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Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel
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Low-temperature linear thermal rectifiers based on Coriolis forces.

Suwun Suwunnarat1, Huanan Li1, Ragnar Fleischmann2

  • 1Department of Physics, Wesleyan University, Middletown, Connecticut 06459, USA.

Physical Review. E
|May 14, 2016
PubMed
Summary
This summary is machine-generated.

A rotating platform creates a Coriolis force in a harmonic chain, enabling controllable thermal rectification. This allows for reconfigurable heat flow direction in a three-terminal system.

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Area of Science:

  • Condensed matter physics
  • Thermodynamics
  • Non-equilibrium statistical mechanics

Background:

  • Thermal rectification is crucial for heat management in nanoscale devices.
  • Controlling heat flow direction dynamically remains a significant challenge.
  • Existing methods often lack reconfigurability or require complex fabrication.

Purpose of the Study:

  • To demonstrate a novel method for achieving reconfigurable thermal rectification.
  • To explore the role of Coriolis force in thermal transport.
  • To utilize a simple harmonic chain and triangular lattice for proof-of-principle.

Main Methods:

  • Simulating a three-terminal harmonic symmetric chain subjected to Coriolis force.
  • Implementing the Coriolis force via a rotating platform.
  • Analyzing heat flow direction and magnitude by varying angular velocity (Ω).

Main Results:

  • The system exhibits tunable thermal rectification.
  • The direction of heat flow is reconfigurable and controlled by the platform's angular velocity.
  • A simple triangular lattice effectively demonstrates the proposed principle.

Conclusions:

  • Coriolis force provides an effective mechanism for dynamic control of thermal rectification.
  • The proposed method offers a reconfigurable approach to thermal management.
  • This work opens avenues for designing active thermal devices.