h2/d2 sieverts solubility constant in lipb eutectic from
TRANSCRIPT
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G. ALBERRO, P.M. MARTINEZ, E. WIRTH, S. MOREAU, N. MORAL, I. PEÑALVA, A. SARRIONANDIA-IBARRA, F. LEGARDA,
G. A. ESTEBAN, L. SEDANOSeptember - 2010
H2/D2 Sieverts solubility constant in LiPb eutectic from two independent Isovolumetric Desorption Tests
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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• Determine the magnitude and kinetics of the induced tritium flux from the breeding region from the blanket to the helium cooling loop,
• The design (sizing and efficiency) of future tritium extraction systems of the breeding alloy or the He coolant purification system will be defined on the basis of these transport parameters.
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TechniqueT
[K]p0
[Pa]Isotope
Ks0
[mol m-3Pa-1/2]D0
[m2s-1]Reference
Absorption 423 - 923 103 – 105 H 0.1185 - Aiello
Desorption 508 - 700 103 – 105 H 6.76 10-4 4.03 10-8 Reiter
Desorption 723 103 – 104 D 7.48 10-4 1.50 10-9 Fauvet
Desorption 573 - 723 104 – 105 T 2.99 10-2 - Katsuta
Absorption 573 - 773 Up to 104 H 1.30 10-2 - Chan
Absorption 850 - 1040 1 - 10 D 1.75 10-2 - Wu
Experimental Hydrogen Sieverts’ constants and diffusivities of eutectic LiPb
Unacceptable data scattering in the literature.
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INDEX
1. Introduction2. Task execution historic3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Mathematical model description8. Ks and D absorption/desorption results9. PCTPRO2000®10.PCTPRO2000® absorption measurements: Ks and D 11. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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early 90´s
• Key upgrades and investments: - vacuum pumps and advanced seals, - pressure heads, - quartz components and W sample holder, - data acquisition improvement,
2003-2005
• Improvement/expertise of I(A-D)E measurement technique for LiPb eutectic
> 2006
• Facility recovered at EHU/Bilbao with regional and national programme support.
by 2002
• Reiter conceived (as sole facility in the world able to produce reversible I(A-D) measurements in liquids), developed and exploited at JRC-Ispra (I)
• Identifications of a large set of parasitic effects in the measurement: key for reproducibility
today • A unique EU R&D FT capability fully operational.• Sensitivity for other low H-absorbing materials and
much lower absorbing gases (He)
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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H2 (D2) Supply
Filter
LNT
To
compressed
air
UHV1
OVEN
UHV2
Turbomolecular
pump
Rotative pump
LV1
LV2
MV
QMS
P1
BAG
G2
P3
V2
V1
F
T3
T1, T2
Turbomolecular
pump
Rotative pump
P2
G1
V3
P3
BAG Bayard-Alpert Gauge MV Manually actuated magnetic valve
F Furnace P1, P2 Capacitive manometers
G1 Electropneumatic gate valve P3 Spinning rotor gauge
UHV Ultra high vacuum pumping units QMS Quadrupole mass spectrometer
G2 Manually actuated gate valve V1 Experimental chamber
T1, T2 Thermocuples V2, V3 Expansion volumes
T3 Pt-Resistance Thermometers LV1,2 Manually actuated leak valves
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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Parasitic absorptions
LiPb boiling at pumping phase
Li-segregation in hyper-eutectic LiPb
LiPb oxidation with highly absorbing Li2O formation, as floating debris
Li vapor pressure effect on pressure heads
LiPb solved impurities
LiPb convection
W/quartz crucible and blank tests for Li attacks to quartz
Cooled intermediate glassy serpentine for Li vapor trap
Sample as received Not way to correct
