FRC Plasmoid Fusion Reactor Kinetic Heating
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Solution Overview
Problem
Current fusion energy technologies face challenges in achieving economical plasma heating and confinement due to the complexity and large physical scale of plasma confinement systems, particularly in tokamak embodiments, which result in high costs and inefficiencies.
Innovation Solution
A quasi-steady fusion reactor based on plasmoids, specifically Field Reversed Configurations (FRCs), operates at an optimal power density, allowing for incremental kinetic energy input, remote divertor placement, and high conversion efficiency, enabling compact and cost-effective fusion energy generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If tokamak embodiment is used for plasma fuel confinement, then plasma confinement is achieved, but system complexity and physical scale increase significantly
Solution Approach 1:
The invention divides the plasma confinement system into multiple discrete magnetic mirror chambers arranged in series, where each chamber independently confines and heats plasma segments. This segmentation allows the system to achieve reliable plasma confinement through multiple simpler units rather than one complex tokamak structure, directly resolving the contradiction between confinement reliability and system complexity.
2Reliability
If tokamak embodiment is used for plasma fuel confinement, then plasma confinement is achieved, but physical scale becomes large
Solution Approach 1:
The invention nests multiple plasma confinement chambers within a compact linear arrangement, where each chamber is a self-contained unit that can be tightly packed. This nesting approach allows the system to achieve reliable plasma confinement across multiple chambers while maintaining a compact overall footprint, resolving the contradiction between confinement reliability and reactor size.
3Reliability
If steady state operation at low power density is used, then plasma confinement is maintained, but energy efficiency decreases
Solution Approach 1:
The invention employs periodic pulsed operation where plasma is injected, heated, and confined in discrete cycles within each magnetic mirror chamber. During each pulse, high power density is applied to heat the plasma rapidly, followed by a confinement phase where energy is extracted. This periodic action allows the system to maintain reliable plasma confinement while achieving high average power density and energy efficiency, directly resolving the contradiction with steady state low power density operation.
4Use of energy by moving object
If high power density operation is used, then energy efficiency improves, but plasma confinement becomes difficult
Solution Approach 1:
The invention segments the high power density heating process across multiple independent magnetic mirror chambers, where each chamber handles a portion of the total power load. This segmentation allows the system to operate at high overall power density while each individual chamber maintains manageable confinement conditions, resolving the contradiction between energy efficiency and plasma confinement reliability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The FRC approach facilitates efficient energy conversion, reduces development costs, and allows for the production of rare isotopes and transmutation of radioactive waste, offering a viable path for commercial fusion energy without the need for large-scale systems.
Implementation Method 1
A first series of magnets spaced longitudinally along at least a portion of the first acceleration section to accelerate a first plasmoid toward the interaction chamber
Implementation Method 2
at least one third series of magnets spaced longitudinally along at least a portion of the interaction chamber and surrounding an outer perimeter of interaction chamber to at least temporarily confine an interaction of the plasmoids
Implementation Method 3
The two formation sections are positioned at respective ends of the interaction chamber... the first and second series of magnets configured to accelerate the first and second plasmoids, respectively, toward the interaction chamber
Data Source
AI summary
Method and apparatus for heating and/or compressing plasmas to thermonuclear temperatures and densities are provided. In one aspect, at least one of at least two plasmoids separated by a distance is accelerated towards the other. The plasmoids interact, for instance to form a resultant plasmoid, to convert a kinetic energy into a thermal energy. The resultant plasmoid is confined in a high energy density state using a magnetic field. One or more plasmoids may be compressed. Energy may be recovered, for example via a blanket and/or directly via one or more coils that create a magnetic field and/or circuits that control the coils.