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ICEWATER
Erki Metsanurk, Mattias Klintenberg
2017-10-11
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ICEWATER
Project to design and build equipment for inducingirradiation-assisted stress corrosion cracking in stainless steelusing simultaneous irradiation, corrosion and tensile loading.
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PREVIOUSLY
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LOCAL HEATING OF THE FOILS AND WATER
At the highest beam current density of 10 uA/cm2, the sampletemperature increased only 3 ◦C from 320 to 323 ◦C.(10.1016/j.jnucmat.2014.03.022)
3.2 MeV · 10 µA/cm2 · π/4 · (2 mm)2/q = 1 W
1 W/(π/4 · (2 mm)2 · 40 µm) = 8 GW/m3
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LOCAL HEATING OF THE FOILS AND WATER
At the highest beam current density of 10 uA/cm2, the sampletemperature increased only 3 ◦C from 320 to 323 ◦C.(10.1016/j.jnucmat.2014.03.022)
3.2 MeV
· 10 µA/cm2 · π/4 · (2 mm)2/q = 1 W
1 W/(π/4 · (2 mm)2 · 40 µm) = 8 GW/m3
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LOCAL HEATING OF THE FOILS AND WATER
At the highest beam current density of 10 uA/cm2, the sampletemperature increased only 3 ◦C from 320 to 323 ◦C.(10.1016/j.jnucmat.2014.03.022)
3.2 MeV · 10 µA/cm2
· π/4 · (2 mm)2/q = 1 W
1 W/(π/4 · (2 mm)2 · 40 µm) = 8 GW/m3
4 of 26
LOCAL HEATING OF THE FOILS AND WATER
At the highest beam current density of 10 uA/cm2, the sampletemperature increased only 3 ◦C from 320 to 323 ◦C.(10.1016/j.jnucmat.2014.03.022)
3.2 MeV · 10 µA/cm2 · π/4 · (2 mm)2
/q = 1 W
1 W/(π/4 · (2 mm)2 · 40 µm) = 8 GW/m3
4 of 26
LOCAL HEATING OF THE FOILS AND WATER
At the highest beam current density of 10 uA/cm2, the sampletemperature increased only 3 ◦C from 320 to 323 ◦C.(10.1016/j.jnucmat.2014.03.022)
3.2 MeV · 10 µA/cm2 · π/4 · (2 mm)2/q
= 1 W
1 W/(π/4 · (2 mm)2 · 40 µm) = 8 GW/m3
4 of 26
LOCAL HEATING OF THE FOILS AND WATER
At the highest beam current density of 10 uA/cm2, the sampletemperature increased only 3 ◦C from 320 to 323 ◦C.(10.1016/j.jnucmat.2014.03.022)
3.2 MeV · 10 µA/cm2 · π/4 · (2 mm)2/q = 1 W
1 W/(π/4 · (2 mm)2 · 40 µm) = 8 GW/m3
4 of 26
LOCAL HEATING OF THE FOILS AND WATER
At the highest beam current density of 10 uA/cm2, the sampletemperature increased only 3 ◦C from 320 to 323 ◦C.(10.1016/j.jnucmat.2014.03.022)
3.2 MeV · 10 µA/cm2 · π/4 · (2 mm)2/q = 1 W
1 W
/(π/4 · (2 mm)2 · 40 µm) = 8 GW/m3
4 of 26
LOCAL HEATING OF THE FOILS AND WATER
At the highest beam current density of 10 uA/cm2, the sampletemperature increased only 3 ◦C from 320 to 323 ◦C.(10.1016/j.jnucmat.2014.03.022)
3.2 MeV · 10 µA/cm2 · π/4 · (2 mm)2/q = 1 W
1 W/(π/4 · (2 mm)2 · 40 µm)
= 8 GW/m3
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LOCAL HEATING OF THE FOILS AND WATER
At the highest beam current density of 10 uA/cm2, the sampletemperature increased only 3 ◦C from 320 to 323 ◦C.(10.1016/j.jnucmat.2014.03.022)
3.2 MeV · 10 µA/cm2 · π/4 · (2 mm)2/q = 1 W
1 W/(π/4 · (2 mm)2 · 40 µm) = 8 GW/m3
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8 GW > 1.21 GW
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HOW MUCH IS IT REALLY?
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HOW MUCH IS IT REALLY?
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HOW MUCH IS IT REALLY?
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HEATING IN AIR
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HEATING IN WATER
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HEATING IN WATER
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HEATING IN WATER
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HEATING IN WATER
Video
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HEATING IN WATER
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HEATING IN WATER
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HEATING IN WATER
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HEATING IN WATER
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POSSIBLE SOLUTIONS
I Quantify the temperature increase through simulationsand experiments and adjust the bulk water temperatureaccordingly
I Get the water flowing between the window and thesample - water enters the cell through the sample
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POSSIBLE SOLUTIONS
I Quantify the temperature increase through simulationsand experiments and adjust the bulk water temperatureaccordingly
I Get the water flowing between the window and thesample - water enters the cell through the sample
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SOLUTION 2
proton beamwater flow
sample
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IRRADIATION TESTS
1. 50 µm 316L foil, 5 MeV2. 76 µm HiFlex foil, 5 MeV3. 50 µm 316L foil, 8 MeV
I Energies up to 5 MeV should be fineI Thinner window and water layerI Smaller beam diameter
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IRRADIATION TESTS WITH HIGH TEMPERATURE AND
PRESSURE
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SRIM
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SRIM
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BACK-PRESSURE REGULATOR
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BACK-PRESSURE REGULATOR
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FRICTION PROBLEM
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Thank you
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