Gas–particle dynamics in high-speed flows

J Capecelatro, JL Wagner - Annual Review of Fluid Mechanics, 2024 - annualreviews.org
High-speed disperse multiphase flows are present in numerous environmental and
engineering applications with complex interactions between turbulence, shock waves, and …

Classification of ignimbrites and their eruptions

G Giordano, RAF Cas - Earth-Science Reviews, 2021 - Elsevier
The term “ignimbrite” probably encompasses the one of the largest ranges of deposit types
on Earth, associated with the partial to total collapse of explosive eruption columns feeding …

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 …

First source-to-sink monitoring shows dense head controls sediment flux and runout in turbidity currents

EL Pope, MJB Cartigny, MA Clare, PJ Talling… - Science …, 2022 - science.org
Until recently, despite being one of the most important sediment transport phenomena on
Earth, few direct measurements of turbidity currents existed. Consequently, their structure …

The fragmentation-induced fluidisation of pyroclastic density currents

ECP Breard, J Dufek, S Charbonnier… - Nature …, 2023 - nature.com
Pyroclastic density currents (PDCs) are the most lethal volcanic process on Earth.
Forecasting their inundation area is essential to mitigate their risk, but existing models are …

[HTML][HTML] Self-supervised learning-based two-phase flow regime identification using ultrasonic sensors in an S-shape riser

B Kuang, SG Nnabuife, JF Whidborne, S Sun… - Expert Systems with …, 2024 - Elsevier
Two-phase flow regime identification is an essential transdisciplinary topic that spans digital
signal processing, artificial intelligence, chemical engineering, and energy. Multiphase flow …

Modeling high-speed gas–particle flows relevant to spacecraft landings

J Capecelatro - International Journal of Multiphase Flow, 2022 - Elsevier
The interactions between rocket exhaust plumes and the surface of extraterrestrial bodies
during spacecraft landings involve complex multiphase flow dynamics that pose significant …

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 …

Submarine terraced deposits linked to periodic collapse of caldera-forming eruption columns

JT Gilchrist, AM Jellinek, EEE Hooft, S Wanket - Nature Geoscience, 2023 - nature.com
Catastrophic, caldera-forming explosive eruptions generate hazardous ash fall, pyroclastic
density currents and, in some cases, tsunamis, yet their dynamics are still poorly understood …