Analytical solutions and virtual origin corrections for forced, pure and lazy turbulent plumes based on a universal entrainment function
F Ciriello, GR Hunt - Journal of Fluid Mechanics, 2020 - cambridge.org
Previous measurements and numerical simulations of buoyant turbulent plumes that
develop from area sources provide convincing evidence that entrainment varies locally in …
develop from area sources provide convincing evidence that entrainment varies locally in …
Experimental investigation into turbulent negatively buoyant jets using combined PIV and PLIF measurements
Turbulent negatively buoyant jets occur when the buoyancy of a jet opposes its source
momentum. In these flows, the fluid will rise until it reaches a stagnation point and a return …
momentum. In these flows, the fluid will rise until it reaches a stagnation point and a return …
Probabilistic volcanic hazard assessment for pyroclastic density currents from pumice cone eruptions at Aluto volcano, Ethiopia
Aluto volcano, in the Main Ethiopian Rift, is a peralkaline caldera system, which comprises
conglomerations of rhyolite (obsidian) lavas and enigmatic pumice cones. Recent work at …
conglomerations of rhyolite (obsidian) lavas and enigmatic pumice cones. Recent work at …
Wind entrainment in jets with reversing buoyancy: Implications for volcanic plumes
A Michaud‐Dubuy, G Carazzo… - Journal of Geophysical …, 2020 - Wiley Online Library
Explosive volcanic eruptions commonly undergo a transition from stable plume to collapsing
fountain with associated destructive pyroclastic density currents. A major goal in physical …
fountain with associated destructive pyroclastic density currents. A major goal in physical …
A comparison of entrainment in turbulent line plumes adjacent to and distant from a vertical wall
DA Parker, HC Burridge, JL Partridge… - Journal of Fluid …, 2020 - cambridge.org
We present simultaneous two-dimensional measurements of the velocity and buoyancy
fields on a central vertical plane in two-dimensional line plumes: a free plume distant from …
fields on a central vertical plane in two-dimensional line plumes: a free plume distant from …
Numerical investigation of starting turbulent buoyant plumes released in neutral atmosphere
K Bhaganagar, SR Bhimireddy - Journal of Fluid Mechanics, 2020 - cambridge.org
A fundamental study has been conducted to understand the mean and turbulence
characteristics and their role in mixing processes of starting turbulent plumes initiated by a …
characteristics and their role in mixing processes of starting turbulent plumes initiated by a …
Volcaniclastic dispersal during submarine lava effusion: the 2012 eruption of Havre Volcano, Kermadec Arc, New Zealand
Understanding clast dispersal from subaqueous volcanism is hampered by uncertainty in
the source and extent of seafloor deposits. Extensive sampling in situ of seafloor deposits …
the source and extent of seafloor deposits. Extensive sampling in situ of seafloor deposits …
Revisiting mean flow and mixing properties of negatively round buoyant jets using the escaping mass approach (EMA)
AA Bloutsos, PC Yannopoulos - Fluids, 2020 - mdpi.com
The flow formed by the discharge of inclined turbulent negatively round buoyant jets is
common in environmental flow phenomena, especially in the case of brine disposal. The …
common in environmental flow phenomena, especially in the case of brine disposal. The …
The use of a numerical weather prediction model to simulate near-field volcanic plumes
In this paper, a state-of the art numerical weather prediction (NWP) model is used to
simulate the near-field plume of a Plinian-type volcanic eruption. The NWP model is run at …
simulate the near-field plume of a Plinian-type volcanic eruption. The NWP model is run at …
Control of vent geometry on the fluid dynamics of volcanic plumes: Insights from numerical simulations
YJ Suzuki, A Costa, T Koyaguchi - Geophysical Research …, 2020 - Wiley Online Library
We present three‐dimensional numerical simulations of eruption clouds from circular to
linear fissure vents to investigate the control of vent shape on the height and stability of …
linear fissure vents to investigate the control of vent shape on the height and stability of …