Heat Switch

  • A New  switching technology to turn ON or OFF using Heat.

  • There are different types of switches like

  • Mechanical-to lock or unlock doors, or to select gears in a car’s transmission system.

  • Electrical -turn on and off the lights in a room.

  • Transistors-Turn electronic devices on and off

  • Heat flows from lower to higher temperature.

  • To control heat, specific heat flow path has been engineered.

  • This Technique is based on the motion of a liquid metal droplet.

 Switch:

  • One side- Heat Source representing the power electronics component.

  • Other side- liquid cooling for heat removal.

  • Switch was on, they were able to extract heat at more than 10 W/cm2.

  • Switch was off, the heat flow dropped by nearly 100X.

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