SE503244C2 - Lättvattenreaktorhärd där bränslestavarna har mellanliggande områden med lite eller ingen fissil nuklid - Google Patents
Lättvattenreaktorhärd där bränslestavarna har mellanliggande områden med lite eller ingen fissil nuklidInfo
- Publication number
- SE503244C2 SE503244C2 SE8801101A SE8801101A SE503244C2 SE 503244 C2 SE503244 C2 SE 503244C2 SE 8801101 A SE8801101 A SE 8801101A SE 8801101 A SE8801101 A SE 8801101A SE 503244 C2 SE503244 C2 SE 503244C2
- Authority
- SE
- Sweden
- Prior art keywords
- reactor
- fuel
- reactor core
- areas
- core according
- Prior art date
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract 4
- 239000006096 absorbing agent Substances 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 15
- 238000000429 assembly Methods 0.000 claims description 15
- 238000009792 diffusion process Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000011824 nuclear material Substances 0.000 abstract 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 14
- 238000009835 boiling Methods 0.000 description 12
- 239000008188 pellet Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910002804 graphite Inorganic materials 0.000 description 9
- 239000010439 graphite Substances 0.000 description 9
- 230000009467 reduction Effects 0.000 description 8
- 239000011800 void material Substances 0.000 description 8
- 239000002775 capsule Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000009257 reactivity Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 229910052593 corundum Inorganic materials 0.000 description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 3
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 2
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910016341 Al2O3 ZrO2 Inorganic materials 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 229910001093 Zr alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000568 zirconium hydride Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C5/00—Moderator or core structure; Selection of materials for use as moderator
- G21C5/02—Details
-
- 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
-
- 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)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62072990A JPH0776794B2 (ja) | 1987-03-28 | 1987-03-28 | 沸騰水型原子炉の炉心 |
| JP62085748A JP2523615B2 (ja) | 1987-04-09 | 1987-04-09 | 軽水炉の炉心 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8801101D0 SE8801101D0 (sv) | 1988-03-25 |
| SE8801101L SE8801101L (sv) | 1988-09-29 |
| SE503244C2 true SE503244C2 (sv) | 1996-04-29 |
Family
ID=26414125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8801101A SE503244C2 (sv) | 1987-03-28 | 1988-03-25 | Lättvattenreaktorhärd där bränslestavarna har mellanliggande områden med lite eller ingen fissil nuklid |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE3810202A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| SE (1) | SE503244C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1439924A1 (de) * | 1960-09-29 | 1969-10-23 | Westinghouse Electric Corp | Brennstab fuer Kernreaktoren |
| US3274067A (en) * | 1965-06-07 | 1966-09-20 | Greebler Paul | Fuel rod design |
| US4080253A (en) * | 1976-09-21 | 1978-03-21 | Westinghouse Electric Corporation | Expandable device for a nuclear fuel rod |
-
1988
- 1988-03-25 SE SE8801101A patent/SE503244C2/sv not_active IP Right Cessation
- 1988-03-25 DE DE3810202A patent/DE3810202A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE8801101D0 (sv) | 1988-03-25 |
| SE8801101L (sv) | 1988-09-29 |
| DE3810202A1 (de) | 1988-10-06 |
| DE3810202C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-01-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |