What question did this study set out to answer?

To propose a conceptual design for a linear fusion device that employs innovative heating and compression techniques.

April 29, 20260 citationsOpen Access

Conceptual Design of a Linear Fusion Device Based on Magnetic Compression and Synchronized Multi-Modal Heating

Key Points

To propose a conceptual design for a linear fusion device that employs innovative heating and compression techniques.
Incorporates pulsed magnetic compression with bidirectional microwave heating.
Maintains axial symmetry through dual-end energy injection.
Introduces a secondary exploratory module utilizing X-ray and ultraviolet irradiation.
Preliminary estimates indicate potential ion temperatures of 50–80 keV.
The design aims to achieve conditions close to break-even levels.

Abstract

AbstractA conceptual linear fusion device is proposed, combining pulsed magnetic compression withbidirectional microwave heating. The approach aims to simultaneously increase plasma densityand temperature through adiabatic compression, while maintaining axial symmetry via dual-endenergy injection.A secondary exploratory module based on X-ray and ultraviolet irradiation is introduced as apotential mechanism for inducing non-thermal plasma effects. This component is explicitly treatedas speculative and requires dedicated numerical validation.Preliminary analytical estimates suggest that ion temperatures in the range of 50–80 keV maybe achievable under optimistic assumptions, potentially approaching break-even conditions. Theconcept is intended as an intermediate-scale experimental platform rather than a reactor-readydesign.

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