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Área de la Ciencia:

  • Física Física es la física de las cosas.
  • Ingeniería Eléctrica Ingeniería Eléctrica.
  • La dinámica no lineal es la dinámica no lineal.

Sus antecedentes:

  • La recolección de energía térmica ofrece una fuente de energía sostenible.
  • Los circuitos electrónicos con diodos y condensadores pueden rectificar las fluctuaciones térmicas.
  • Estudios analíticos previos sentaron las bases para investigaciones numéricas.

Objetivo del estudio:

  • Para evaluar numéricamente las capacidades de recolección de energía térmica de dos circuitos electrónicos distintos.
  • Para investigar la influencia de la temperatura, la capacidad y la calidad del diodo en la recolección de energía.
  • Para explorar la acumulación de carga en estado estacionario en circuitos con gradientes de temperatura.

Principales métodos:

  • Solución numérica de la ecuación de Fokker-Planck dependiente del tiempo para un circuito diodo-capacitor.
  • Solución numérica de la ecuación de Fokker-Planck independiente del tiempo para un circuito de dos bucles con diodos.
  • Análisis comparativo de circuitos con diodos frente a aquellos con resistencias.

Principales resultados:

  • Un circuito de diodo-capacitor en serie muestra una carga transitoria, con una carga máxima que aumenta con la temperatura, la capacidad y la calidad del diodo.
  • Un circuito de dos bucles con diodos a diferentes temperaturas acumula cargas de estado estacionario opuestas y distintas de cero en los condensadores de almacenamiento.
  • Los circuitos que emplean resistencias en lugar de diodos no exhiben acumulación de carga transitoria o de estado estacionario.

Conclusiones:

  • Los circuitos electrónicos que utilizan diodos pueden recolectar energía térmica, lo que demuestra la acumulación de carga en condiciones específicas.
  • La carga de estado estacionario observada en el circuito de dos bucles pone de relieve el potencial para el flujo de energía dirigida utilizando gradientes de temperatura.
  • Los diodos son cruciales para rectificar el ruido térmico en carga utilizable, a diferencia de las resistencias pasivas.