2.03 Dipartimento di Ingegneria e scienze applicate

Nel Dipartimento di Ingegneria e scienze applicate, costituito da oltre 40 docenti, si concentra la maggior parte delle attività scientifico-tecnologiche dell'Università di Bergamo. Le aree scientifiche che lo compongono comprendono infatti diversi settori nell'ambito dell'Ingegneria industriale (Energetica, Fluidodinamica, Fisica tecnica, Meccanica applicata alle macchine e meccatronica, Elettronica, Elettrotecnica e Materiali per l'Ingegneria), dell'Ingegneria edile (Topografia, Scienza e tecnica delle costruzioni, Produzione edilizia, Composizione architettonica, Disegno, Restauro, Urbanistica e tecnica e pianificazione urbanistica) e delle Scienze chimiche e fisiche.

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DIPSI Workshop Series
Droplet Impact Phenomena & Spray Investigations

Pubblicazioni monografiche del Dipartimento di Ingegneria e scienze applicate

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Recent advances in droplet modelling using the Full Lagrangian Approach

Sprays are wide-spread in daily life, examples include aerosols generated when coughing, sprays used for cooling or surface coating. The Full Lagrangian Approach (FLA) is known for its advantages in application to particle-laden flows. This approach makes it possible to capture detailed structures in the particulate clouds, including where particle trajectories cross and particles collect in narrow regions. It has proven to be an efficient approach for dilute mixtures and recently it was appl...

An Experimental Setup for Impingement of Liquid Gallium

This study builds upon previous research [2]-[4] to investigate the spreading dynamics of liquid gallium, a metal of growing interest due to its unique properties. To enable these experiments, a specialized system was designed and constructed. The setup features a glovebox filled with heated inert argon gas, maintaining an oxygen-free environment, and includes a heating mechanism to raise the gallium to the desired temperature. The system is equipped with high-speed imaging capabilities to ca...

Transcritical sprays: Towards drop sizing by polarized Mie scattering with structured illumination

This work describes the application of planar structured laser illumination to near-critical jets. The latter exhibit a complex interplay between compressible fluid dynamics and non-equilibrium phase transitions, which occur on a very small temporal and spatial scale. These features pose several constraints on the application of structured laser illumination. In this work, we present our optical design, aimed at enabling droplet sizing by polarised Mie.

A structure preserving discretization of a unified HTC multiphase model of continuum mechanics

I will present a new structure preserving scheme to mimic at the discrete level some mathematical properties of the multiphase diffuse-interface model that we have recently formulated in the framework of Thermodynamically Compatible Hyperbolic equations, see [1]. The thermodynamic compatibility at the discrete level is achieved through the numerical flux correction recently introduced by Abgrall et al. The consistency with the second law of thermodynamics is satisfied through an appropriate t...

Measurement of interfacial stress from interface curvature

The aim of this work is to illustrate some case studies where, once the curvature is experimentally measured by means of image processing and the hydrostatic pressure is known, the remaining forces, if present, can be determined by equilibrium unbalance and compared with theoretical models.

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