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Video Experimental Relacionado

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A Two-Step Method for Percutaneous Transhepatic Choledochoscopic Lithotomy
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El chasquido de los camarones hace que las burbujas parpadeen.

D Lohse1, B Schmitz, M Versluis

  • 1Faculty of Applied Physics and J. M. Burgers Research Centre for Fluid Dynamics, University of Twente, PO Box 217, 7500 AE Enschede, The Netherlands. lohse@tn.utwente.nl

Nature
|October 5, 2001
PubMed
Resumen
Este resumen es generado por máquina.

Los camarones emiten un destello de luz llamado shrimpoluminescencia debido al calor y la presión extremos durante el colapso de la burbuja de cavitación. Este descubrimiento revela un nuevo mecanismo de bioluminiscencia en los animales, similar a la sonoluminiscencia.

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Área de la Ciencia:

  • Biología Marina Biología Marina.
  • La biofísica es la biofísica.
  • La acústica es la acústica.

Sus antecedentes:

  • El chasquido de los camarones genera sonidos fuertes a través del colapso de la burbuja de cavitación.
  • Estos sonidos pueden interferir con la comunicación acústica bajo el agua.

Objetivo del estudio:

  • Para investigar los procesos físicos que ocurren durante el chasquido de camarones cavitación colapso de burbujas.
  • Para identificar la causa del sonido intenso producido por el chasquido de los camarones.

Principales métodos:

  • Estudio observacional del comportamiento de los camarones recolectores.
  • Imágenes de alta velocidad y grabación acústica del colapso de la burbuja de cavitación.
  • Análisis espectroscópico de la luz emitida.

Principales resultados:

  • Se observó un breve e intenso destello de luz (shrimpoluminescencia) durante el colapso de la burbuja.
  • La emisión de luz indica temperaturas internas extremas (al menos 5.000 K) y presiones.
  • Este fenómeno es análogo a la sonoluminiscencia.

Conclusiones:

  • Los camarones exhiben una forma previamente desconocida de producción de luz, llamada "shrimpoluminescencia".
  • Las condiciones extremas dentro de la burbuja en colapso explican la intensa emisión de sonido y luz.
  • Este hallazgo ofrece nuevos conocimientos sobre la bioacústica y la bioluminiscencia.