A nuclear reactor moves liquid fuel using inert gas pressure differentials to adjust reactivity without internal mechanical pumps.
Absorber tube features flat planar sides and rounded corners to contain neutron absorbing material within a cylindrical inner capsule.
Automated multi-channel radioactive source implantation device uses a flexible delivery tube and motion platform for precise seed placement.
Permanent venting devices eliminate ultrasonic testing radiation exposure while maintaining piping system compliance.
Rotating arms adapt the device to varying diameters, enabling precise inspection inside reactor vessels.
High-temperature permanganate oxidation reduces radioactive waste and treatment cycles by accelerating oxide dissolution.
An elastic lock cap meshes serrated teeth with a body housing to fix jet pump bolts, eliminating the need for precise machining of internal grooves.
Internal head vent piping routes gas through existing penetrations, eliminating external piping disassembly and reducing maintenance downtime.
A passive cooling system uses gravity-driven spray pipes and air deflectors to remove residual heat from a pressurized water reactor core.
Actuator-driven gripper fingers retract above the top nozzle during alignment, preventing interference with hold down springs.
Engineered filter media mechanically removes particulates and water from gas flows using passive thermophoretic separation.
Longitudinal tungsten segments separated by high-conductivity copper filling reduce thermal stresses and extend lifespan in high-temperature gradients.
Combining elastic and rigid rod contacts prevents plastic deformation from transverse loads while maintaining coolant flow in nuclear fuel assemblies.
Automated tools iterate core designs against constraints, reducing manual trial-and-error errors in nuclear reactor power uprates.
Mechanical fastening replaces welding in boron-added stainless steel plate members, preventing distortion while maintaining radiation shielding performance.
Composite partition walls combine aluminum structural support with embedded neutron-absorbing elements to minimize basket mass while ensuring sub-criticality.
Extracted flow tabs and flexible finger structures redirect coolant to enhance critical power ratio, avoiding costly machining of complex channel wall features.
Mode switching circuit rapidly cycles eddy current probe between driver pick-up and impedance states to detect defects in a single pass.
Segmented canisters with conductive casings remove decay heat passively during blackouts, preventing overheating without active cooling systems.
A hydraulic control rod drive mechanism actuates reactor control rods using pressure differentials across the core barrel.
Segmented fuel zones with burnable absorbers manage neutron flux to eliminate refueling shutdowns in deflagration wave reactors.
Shielded regions outside the reactor vessel allow safe detector reuse and reduce worker exposure.
Eddy current testing waveforms interpolate missing data to calculate insertion-hole blockage rates, eliminating repeated visual inspections.
A sealed conductive coil magnetically couples with a reciprocating cam follower to induce an electrical signal for motion measurement.
Float-triggered automatic locking prevents water level drops in nuclear fuel pools, maintaining coolant coverage during leaks.
A segmented fuel guide pin with a constricted portion secures to the core plate via shrink fit.
Plasma channels in deuterated metals enable efficient kinetic energy transfer, resolving low reaction cross sections.
Segmented fuel assemblies optimize reactor core space while passive cooling ensures rapid pressure normalization during loss-of-coolant accidents.
Segmented nuclear cells in a sealed containment reduce implementation complexity while ensuring reliable continuous power generation.
A modular silo system segments containment zones to minimize water leakage during loss-of-coolant accidents.
Injecting demineralized water into a reactor side stream increases oxygen concentration without compressed gas safety hazards.
Segmented porous filtering parts widen vortex shedding frequency ranges to prevent resonance with natural frequencies, enhancing structural integrity.
Segmented storage tanks maintain cool water supply to prevent re-pressurization and reheating during design basis accidents.
A nuclear fuel storage housing uses segmented borated and non-borated flat bars to form adjacent recesses.
Combining fission gas detection with continuous power distribution pattern analysis locates fuel rod defects without reducing reactor power.
Stationary control rods replace mechanical hardware with magneto-rheological fluid systems, eliminating complex drive mechanisms and reducing maintenance costs.
Singular value decomposition extracts coolant temperature and reactivity signal components for precise moderator temperature coefficient calculation.
A method derives ion nonextensive parameters using geodesic acoustic mode frequency and plasma temperature data.
Fuel element expanders with alternating thermal materials radially space active parts to control reactivity.
Laser radar positioning guides the ejection subsystem to recover cassettes accurately, while circulating cooling water allows higher beam intensities.
Rotating and lifting replaceable tiles via a dedicated tool manages high heat flux while simplifying maintenance in fusion reactors.
A solenoid induces electromagnetic flux to lock and extract irradiated cobalt capsules from burnable absorber rodlets.
Inorganic seals maintain signal integrity in nuclear reactors by resisting radiation and heat.
Tunable neutral beam injectors stabilize field reversed configuration plasma, eliminating fast particle losses from external multipoles.
A neutron generating target uses a thin solid lithium film mounted on a heat-removal support structure cooled by liquid coolant.
Segmented pressure shells with adjustable members ensure precise alignment of core plates under high temperature and pressure conditions.
Curved target surfaces focus droplet impact energy to increase peak pressure, addressing insufficient fusion conditions from planar geometries.
Axisymmetric magnetic coils confine high performance field reversed configuration plasma without external multipole fields.
A fuel element gripping device uses removable force transmission means between carriages to enable vertical lifting and horizontal pushing operations.
Segmented circumferential welding minimizes inclination fluctuations in thick-walled cylinders while maintaining continuous motion.