Compact Fusion Reactor Magnetic Coil Configuration
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Solution Overview
Problem
Existing fusion reactors are large and complex, making them unsuitable for mounting on vehicles or providing decentralized power, and they face challenges in confining plasma effectively for efficient fusion reactions.
Innovation Solution
A compact fusion reactor design featuring an encapsulated linear ring cusp configuration with internal and encapsulating magnetic coils, mirror coils, and support stalks that provide mechanical support, isolation, and shielding to minimize plasma disruption, allowing for efficient plasma confinement and heat generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fusion reactor designs are used, then plasma confinement is achieved, but the reactor size becomes large and complex
Solution Approach 1:
The magnetic coil system is segmented into multiple independent coils (toroidal field coils, poloidal field coils, and central solenoid) that can be positioned at different locations within the reactor. This segmentation allows for distributed magnetic field generation, enabling compact configuration while maintaining effective plasma confinement through coordinated operation of multiple coil sets
Solution Approach 2:
The patent employs a nested arrangement where poloidal field coils are positioned within the toroidal field coil structure, and central solenoid is located at the core. This nesting enables multiple magnetic field functions to be achieved within a reduced spatial footprint, decreasing overall reactor complexity while preserving confinement capabilities
2Strength
If support structures are placed in plasma, then mechanical support is provided, but plasma disruption increases
Solution Approach 1:
Magnetic fields serve as an intermediary between the support structures and plasma, providing mechanical support for plasma confinement without direct physical contact. The magnetic pressure and tension forces replace traditional mechanical supports, eliminating solid structures that would disrupt plasma flow and reduce harmful interactions
Solution Approach 2:
The patent replaces mechanical support structures with electromagnetic fields for plasma confinement. Magnetic pressure (B²/2μ0) and field line tension provide the confining force traditionally supplied by physical walls and supports, eliminating the need for solid structures within the plasma chamber and thereby reducing plasma disruption
3Adaptability or versatility
If reactor size is reduced for vehicle mounting, then adaptability improves, but plasma confinement efficiency decreases
Solution Approach 1:
The magnetic field configuration is made dynamically adjustable through independent control of multiple coil sets. Toroidal field coils, poloidal field coils, and central solenoid can be energized at different current levels to adapt the magnetic confinement parameters to varying operational requirements, enabling efficient plasma confinement in compact configurations suitable for vehicle mounting
Solution Approach 2:
The patent employs parameter changes in magnetic field strength, geometry, and temporal characteristics to optimize plasma confinement in reduced-size reactors. By adjusting coil currents and switching between different magnetic configuration modes, the system maintains high confinement efficiency despite compact dimensions required for mobile applications
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 design achieves global MHD stability, reduces particle losses, and enables a compact, efficient fusion reactor that can be scaled for various applications, including vehicles and power plants, with reduced capital costs and simplified engineering.
Implementation Method 1
The magnetic coils are operable, when supplied with electric currents, to form magnetic fields for confining plasma within the enclosure
Implementation Method 2
The one or more support stalks may be coated to provide sputtering resistance to impacting plasma
Data Source
AI summary
A fusion reactor includes an enclosure having a first end, a second end opposite the first end, and a midpoint substantially equidistant between the first and second ends of the enclosure. The fusion reactor includes two internal magnetic coils suspended within the enclosure and positioned on opposite sides of the midpoint of the enclosure, one or more encapsulating magnetic coils positioned on each side of the midpoint of the enclosure, two mirror magnetic coils positioned on opposite sides of the midpoint of the enclosure, and one or more support stalks for supporting the two internal magnetic coils suspended within the enclosure. The one or more encapsulating magnetic coils and the two mirror magnetic coils are coaxial with the internal magnetic coils. The magnetic coils are operable, when supplied with electric currents, to form magnetic fields for confining plasma within the enclosure.