Science and Technology

Why Ash from Volcanoes is a Problem for Aircraft

Grimsvotn  Volcano, Iceland from Terra satellite May22, 2011

In 2010 and 2011 plumes of ash from Icelandic volcaneos caused flight cancellations across Europe. The ash is damaging and a safety issue for high flying jet aircraft.

It raises the question: why if the dust is so fine is it a problem to aircraft? There are two principal reasons: it is very abrasive and it melts.

Dust is Very Fine but the Particles are Highly Abrasive 

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