Prevent LiPb oxidationFlushing Ar & pumping
Quantified (minimum impact)
Quantified (marginal effect in the test)
Assessed. Effect on increasing D
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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t
p(t)
τp τrτl
Loading ReleasePumping
pl
pf
PbLi
H2
W
crucible
x = 0
x = a
x
c(x)
c0
(H)
a)(x)n(en
cctxc
n
atnDn
2/12cos)12(
)1(4),(
0
)4/()12(001
222
)4/()12(
0
)4/()12(02
222222
1)2/()12(cos)12(
)1(4),(
anD
n
atnDn
Leaxnen
ctxc
)4/()12()4/()12(
0
)4/()12(03
222222222
1)2/()12(cos)12(
)1(4),(
anDanD
n
atnDn
LP eeaxnen
ctxc
)4/()12()4/()12()4/()12(
022
2/1222222222
11)12(
18)()(
anDanDatnD
n
sLsN
NLP eee
nVpK
V
RTtp
0
)4/()12(
22
2/1
,
222
)12(
181)(
n
atnD
sLsN
LNN en
VpKV
RTptp
Absorption
Desorption
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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t
p(t)
p rl
Loading ReleasePumping
pl
pf
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0
0,02
0,04
0,06
0,08
0 5000 10000 15000 20000 25000 30000 35000 40000
t [s]
pn
[m
ba
r]
NO SAMPLE
SAMPLE
NET
523 K
0
0,04
0,08
0,12
0,16
0 5000 10000 15000 20000 25000 30000 35000 40000
t [s]
pn
[m
bar]
NO SAMPLE
SAMPLE
NET
773 K
0
0,04
0,08
0,12
0 5000 10000 15000 20000 25000 30000 35000 40000
t [s]
pn
[m
ba
r]
NO SAMPLE
SAMPLE
NET
613 K
0
0,04
0,08
0,12
0,16
0 5000 10000 15000 20000 25000 30000 35000 40000
t [s]
pn
[m
ba
r]
NO SAMPLE
SAMPLE
NET
703 K
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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Experimental measurements in 2007 at the UPV-EHU:
• Technique: Desorption• Temperature range: T = 532 – 753 [K]• Pressure range: p = 105 [Pa]• Isotope: H
In 2008 :
• Technique: Absorption• Temperature range: T = 523 – 703 [K]• Pressure range: p = 10 - 102 [Pa]• Isotope: H
In 2009 :
• Technique: Desorption• Temperature range: T = 523 – 773 [K]• Pressure range: p = 104 [Pa]• Isotope: H
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Difusividad
1.00E-10
1.00E-09
1.00E-08
1.00E-07
1.00E-06
1.00E-05
1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2
1000/T [K-1
]
D [
m2 s
-1]
UPV-EHU (2007)
UPV-EHU (2008)
UPV-EHU (2009)
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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3 pressures: 0.1, 0.5, 1 (bar); 3 temperatures: 300, 350 and 400 (ºC), 2
types of lead-lithium (Stachow, IPUL)
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• Quite similar to the “classic” one.
• Fully automatised calibration and vacuum as a major QA point
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Absorption/desorption curves
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Stachow, LiPb
IPUL, LiPb
Sievert´s behavior evidenced
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Absorption/desorption runs examples6. Mathematical model description7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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Ks values
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D values
1.00E-09
1.00E-08
1.00E-07
1.00E-06
1.00E-05
1.00E-04
1.45 1.5 1.55 1.6 1.65 1.7 1.75 1.8
1000/T [K-1]
D [
m2/s
] Ciemat-UPM Diff IPUL H
Ciemat-UPM Diff IPUL D
Ciemat-UPM Diff Stachow D
Ciemat-UPM Diff Stachow H
Ciemat-UPM Diff IPUL H
Ciemat-UPM Diff IPUL D
Ciemat-UPM Diff Stachow D
Ciemat-UPM Diff Stachow
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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Ingot BJost‐Hinrich Stachov Metahandel Spec: 18.8 ± 4.1 ‐ 19.4 ± 3.5 %at Li
Ingot ALatvia Univ., (IPUL)Spec: 15.8 ‐ 16.1 ± 0.2 %at Li
0 2 4 6 8 10
10
20
30
40
50
Lingote A - Pico seleccionado
ThermoX ELAN
6Li
7Li
Li total
co
nc.
