RU2013115854A - REMOTE DEVICE FOR HEATING ELEMENTS - Google Patents
REMOTE DEVICE FOR HEATING ELEMENTS Download PDFInfo
- Publication number
- RU2013115854A RU2013115854A RU2013115854/07A RU2013115854A RU2013115854A RU 2013115854 A RU2013115854 A RU 2013115854A RU 2013115854/07 A RU2013115854/07 A RU 2013115854/07A RU 2013115854 A RU2013115854 A RU 2013115854A RU 2013115854 A RU2013115854 A RU 2013115854A
- Authority
- RU
- Russia
- Prior art keywords
- cells
- bulges
- spacer
- beetles
- fuel
- Prior art date
Links
Classifications
-
- 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
- Fuel Cell (AREA)
Abstract
1. Способ дистанционирования твэлов в тепловыделяющей сборке, имеющей дистанционирующие решетки (1), содержащие фигурные ячейки (2) с пуклевками (3), отличающийся тем, что поток теплоносителя воздействует на ячейки (2) таким образом, что вблизи пуклевок (3) возникают гидравлические усилия, постепенно уменьшающие внутренний вписанный диаметр ячеек (2) по пуклевкам (3), как максимум на величину возможного зазора (Δ) между пуклевкой (3) и оболочкой твэла (7).2. Дистанционирующая решетка (1), содержащая фигурные ячейки (2) с пуклевками (3), отличающаяся тем, что пуклевки (3) ячеек (2) выполнены таким образом, что большая часть внешней поверхности (4) ячеек (2) в районе пуклевок обращена к потоку теплоносителя.3. Дистанционирующая решетка по п.2, отличающаяся тем, что пуклевки (3) располагаются в нижней части ячеек (2).4. Дистанционирующая решетка по п.2, отличающаяся тем, что пуклевки (3) имеют заходную поверхность, выполненную в виде загиба (5) торца (6) ячейки (2).1. A method for spaced fuel elements in a fuel assembly having spacer grids (1) containing shaped cells (2) with bulges (3), characterized in that the coolant flow acts on the cells (2) in such a way that near the bulges (3) there are hydraulic forces gradually decreasing the internal inscribed diameter of the cells (2) along the bulges (3), as a maximum by the value of the possible gap (Δ) between the bulge (3) and the fuel element cladding (7). 2. A spacer lattice (1) containing figured cells (2) with bulges (3), characterized in that the bulges (3) of the cells (2) are made in such a way that most of the outer surface (4) of the cells (2) in the area of the bulges is facing to the coolant flow. 3. The spacer lattice according to claim 2, characterized in that the bulges (3) are located in the lower part of the cells (2). The spacer lattice according to claim 2, characterized in that the bulges (3) have a lead-in surface made in the form of a bend (5) of the end (6) of the cell (2).
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013115854/07A RU2532261C1 (en) | 2013-04-10 | 2013-04-10 | Apparatus for spacing fuel elements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013115854/07A RU2532261C1 (en) | 2013-04-10 | 2013-04-10 | Apparatus for spacing fuel elements |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2013115854A true RU2013115854A (en) | 2014-10-20 |
RU2532261C1 RU2532261C1 (en) | 2014-11-10 |
Family
ID=53380044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2013115854/07A RU2532261C1 (en) | 2013-04-10 | 2013-04-10 | Apparatus for spacing fuel elements |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2532261C1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102117496B1 (en) * | 2019-10-14 | 2020-06-01 | 한전원자력연료 주식회사 | Spacer grid of a nuclear fuel assembly having simple shape structure |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2138861C1 (en) * | 1996-12-03 | 1999-09-27 | Опытное конструкторское бюро машиностроения | Spacer grid of nuclear reactor fuel assembly |
US8238511B2 (en) * | 2009-06-09 | 2012-08-07 | Westinghouse Electric Company Llc | Nuclear fuel assembly protective bottom grid |
RU2448375C1 (en) * | 2010-11-15 | 2012-04-20 | Открытое акционерное общество "Машиностроительный завод" | Spacer grid for fuel assembly |
-
2013
- 2013-04-10 RU RU2013115854/07A patent/RU2532261C1/en active
Also Published As
Publication number | Publication date |
---|---|
RU2532261C1 (en) | 2014-11-10 |
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