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Into how many pieces does a balloon burst?

Date:
November 2, 2015
Source:
CNRS (Délégation Paris Michel-Ange)
Summary:
A moderately inflated rubber balloon pricked with a needle bursts into two large fragments. However, if you inflate it until it bursts spontaneously, you get dozens of shreds, new research shows.
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A moderately inflated rubber balloon pricked with a needle bursts into two large fragments. However, if you inflate it until it bursts spontaneously, you get dozens of shreds.

Now, Sébastien Moulinet and Mokhtar Adda-Bedia at the Laboratoire de Physique Statistique (CNRS/UPMC/ENS/Université Paris Diderot) have explained this phenomenon: when a crack propagating across the surface of a balloon reaches a critical speed, it becomes unstable and splits into two new cracks.

It is this mechanism of proliferating cracks that causes the balloon to burst into shreds. The work, published in Physical Review Letters, sheds light on the fragmentation processes in materials subjected to impacts or explosions.

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Materials provided by CNRS (Délégation Paris Michel-Ange). Note: Content may be edited for style and length.

Journal Reference:

  1. Sébastien Moulinet, Mokhtar Adda-Bedia. Popping Balloons: A Case Study of Dynamical Fragmentation. Physical Review Letters, 2015; 115 (18) DOI: 10.1103/PhysRevLett.115.184301

Cite This Page:

CNRS (Délégation Paris Michel-Ange). "Into how many pieces does a balloon burst?." ScienceDaily. ScienceDaily, 2 November 2015. <www.sciencedaily.com/releases/2015/11/151102083552.htm>.
CNRS (Délégation Paris Michel-Ange). (2015, November 2). Into how many pieces does a balloon burst?. ScienceDaily. Retrieved September 28, 2023 from www.sciencedaily.com/releases/2015/11/151102083552.htm
CNRS (Délégation Paris Michel-Ange). "Into how many pieces does a balloon burst?." ScienceDaily. www.sciencedaily.com/releases/2015/11/151102083552.htm (accessed September 28, 2023).

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