A new one‐equation model of fluid drag for irregularly shaped particles valid over a wide range of Reynolds number
F Dioguardi, D Mele, P Dellino - Journal of Geophysical …, 2018 - Wiley Online Library
A new drag law for irregularly shaped particles is presented here. Particles are described by
a shape factor that takes into account both sphericity and circularity, which can be measured …
a shape factor that takes into account both sphericity and circularity, which can be measured …
Physical characterization of explosive volcanic eruptions based on tephra deposits: propagation of uncertainties and sensitivity analysis
Regardless of the recent advances in geophysical monitoring and real-time quantitative
observations of explosive volcanic eruptions, the characterization of tephra deposits remains …
observations of explosive volcanic eruptions, the characterization of tephra deposits remains …
Unexpected hazards from tephra fallouts at Mt Etna: The 23 November 2013 lava fountain
D Andronico, S Scollo, A Cristaldi - Journal of Volcanology and Geothermal …, 2015 - Elsevier
Hundreds of paroxysmal episodes and a few long-lasting ash-emissions eruptions make Mt.
Etna, in Italy, one of the most productive basaltic volcanoes in the world over recent years …
Etna, in Italy, one of the most productive basaltic volcanoes in the world over recent years …
Ultra-distal tephra deposits from super-eruptions: examples from Toba, Indonesia and Taupo Volcanic Zone, New Zealand
Voluminous rhyolitic eruptions from Toba, Indonesia, and Taupo Volcanic Zone (TVZ), New
Zealand have dispersed volcanic ash over vast areas in the late Quaternary. The∼ 74 ka …
Zealand have dispersed volcanic ash over vast areas in the late Quaternary. The∼ 74 ka …
Eruption plumes extended more than 30 km in altitude in both phases of the Millennium eruption of Paektu (Changbaishan) volcano
Abstract The Millennium Eruption of Paektu volcano, on the border of China and North
Korea, generated tephra deposits that extend> 1000 km from the vent, making it one of the …
Korea, generated tephra deposits that extend> 1000 km from the vent, making it one of the …
FALL3D-8.0: a computational model for atmospheric transport and deposition of particles, aerosols and radionuclides–Part 2: Model validation
This paper presents model validation results for the latest version release of the FALL3D
atmospheric transport model. The code has been redesigned from scratch to incorporate …
atmospheric transport model. The code has been redesigned from scratch to incorporate …
Quantifying the uncertainty of a coupled plume and tephra dispersal model: PLUME‐MOM/HYSPLIT simulations applied to Andean volcanoes
Numerical modeling of tephra dispersal and deposition is essential for evaluation of volcanic
hazards. Many models consider reasonable physical approximations in order to reduce …
hazards. Many models consider reasonable physical approximations in order to reduce …
Modeling eruption source parameters by integrating field, ground‐based, and satellite‐based measurements: The case of the 23 February 2013 Etna Paroxysm
Volcanic plumes from Etna volcano (Italy) are governed by easterly winds driving ash over
the Ionian Sea. The limited land tephra deposit makes total grain‐size distribution (TGSD) …
the Ionian Sea. The limited land tephra deposit makes total grain‐size distribution (TGSD) …
Effects of eruption source parameter variation and meteorological dataset on tephra fallout hazard assessment: example from Vesuvius (Italy)
In this study, using the tephra dispersal model HAZMAP, we investigate the effect of using
different meteorological datasets and eruption source parameters on tephra fallout hazard …
different meteorological datasets and eruption source parameters on tephra fallout hazard …
A systematic investigation on the aerodynamics of ash particles
D Mele, P Dellino, R Sulpizio, G Braia - Journal of Volcanology and …, 2011 - Elsevier
A systematic analysis of the physical parameters that influence the aerodynamics of ash, ie
the attitude of a particle to be transported and/or settled throughout a fluid, is presented. We …
the attitude of a particle to be transported and/or settled throughout a fluid, is presented. We …