USF-NRECProject-1-Jacobs-ladder

Metrology Engineer Jay Bieber at the University of South Florida-NREC (Nanotechnology Research & Education Center) assigned project #1 Jacobs ladder

Prototype 1-

• 2 pieces of 10'" (1/2 a cm) copper wire, oil igniter (6Kv; 100 mA power supply), a power cord, and a switch.

• Used pliers to turn copper wire around positive and negative terminal of the oil igniter cut tip of power cord and peeled back rubber protective coating,

• used wire stripper to strip positive & negative wires spliced power cord wires to positive and negative wires of oil igniter plugged in device to power strip.

• listened for buzzing noise. unplugged from the power strip. adjusted copper wires 1 centimeter at base to 2 centimeters at top of ladder.

• added a switch;

• unspliced power cord wires from positive and negative wires of power supply;

• Splice positive and negative wires to positive & negative wires of switch;

• spliced positive and negative wires at other side of switch to positive and negative wires of terminal;

• plugged power cord into power strip hopefully with the switch in the closed position.

• Flipped switch to open position, observed space between copper wires for ionized air/plasma between copper wires.

• Observed density differential caused by the heat of the plasma;

• creating an upward movement of the plasma between the copper wires until reaching the apex or top of the ladder.

• Then the dissolution of the plasma at the top of the device and the formation of a new plasma at the bottom of the copper wires where the copper wires are closest.

Prototype 2 Copper Wire Protection.

Used brackets to fasten 2 plywood boards together at a 90-degree angle to protect individuals from the ionized air/plasma between the copper wires and fastened power supply to the bottom board.

Prototype 3 Created Jacobs ladder

For NREC demonstrations from an oil igniter, powercord, Cell phone stand and plexi-glass, worked with machine shop to cut spacings for cell phone holder allowing plexiglass to fit into cell phone stand to protect users from ionized air/plasma generated from the 6000v 100mA power supply.

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