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Magnetohydrodynamic MHD Propulsion

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The Boat. The Channel. Metal Strips. Magnets. 1.5 cm. 17 cm. Why it ... Propel the craft without moving parts. Eliminate gas emissions. Conserve fossil fuels ... – PowerPoint PPT presentation

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Title: Magnetohydrodynamic MHD Propulsion


1
Magnetohydrodynamic (MHD) Propulsion
  • What is the best metal for speed?

Connor Bildfell, Don Cheney, Tamir Beged-Dov
2
What is it?
  • Propulsion system for water crafts
  • Uses magnetic field, salt water, electric
    current, and metal strips
  • Together, they take water from the ocean into a
    channel
  • The water is then charged and ejected out of the
    channel

3
Methods
4
The Boat
CHANNEL
11cm
20 cm
5
The Channel
17 cm
1.5 cm
Metal Strips
Magnets
6
Why it Works
  • Metal Strips
  • Salt Water
  • Electricity
  • Magnets
  • Right Hand Rule
  • F qv ? B

http//www.diracdelta.co.uk/science/source/f/l/fle
mings2520right2520hand2520rule
7
The Effect
Electric Current
Water enters channel
Water forced out of channel
Magnetic Force
8
Purpose and Significance
  • To move a craft silently
  • Propel the craft without moving parts
  • Eliminate gas emissions
  • Conserve fossil fuels
  • Reduce labor

9
Our Goals
  • Determine the best metal in terms of speed
  • Metals tested
  • Zinc
  • Tin
  • Copper
  • Aluminum

10
Conditions
  • In a tub, traveling 24 cm
  • Calm salt water
  • 650 grams of salt added to tap water
  • 20 volts run through metal strips
  • Lead wires were held to reduce drag

11
Data (sec)
Averages (sec)
12
T-Tests
13
Conclusions
  • Confirmed functionality
  • Practicality based on speed
  • Practicality based on corrosion
  • Environment?

Tin
Aluminum
Copper
Zinc
14
Next Steps
  • Test the corrosion limits and environmental
    ramifications of each metal
  • Test the effectiveness of various energy sources
    and determine which is most practical.
  • Alter designs to increase propulsion force.
  • Combine these to develop the best system for
    magnetohydrodynamic propelled vehicles.
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