NO124048B - - Google Patents
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- Publication number
- NO124048B NO124048B NO2024/68A NO202468A NO124048B NO 124048 B NO124048 B NO 124048B NO 2024/68 A NO2024/68 A NO 2024/68A NO 202468 A NO202468 A NO 202468A NO 124048 B NO124048 B NO 124048B
- Authority
- NO
- Norway
- Prior art keywords
- poison
- fuel
- fuel element
- element according
- ceramic
- Prior art date
Links
- 239000000446 fuel Substances 0.000 claims description 103
- 231100000614 poison Toxicity 0.000 claims description 88
- 239000002574 poison Substances 0.000 claims description 83
- 238000009792 diffusion process Methods 0.000 claims description 30
- 230000004888 barrier function Effects 0.000 claims description 28
- 239000000919 ceramic Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 239000012876 carrier material Substances 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000003758 nuclear fuel Substances 0.000 claims description 4
- 229910052715 tantalum Inorganic materials 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 229910052772 Samarium Inorganic materials 0.000 claims description 3
- 229910052574 oxide ceramic Inorganic materials 0.000 claims description 3
- 239000011224 oxide ceramic Substances 0.000 claims description 3
- 229910052691 Erbium Inorganic materials 0.000 claims description 2
- 229910052765 Lutetium Inorganic materials 0.000 claims description 2
- 150000002602 lanthanoids Chemical group 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims 3
- 229910010293 ceramic material Inorganic materials 0.000 claims 2
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims 1
- 229940075613 gadolinium oxide Drugs 0.000 claims 1
- 229910001938 gadolinium oxide Inorganic materials 0.000 claims 1
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims 1
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 claims 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 claims 1
- 239000008188 pellet Substances 0.000 description 24
- 239000011195 cermet Substances 0.000 description 11
- 231100000331 toxic Toxicity 0.000 description 11
- 230000002588 toxic effect Effects 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 238000005538 encapsulation Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 230000007096 poisonous effect Effects 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004992 fission Effects 0.000 description 2
- 238000010285 flame spraying Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007750 plasma spraying Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910001093 Zr alloy Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/02—Control of nuclear reaction by using self-regulating properties of reactor materials, e.g. Doppler effect
- G21C7/04—Control of nuclear reaction by using self-regulating properties of reactor materials, e.g. Doppler effect of burnable poisons
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/16—Details of the construction within the casing
- G21C3/18—Internal spacers or other non-active material within the casing, e.g. compensating for expansion of fuel rods or for compensating excess reactivity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE07399/67A SE327763B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-05-26 | 1967-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO124048B true NO124048B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-02-21 |
Family
ID=20271270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO2024/68A NO124048B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-05-26 | 1968-05-24 |
Country Status (4)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2518300B1 (fr) * | 1981-12-11 | 1987-10-16 | Framatome Sa | Crayon contenant un materiau consommable pour le pilotage d'un reacteur nucleaire |
| DE3402192A1 (de) * | 1983-02-22 | 1984-08-23 | Westinghouse Electric Corp., Pittsburgh, Pa. | Mit einem abbrennbaren neutronenabsorber beschichteter kernbrennstoffkoerper |
| FR2543349B1 (fr) * | 1983-03-21 | 1985-06-14 | Pechiney Uranium | Assemblage combustible a taux de combustion eleve pour reacteur nucleaire |
| US4587088A (en) * | 1983-08-26 | 1986-05-06 | Westinghouse Electric Corp. | Coating a nuclear fuel with a burnable poison |
| US5156804A (en) * | 1990-10-01 | 1992-10-20 | Thermal Technology, Inc. | High neutron-absorbing refractory compositions of matter and methods for their manufacture |
-
1967
- 1967-05-26 SE SE07399/67A patent/SE327763B/xx unknown
-
1968
- 1968-05-24 DK DK242268AA patent/DK127987B/da unknown
- 1968-05-24 NO NO2024/68A patent/NO124048B/no unknown
- 1968-06-17 FR FR1587354D patent/FR1587354A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1587354A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-03-20 |
| DK127987B (da) | 1974-02-11 |
| SE327763B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-08-31 |
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