Dr Fabio Dioguardi

Dr Fabio Dioguardi

Volcanologist

Location: Edinburgh

Tel: 0131 6500 407

E-mail Dr Fabio Dioguardi

Biography

  •  2009 –2012 : University of Bari, Bari (Italy) Ph.D. - Doctor Europaeus in Earth Sciences Dissertation: "Explosive volcanic eruptions: from fragmentation to eruption columns. An integrated modellistic-experimental approach"
  •  2005 –2008 : University of Bari, Bari (Italy) Master Degree in Geology
  •  2001 –2005 : University of Bari, Bari (Italy) Bachelor Degree in Geology

Current projects and collaboration

  • FUTUREVOLC: Long-term monitoring experiment in geologically active regions of Europe prone to natural hazards: the Supersite concept

Skills

  • Interpretation of pyroclastic flows deposits
  • Numerical simulations of multiphase flows
  • Sedimentology of dilute pyroclastic density currents
  • Sediments characterization techniques (grainsize analysis via manual sieving and optical methods, BET analysis, Micro Tomography (basic knowledge), Image Particle Analysis (basic knowledge))

Professional association

  •  2015 – ongoing : IAVCEI: International Association of Volcanology and Chemistry of the Earth's Interior
  •  2012 – ongoing : AIV - Associazione Italiana di Vulcanologia (Italian Association of Volcanology)

Research interests

  • Aerodynamics of volcanic ash and lapilli particles
  • Eruptive column physics
  • Explosive volcanic eruptions
  • Multiphase flows (modelling and experiments)
  • Pyroclastic flows physics and interpretation of their deposits
  • Textural analysis of volcanic ash and lapilli particles

Software

  • Computational Fluid Dynamics: MFIX (Multiphase Flow with Interphase eXchange), Ansys Fluent, OpenFoam (basics)
  • Data analysis: Kaleidagraph, Grapher
  • Fortran 77 and 90
  • Mesh generation for Computational Fluid Dynamics: Pointwise, Ansys Meshing
  • Microsoft Office
  • Simulation post-processing software: Paraview, VisIt
  • Wolfram Mathematica

Boards and committees

  • – ongoing Reviewer for Powder Technology (Elsevier)

Experience

  •  2013 –2014 : Politecnico di Bari, Bari (Italy) Research fellowship (1 year): "Numerical simulations for the design of an open-type wind-tunnel for the study of the re-entrainment and transport of solid particles of non-spherical shape by winds"
  •  2013 –2013 : University of Bari, Bari (Italy) Post-doc fellowship (1 year): "hazard assessment of pyroclastic flows at Campi Flegrei and Vesuvius, Italy"

Published outputs

  • Mele, D., Dioguardi, F., Dellino, P., Isaia, R., Sulpizio, R., Braia, G. (2015): The impact parameters of dilute pyroclastic density currents at Campi Flegrei (Italy). J. Volcanol. Geotherm. Res., 299, 35-53, doi:10.1016/j.jvolgeores.2015.04.002
  • Doronzo, D. M., Khalaf, E. A., Dellino, P., de Tullio, M. D., Dioguardi, F., Gurioli, L., Pascazio, G., Sulpizio, R. (2014): On dust storms past a building in the suburbs of dry metropolis. Arab. J. Geosci., doi:10.1007/s12517-014-1730-2
  • Dioguardi, F., Dellino, P., Mele, D. (2014): Integration of a new shape-dependent particle-fluid drag coefficient law in the multiphase Eulerian-Lagrangian code MFIX-DEM. Powder Technology, 260, 68-77, doi:10.1016/j.powtec.2014.03.071
  • Dioguardi, F., Dellino, P., de Lorenzo, S. (2013): Integration of large-scale experiments and numerical simulations for the calibration of friction laws in volcanic conduit flows. Journal of Volcanology and Geothermal Research, 250, 75-90, doi:10.1016/j.jvolgeores.2012.09.011

Key papers

Dioguardi, F., Mele D. (2015): A new shape dependent drag correlation formula for non-spherical rough particles. Experiments and results. Powder Technology, 277, 222-230, doi:10.1016/j.powtec.2015.02.062

Dioguardi, F., Dellino, P. (2014): PYFLOW: A computer code for the calculation of the impact parameters of Dilute Pyroclastic Density Currents (DPDC) based on field data. Computer and Geosciences, 66, 200-210, doi:10.1016/j.cageo.2014.01.013

Dellino, P., Dioguardi, F., Mele, D., D’Addabbo, M., Zimanowski, B., Büttner, R., Doronzo, D.M., Sonder, I., Sulpizio, R., Dürig, T., La Volpe, L. (2014): Volcanic jets, plumes and collapsing fountains: evidence from large-scale experiments, with particular emphasis on the entrainment rate. Bulletin of Volcanology, 76, 834, doi:10.1007/s00445-014-0834-6

Dürig, T., Dioguardi, F., Büttner, R., Dellino, P., Mele, D., Zimanowski, B. (2012): A new method for the determination of the specific kinetic energy (SKE) released to pyroclastic particles at magmatic fragmentation: theory and first experimental results. Bulletin of Volcanology, 74, 895-902, doi:10.1007/s00445-011-0574-9

Dellino, P., Dioguardi, F., Zimanowski, B., Büttner, R., Mele, D., La Volpe, L., Sulpizio, R., Doronzo, D. M., Sonder, I., Bonasia, R., Calvari, S., Marotta, E. (2010): Conduit flow experiments help constraining the regime of explosive eruptions. Journal of Geophysical Research, 115, B04204, doi:10.1029/2009JB006781

Dellino, P., Büttner, R., Dioguardi, F., Doronzo, D. M., La Volpe, L., Mele, D., Sonder, I., Sulpizio, R., Zimanowski, B. (2010): Experimental evidence links volcanic particle characteristics to pyroclastic flow hazard. Earth and Planetary Science Letters, 295, 314-320, doi:10.1016/j.epsl.2010.04.022

Research partners
  • Physikalisch Vulkanologisches Labor, University of Würzburg (Germany): Prof. Bernd Zimanowski, Prof. Ralf Büttner
  • University of Bari (Italy): Prof. Pierfrancesco Dellino, Prof. Roberto Sulpizio, Dr. Daniela Mele
  • University of Iceland: Prof. Magnus Tumi Gudmundsson, Dr. Tobias Dürig