JPH0378599B2 - - Google Patents
Info
- Publication number
- JPH0378599B2 JPH0378599B2 JP58046078A JP4607883A JPH0378599B2 JP H0378599 B2 JPH0378599 B2 JP H0378599B2 JP 58046078 A JP58046078 A JP 58046078A JP 4607883 A JP4607883 A JP 4607883A JP H0378599 B2 JPH0378599 B2 JP H0378599B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel assembly
- fuel
- cold shutdown
- control zone
- shutdown control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000446 fuel Substances 0.000 claims description 185
- 238000009826 distribution Methods 0.000 claims description 42
- 239000011358 absorbing material Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 27
- 239000006096 absorbing agent Substances 0.000 claims description 23
- 230000009257 reactivity Effects 0.000 claims description 19
- 230000002745 absorbent Effects 0.000 claims description 18
- 239000002250 absorbent Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000004323 axial length Effects 0.000 claims description 9
- 239000003758 nuclear fuel Substances 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000002776 aggregation Effects 0.000 claims 1
- 238000004220 aggregation Methods 0.000 claims 1
- 230000007704 transition Effects 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 description 160
- 239000000203 mixture Substances 0.000 description 20
- 230000001965 increasing effect Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 15
- 230000000712 assembly Effects 0.000 description 13
- 238000000429 assembly Methods 0.000 description 13
- 239000002826 coolant Substances 0.000 description 11
- 230000004992 fission Effects 0.000 description 11
- 230000009467 reduction Effects 0.000 description 10
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 229910052770 Uranium Inorganic materials 0.000 description 7
- 229910052688 Gadolinium Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 230000000670 limiting effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 229910052778 Plutonium Inorganic materials 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- WZECUPJJEIXUKY-UHFFFAOYSA-N [O-2].[O-2].[O-2].[U+6] Chemical compound [O-2].[O-2].[O-2].[U+6] WZECUPJJEIXUKY-UHFFFAOYSA-N 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010981 turquoise Substances 0.000 description 1
- 229910000439 uranium oxide Inorganic materials 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
- G21C1/00—Reactor types
- G21C1/04—Thermal reactors ; Epithermal reactors
- G21C1/06—Heterogeneous reactors, i.e. in which fuel and moderator are separated
- G21C1/08—Heterogeneous reactors, i.e. in which fuel and moderator are separated moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor
- G21C1/084—Boiling water reactors
-
- 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
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/326—Bundles of parallel pin-, rod-, or tube-shaped fuel elements comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods
- G21C3/328—Relative disposition of the elements in the bundle lattice
-
- 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
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
-
- 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)
- Fuel-Injection Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US36038982A | 1982-03-22 | 1982-03-22 | |
| US360389 | 1982-03-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58179392A JPS58179392A (ja) | 1983-10-20 |
| JPH0378599B2 true JPH0378599B2 (es) | 1991-12-16 |
Family
ID=23417762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58046078A Granted JPS58179392A (ja) | 1982-03-22 | 1983-03-22 | 可燃性吸収材配列燃料集合体 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS58179392A (es) |
| DE (1) | DE3308956A1 (es) |
| ES (1) | ES8404543A1 (es) |
| IT (1) | IT1160746B (es) |
| SE (1) | SE500900C2 (es) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59102188A (ja) * | 1982-12-06 | 1984-06-13 | 株式会社東芝 | 燃料集合体 |
| JPH0660948B2 (ja) * | 1985-04-12 | 1994-08-10 | 株式会社日立製作所 | 燃料集合体 |
| DE8630859U1 (de) * | 1986-11-18 | 1988-06-16 | Siemens AG, 1000 Berlin und 8000 München | Druckwasserkernreaktor |
| DE3824082A1 (de) * | 1987-07-18 | 1989-01-26 | Toshiba Kawasaki Kk | Brennstoff-anordnung fuer kernreaktoren |
| JPH07109435B2 (ja) * | 1989-03-20 | 1995-11-22 | 株式会社日立製作所 | 燃料集合体 |
| US5089210A (en) * | 1990-03-12 | 1992-02-18 | General Electric Company | Mox fuel assembly design |
| JP3037717B2 (ja) * | 1990-04-27 | 2000-05-08 | 株式会社東芝 | 原子炉の燃料集合体 |
| JP3481648B2 (ja) * | 1993-05-18 | 2003-12-22 | 株式会社東芝 | 原子炉用燃料集合体および原子炉の初装荷炉心 |
| SE506820C2 (sv) * | 1996-06-20 | 1998-02-16 | Asea Atom Ab | Bränslepatron innefattande ett flertal på varandra staplade bränsleenheter, där bränsleenheterna innefattar bränslestavar med skilda diametrar |
| EP1093129B1 (en) * | 1999-10-14 | 2003-12-10 | Kabushiki Kaisha Toshiba | Fuel assembly and nuclear reactor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54121389A (en) * | 1978-03-13 | 1979-09-20 | Hitachi Ltd | Fuel assembly |
| JPS54162086A (en) * | 1978-06-13 | 1979-12-22 | Nippon Atom Ind Group Co Ltd | Reactor |
| JPS5526432A (en) * | 1978-08-16 | 1980-02-25 | Tokyo Shibaura Electric Co | Fuel assembly |
| JPS5594183A (en) * | 1979-01-10 | 1980-07-17 | Tokyo Shibaura Electric Co | Fuel assembly |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3799839A (en) * | 1971-01-07 | 1974-03-26 | Gen Electric | Reactivity and power distribution control of nuclear reactor |
| JPS5829878B2 (ja) * | 1976-09-25 | 1983-06-25 | 株式会社日立製作所 | 燃料集合体 |
| US4285769A (en) * | 1978-10-19 | 1981-08-25 | General Electric Company | Control cell nuclear reactor core |
-
1983
- 1983-02-22 SE SE8300979A patent/SE500900C2/sv not_active IP Right Cessation
- 1983-02-23 ES ES83520007A patent/ES8404543A1/es not_active Expired
- 1983-03-12 DE DE19833308956 patent/DE3308956A1/de active Granted
- 1983-03-18 IT IT20150/83A patent/IT1160746B/it active
- 1983-03-22 JP JP58046078A patent/JPS58179392A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54121389A (en) * | 1978-03-13 | 1979-09-20 | Hitachi Ltd | Fuel assembly |
| JPS54162086A (en) * | 1978-06-13 | 1979-12-22 | Nippon Atom Ind Group Co Ltd | Reactor |
| JPS5526432A (en) * | 1978-08-16 | 1980-02-25 | Tokyo Shibaura Electric Co | Fuel assembly |
| JPS5594183A (en) * | 1979-01-10 | 1980-07-17 | Tokyo Shibaura Electric Co | Fuel assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| SE8300979D0 (sv) | 1983-02-22 |
| IT1160746B (it) | 1987-03-11 |
| SE500900C2 (sv) | 1994-09-26 |
| IT8320150A0 (it) | 1983-03-18 |
| ES520007A0 (es) | 1984-04-16 |
| DE3308956C2 (es) | 1990-12-20 |
| ES8404543A1 (es) | 1984-04-16 |
| DE3308956A1 (de) | 1983-09-29 |
| SE8300979L (sv) | 1983-09-23 |
| JPS58179392A (ja) | 1983-10-20 |
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