Cómo funciona un refrigerador

  • ¿Qué hay en el interior?

    Si hace clic en el asa de apertura del refrigerador o el botón de avance, el refrigerador se abrirá y podrá ver lo que hay en su interior: 
     
    1. El “corazón” del refrigerador: el compresor, que funciona como una bomba, no sólo controla la circulación del refrigerante sino que aporta presión al circuito, dando lugar al calentamiento de dicho fluido.
    Es algo similar a lo que sucede al comprimir el aire o bombearlo para inflar la cámara de la rueda de una bicicleta. El ciclista puede apreciar cómo se acumula calor en la bomba a medida que bombea y el aire se comprime.  
     
    2. El condensador está situado en la parte trasera del refrigerador (la mayor parte de las veces, no puede decirse que esté limpio). El refrigerante se enfría y, al hacerlo, se condensa; es decir, se vuelve líquido. 
    Sucede lo mismo con la humedad del aire al condensarse sobre una superficie fría. 
     
    3. El evaporador, situado dentro del refrigerador, es el componente que mantiene fríos los artículos guardados en él. 
    Su funcionamiento se asemeja al modo en que una gota de alcohol, éter u otro líquido volátil se evapora de la mano. Es posible apreciar el frío al que da lugar la evaporación, ya que la mano se enfría ligeramente.  
     
    4. El termostato controla la temperatura (y, por tanto, el proceso de refrigeración) mediante la activación y desactivación del compresor. Cuando el sensor (4a) detecta que la temperatura es lo suficientemente baja, desactiva el compresor; al detectar calor de nuevo, activa el compresor.
     
    Vuelva a hacer clic en el botón de reproducción para ver el proceso en funcionamiento.

     

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