Related Experiment Video
Updated: Jul 29, 2025
08:43
Fused Filament Fabrication FFF of Metal-Ceramic Components
Published on: January 11, 2019
17.4K
High heat flux reduction to materials using current filaments
Trang Le1,2, Yasuhiro Suzuki3, Hiroki Hasegawa4,5
1Institute of Research and Development, Duy Tan University, Da Nang, 550000, Vietnam.
Scientific Reports
|May 23, 2023
Summary
Injecting current filaments into plasma flow can shield spacecraft by reducing damaging particle and heat fluxes to surfaces. This method redirects energy, offering a promising solution for satellite protection.
Area of Science:
- Spacecraft engineering
- Plasma physics
- Computational physics
Background:
- High electron and ion heat fluxes pose critical challenges for spacecraft shielding.
- External magnetic fields generated by current filaments offer a potential solution.
Purpose of the Study:
- To investigate the effects of injected current filaments on particle and heat fluxes in plasma.
- To evaluate the efficacy of current filaments for spacecraft shielding applications.
Main Methods:
- Utilized a 2D3V Particle-In-Cell (PIC) code to model plasma flow with and without current filaments.
- Simulated plasma entering from a source and being absorbed by a conductor wall.
- Compared particle density, particle flux, and heat flux distributions.
Main Results:
- Injected current filaments significantly altered the magnetic field structure.
- Peak particle and heat fluxes to the wall were reduced.
- Fluxes were observed to transfer along the wall surface.
Conclusions:
- Current filament injection is an effective method for reducing peak particle and heat fluxes.
- This technique shows promise for shielding satellites and spacecraft from high-energy fluxes.
