GNGTS 2019 - Atti del 38° Convegno Nazionale

GNGTS 2019 S essione 1.3 205 To overcome this limitation a new code for supercritical water (Croucher et al. , 2008) extending the working range of the commercial version of TOUGH2 by using IAPWS97 formulation for water properties in the temperature and pressure range 0–1000 °C and 0–100 MPa, respectively. This code will provide a more realistic model to compare with the previous one. The code is currently compared to simulations performed by MUFITS code (Multiphase Filtration Transport Simulator). Devising multidisciplinary computational experiments enable us to learn how the hydrothermal system responds to unrest and which fingerprints it may leave in the geophysical signals. References Afanasyev, A.A. (2011). Mathematical model of nonisothermal multiphase binary mixture flow through a porous medium, Fluid Dynamics 46 (1), 80–89, doi: 10.1134/S0015462811010091. Afanasyev, A.A. (2012). Simulation of the properties of a binary carbon dioxide-water mixture under sub- and supercritical conditions. High Temperature 50 (3), 340-347, doi: 10.1134/S0018151X12030017. Afanasyev, A.A. (2013). Application of the reservoir simulator MUFITS for 3D modelling of CO2 storage in geological formation, Energy Procedia 40, 365-374, doi: 10.1016/j.egypro.2013.08.042. Afanasyev, A.A. (2013). Multiphase compositional modelling of CO2 injection under subcritical conditions: The impact of dissolution and phase transitions between liquid and gaseous CO2 on reservoir temperature, International Journal of Greenhouse Gas Control, doi: 10.1016/J.IJGGC.2013.01.042. Battaglia, M., Gottsmann, J., Carbone, D. and Fernández, J. (2008). 4D volcano gravimetry, Geophysics, 73, 6, doi: 10.1190/1.2977792. Bonforte A., Bonaccorso A., Guglielmino F., Palano M., Puglisi G. (2008). Feeding system and magma storage beneath Mt. Etna as revealed by recent inflation/deflation cycles. J. Geophys. Res. 469 113, B05406, doi:10.1029/2007JB005334. Chiodini, G., F. Frondini, B. Raco, (1996), Diffuse emission of CO2 from the Fossa crater, Vulcano Island (Italy), Bull Volcanol, 58, 41–50. Coco, A., Currenti, G., Gottsmann, J., Russo, G. and Del Negro, C. (2016) A hydro-geophysical simulator for fluid and mechanical processes in volcanic areas, Journal of Mathematics In Industry, 6, 6, doi: 10.1186/s13362-016- 0020-x.Comsol Multiphysics 4.3 (2012), Comsol Ab, 1356 pp, Stockholm, Sweden. Croucher,A. E., O’Sullivan, M. J., (2008),Application of the computer code TOUGH2 to the simulation of supercritical conditions in geothermal systems, Geothermics, 37, 622-634, https://doi.org/10.1016/j.geothermics.2008.03.005 Currenti, G. (2014) Numerical Evidences Enabling To Reconcile Gravity And Height Changes In Volcanic Areas. Geophysical Journal International. doi: 10.1093/Gji/Ggt507 Currenti G., Napoli R., Di Stefano A., Greco F., Del Negro C. (2011). 3D integrated geophysical modeling for the 2008 magma intrusion at Etna: constraints on rheology and dike overpressure. 497 Physics of the Earth and Planetary Interiors, 168, 88–96. Currenti, G., Del Negro C., Di Stefano, A., Napoli, R., (2009). Numerical simulation of stress induced piezomagnetic fields at Etna volcano. Geophys. J. Int., 179, 1469-1476, doi: 10.1111/j.1365-500 246X.2009.04381.x. Federico, C., Capasso, G., Paonita, A., Favara, R., 2010. Effects of steam-heating processes on a stratified volcanic aquifer: stable isotopes and dissolved gases in thermal waters of Vulcano Island (Aeolian archipelago). J. Volcanol. Geotherm. Res. 192, 178–190. http://dx.doi.org/10.1016/j.jvolgeores.2010.02.020. Granieri, D., M. L. Carapezza, G. Chiodini, R. Avino, S. Caliro, M. Ranaldi, T. Ricci, and L. Tarchini (2006), Correlated increase in CO2 fumarolic content and diffuse emission from La Fossa crater (Vulcano, Italy): Evidence of volcanic unrest or increasing gas release from a stationary deep magma body? Geophys. Res Lett., vol. 33, L13316, doi:10.1029/2006GL026460. Napoli, R., and Currenti, G. (2016), Reconstructing the Vulcano Island evolution from 3D modeling of magnetic signatures. Journal Of VolcanologyAnd Geothermal Research 320, 40 – 49, doi:10.1016/j.jvolgeores.2016.04.011. Napoli R, Currenti G, Del Negro C, Di Stefano A, Greco F, Boschi E (2011) Magnetic features of the magmatic intrusion that occurred in the 2007 eruption at Stromboli Island (Italy). Bull Volcanol 553 DOI 10.1007/s00445- 011-0473-0 Napoli, R., G. Currenti, C. Del Negro, F. Greco and D. Scandura, 2008. Volcanomagnetic evidence of the magmatic intrusion on 13th May 2008 Etna eruption, Geophys. Res. Lett., 35, L22301, 550 doi:10.1029/2008GL035350.