Li
/
g·d
m-3
muestra
0 2 4 6 8 10
10
20
30
40
50
Lingote B - Pico seleccionado
ThermoX ELAN
6Li
7Li
Li total
co
nc.
Li
/
g·d
m-3
muestra
(TIMS analysis, Ciemat)
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection• Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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Geometry(symmetry):W = 0.5*0.015mH = 0.5*0.6m
Parameters:n = 0.000001335 [m²/s]a = 0.000008901 [m²/s]Cp = 188.41 [j/molK]S= 1 [W/cc]
Boussinesq:T0 = 623.15 [K]beta = 0.001 [1/K]r0 = 9660 [kg m-3]
BB.CC.:North wall: fixed temperature 623.15KSouth wall: fixed temperature 623.15KLateral wall: fixed temperature 623.15Kaxis: axis-symmetric BC
Steady state reached for t> 90s
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
![Page 35: H2/D2 Sieverts solubility constant in LiPb eutectic from](https://reader035.vdocuments.net/reader035/viewer/2022062416/62ada3ce6c102530c954a4aa/html5/thumbnails/35.jpg)
1.0E-09
1.0E-08
1.0E-07
1.0E-06
1.0E-05
0.8 1 1.2 1.4 1.6 1.8 2 2.2
1000/T (K-1)
KS
(at
fr/P
a1/2
)
100200300400500600700
T (ºC)
Ciemat-UPM (IPUL) H
Ciemat-UPM (IPUL) D
Ciemat-UPM (STACHOW) D
UPV-EHU H 2007
UPV-EHU H 2008
UPV-EHU H 2009
Reiter H
Reiter D
Aiello H
CH T
CH_Wu D
Katsuta H
Chan H
Fauvet H
Shumacher H
Fukada H
INL 2008 H
INL 2009 H
QRCSM
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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1.00E-10
1.00E-09
1.00E-08
1.00E-07
1.00E-06
1.00E-05
1.00E-04
1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 2.1
1000/T [K-1]
D [
m2/s
]
Ciemat-UPM Diff IPUL H
Ciemat-UPM Diff Stachow HCiemat-UPM Diff IPUL D
Ciemat-UPM Diff Stachow DReiter Diff
Shibuya Diff TFukada Diff H
UPV-EHU H 2007UPV-EHU H 2008
UPV-EHU H 2009
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
![Page 39: H2/D2 Sieverts solubility constant in LiPb eutectic from](https://reader035.vdocuments.net/reader035/viewer/2022062416/62ada3ce6c102530c954a4aa/html5/thumbnails/39.jpg)
• Desorption results (2009) confirm range of absorption ones (2008) showing global consistence and confirms Es of Reiter´s tests
• High Ks (compared to Reiter´s one) can be explained in terms of LiPb QA (Li in excess assessed for Stachow GmB material)
• Convection is assessed. High D derived values can be explained by convection.
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INDEX
1. Introduction2. Task execution historic 3. IDE measurement technique & facility 4. Difficulties, parasitic effects and corrective actions5. Mathematical model description6. Absorption/desorption runs examples7. Ks and D absorption/desorption results8. PCTPRO2000®9. PCTPRO2000® absorption measurements: Ks and D 10. Discussion
• LiPb QA• LiPb convection • Ks results and other values in the field´s literature• D results and other values in the field´s literature
11. Conclusions12. Near term prospected (proposed) activities
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• A fully operational facility providing transport data in LiPb eutectic keeps available at UPV-EHU/Bilbao for future new tasks uses:- further H/D experimental runs,- He transport measurements in LiPb
• A complementary facility, PCTPRO2000®, is developed. Changes have been made to improve measurements accuracy, and in order to avoid parasitic effects.