eet
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3SIT-Fluidic Device
ises were determined from calibrationscalibrations
TS
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