Multiphase flow behaviour and hazard prediction of pyroclastic density currents

G Lube, ECP Breard, T Esposti-Ongaro… - Nature Reviews Earth & …, 2020 - nature.com
Pyroclastic density currents (PDCs) are dangerous multiphase flows originating from
volcanic eruptions. PDCs cause more than a third of volcanic fatalities globally and …

Pyroclastic density currents: state of the art and perspectives

R Sulpizio, P Dellino, DM Doronzo… - Journal of Volcanology and …, 2014 - Elsevier
Pyroclastic density currents (PDCs) are mixtures of two components, namely solid particles
and fluid (gas) phase. They macroscopically behave as dense, multiphase gravity currents …

Fast and destructive density currents created by ocean-entering volcanic eruptions

MA Clare, IA Yeo, S Watson, R Wysoczanski… - Science, 2023 - science.org
Volcanic eruptions on land create hot and fast pyroclastic density currents, triggering
tsunamis or surges that travel over water where they reach the ocean. However, no field …

The Merapi 2010 eruption: An interdisciplinary impact assessment methodology for studying pyroclastic density current dynamics

S Jenkins, JC Komorowski, PJ Baxter, R Spence… - Journal of Volcanology …, 2013 - Elsevier
The large explosive eruption of Merapi volcano, Indonesia, in 2010 presented a key, and
rare, opportunity to study the impacts of a major explosive eruption in a densely populated …

The fluid mechanics of pyroclastic density currents

J Dufek - Annual Review of Fluid Mechanics, 2016 - annualreviews.org
Pyroclastic density currents are generated in explosive volcanic eruptions when gas and
particle mixtures remain denser than the surrounding atmosphere. These mobile currents …

[HTML][HTML] Slow-moving and far-travelled dense pyroclastic flows during the Peach Spring super-eruption

O Roche, DC Buesch, GA Valentine - Nature Communications, 2016 - nature.com
Explosive volcanic super-eruptions of several hundred cubic kilometres or more generate
long run-out pyroclastic density currents the dynamics of which are poorly understood and …

Inside pyroclastic density currents–uncovering the enigmatic flow structure and transport behaviour in large-scale experiments

ECP Breard, G Lube - Earth and Planetary Science Letters, 2017 - Elsevier
Pyroclastic density currents (PDCs) are the most lethal threat from volcanoes. While there
are two main types of PDCs (fully turbulent, fully dilute pyroclastic surges and more …

A review of laboratory and numerical modelling in volcanology

JL Kavanagh, SL Engwell, SA Martin - Solid Earth, 2018 - se.copernicus.org
Modelling has been used in the study of volcanic systems for more than 100 years, building
upon the approach first applied by Sir James Hall in 1815. Informed by observations of …

Destructiveness of pyroclastic surges controlled by turbulent fluctuations

E Brosch, G Lube, M Cerminara… - Nature …, 2021 - nature.com
Pyroclastic surges are lethal hazards from volcanoes that exhibit enormous destructiveness
through dynamic pressures of 100–102 kPa inside flows capable of obliterating reinforced …

Physical properties of pyroclastic density currents: relevance, challenges and future directions

TJ Jones, F Beckett, B Bernard, ECP Breard… - Frontiers in Earth …, 2023 - frontiersin.org
Pyroclastic density currents (PDCs) are hazardous and destructive phenomena that pose a
significant threat to communities living in the proximity of active volcanoes. PDCs are ground …