Designing a Futuristic Magnetic Turbine (MHD drive)
Plasma Channel・2 minutes read
MHD thrust technology is a simple and efficient alternative to traditional propellers for marine transportation, utilizing electrodes, magnets, salt water, and electricity. The evolution from unidimensional to three-dimensional BRM thruster design has addressed initial issues, resulting in improved efficiency and repairability, with potential for increased marine propulsion.
Insights
- MHD thrusters use no moving parts and are made with simple components like electrodes, magnets, saltwater, and electricity, offering a quiet and eco-friendly alternative for marine transportation.
- The evolution from unidimensional to three-dimensional BRM thruster designs addressed initial issues of magnet conductivity, magnetic field inefficiency, and electrode corrosion, culminating in a highly efficient and repairable propulsion system with significant velocity improvements.
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Recent questions
What is MHD thrust?
A method using no moving parts for propulsion.
What were the issues with the initial MHD thruster design?
Problems with magnets conducting electricity underwater and inefficient magnetic fields.
How did the three-dimensional BRM thruster design address the initial issues?
Utilized stronger neodymium magnets, stainless steel electrodes, and a radial design for improved efficiency.
How was the assembly process of the BRM thruster described?
Simple assembly with inner and outer electrodes sliding into place easily.
What were the results of testing the BRM thruster?
Showed increasing velocity with higher voltage, reaching an average output of 47 cm/s at 25 volts.
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Summary
00:00
Efficient MHD Thruster Design for Marine Propulsion
- MHD drives or Magneto hydrodynamic thrust use no moving parts and are easy to produce with two electrodes, a magnet, salt water, and electricity.
- The text discusses the evolution from unidimensional to two-dimensional and finally to a three-dimensional BRM thruster design.
- MHD thrust can be used for marine transportation as a quieter alternative to traditional propellers, reducing noise pollution.
- The initial MHD thruster design had issues with magnets conducting electricity underwater, inefficient magnetic fields, and corroded electrodes.
- The three-dimensional BRM thruster design addressed these issues with stronger neodymium magnets, stainless steel electrodes, and a radial design for improved efficiency and repairability.
- The assembly of the BRM thruster was simple, with the inner and outer electrodes sliding into place easily.
- Testing the BRM thruster showed increasing velocity with higher voltage, reaching an average output of 37 cm/s at 25 volts.
- The final redesign of the BRM thruster included hydrodynamic improvements, resulting in an average velocity of 47 cm/s at 25 volts, showcasing its potential for marine propulsion.
