Irregular fuel rod packing increases surface area and power output in existing reactors without modifying the pressure vessel.
Snap-fit springs retain a debris filter in a nuclear fuel lower nozzle housing to ensure stable axial positioning.
Segmenting the bayonet disk into an inner ring and outer spring-loaded ring resolves dismantling difficulties caused by deposits in boiling water reactors.
A pulverizer produces fibrous debris with uniform length distribution matching sample strainer bags.
A cylindrical tank installed on the reactor vessel flange provides a temporary water pool for fuel assembly transfer operations.
An annular neutron stop fills the gap between the reactor pressure vessel and cavity wall to block escaping neutrons.
Electroless deposition onto a reducing-agent-coated metallic structure removes fission products from molten salt coolant without requiring reactor shutdowns.
A polymeric film sensor enables selective contaminant detection in aqueous solutions.
Tilted toroidal field coils stabilize plasma dynamics in a spherical tokamak, enabling continuous steady-state operation and achieving Q=40 energy output.
A ferritic chromium steel alloy with controlled aluminum and niobium content forms a stable oxide layer for high-temperature oxidation resistance.
Segmented cold legs shield impellers from corrosive fuel salt while density-driven flow limits temperature increases during loss of forced flow events.
A nuclear reactor fuel assembly nozzle detachable locking mechanism using spring-loaded screws and bushes.
Neutron radiation transforms long-lived fission products into shorter-lived species, reducing radioactive waste volume by up to 95%.
Periodic water release increases evaporation heat exchange ratios while reducing storage tank volume and total coolant usage.
Gas-filled pipes absorb x-ray radiation to prevent wall damage, enabling smaller containment vessels.
Segmented heat exchanger sections with optimized pipeline inclination angles minimize pressure loss and prevent water hammer during natural circulation.
Segmented containers and graded screens disperse molten core material to resolve the trade-off between rapid cooling speed and system complexity.
Inclined reed switches detect control rod position via permanent magnet fields, eliminating undefined switching states caused by stray magnetic interference.
Segmented inner and outer poloidal field coils generate a combined magnetic null to preserve superconducting critical current.
Three-dimensional spray heat exchangers accelerate heat exchange speed while reducing safety system complexity, eliminating the need for operator intervention.
A heating subsystem raises feedwater temperature to adjust recirculation water conditions in natural circulation boiling water nuclear reactors.
Rear orifices create reaction force to maintain standoff distance, preventing surface damage during high-pressure cleaning.
Symmetrical nozzles distribute gas flow to prevent filter clogging and ensure complete regeneration of metalceramic filters.
Metastable gamma phase alloy powder with elongated particles and closed porosity supports stable nuclear fuel manufacturing.
EBSD pattern quality analysis determines the degree of recrystallization in zirconium alloy cladding tubes for nuclear fuel applications.
Curved nozzle appendages reduce pressure drop across the bottom plate, balancing coolant flow and preventing debris damage to fuel rod cladding.
Axial sleeve design stabilizes guide tube components in nuclear reactor vessel heads.
Inject reaction gas through punctured cladding to convert reactive sodium metal into stable compounds, reducing disposal complexity and safety risks.
Segmented monitoring devices process independent signals to detect core fuel soundness risks during power oscillations.
Projecting a nozzle portion from the parent material surface enables inspection without expanding the required groove area, reducing costs.
A clamping device employs a two-part lid to secure a changeable bushing, eliminating the need to disassemble resilient arrangements during bushing replacement.
Clamping assembly engages dry tube assembly to initiate buckling along unsupported length, preventing debris from corroded joint failure during removal.
Internal dilution prevents solid precipitation and minimizes deposition loss during reactor startup.
A magnetic float air detector indicates gas accumulation and enables controlled venting to eliminate radiation exposure from ultrasonic testing.
A computational fluid dynamics model calculates control rod insertion time using variable and aligned grid systems for precise thermal-hydraulic analysis.
Physical vapour deposition coats uranium fuel particles with inhibitors, preventing matrix interaction and swelling under irradiation.
A dual-ring position limiting device uses interference and clearance fits to constrain a core rod for precise surgical adjustments.
Ovoid fusion target capsule resists hydrodynamic instabilities via oscillatory compression, enhancing energy yield.
An integrated nozzle repair device combines machining, examination, and welding functions into a single housing.
Back-extraction of uranium and actinides via controlled oxalic precipitation from organic solutions.
Opposing cathodes and anode create plasma in a vacuum chamber, replacing complex magnetic confinement to reduce device complexity.
A gamma thermometer measures local gamma flux to calibrate nuclear instruments using compensated signals derived from yield fractions and time constants.
Directional connectors in a clamp system constrain lateral motion to suppress flow-induced vibration while accommodating axial thermal expansion.
Corner profiles and maintenance structures guide fuel assemblies, preventing rifling damage to neutron-absorbing plates while maintaining sub-criticality.
A nuclear reaction detection device calculates separate single-bit and multi-bit upset cross-sections using FPGA error monitoring.
A bent welding gun with a rotary joint accesses tube intersections in nuclear fuel skeletons.
A rotational arm mechanism stores extraction plugs within a sealed cask hood, preventing radioactive particle release into the external environment.
A scanning camera system uses hollow-core photonic crystal fiber optics and MEMS mirrors to transmit light signals while mitigating radiation-induced noise.