Roberto Meloni
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View article: Modulation of the Thickened Flame Model Into Eddy Dissipation Concept for Multi-Regime Combustion Modelling
Modulation of the Thickened Flame Model Into Eddy Dissipation Concept for Multi-Regime Combustion Modelling Open
The modelling of multi-regime turbulent flames is a challenging topic, especially when dealing with industrial burner designs under modern gas turbine conditions. Unfortunately, neither the reduced order combustion models (relying on the t…
View article: Numerical investigation of the NOX emissions of a perfectly premixed NH3-H2 flame at moderate pressure levels
Numerical investigation of the NOX emissions of a perfectly premixed NH3-H2 flame at moderate pressure levels Open
Blends of green hydrogen-ammonia for Gas Turbines (GT) are gaining more and more interest, as their carbon neutrality can abate CO2 emissions. Such fuel mixture could be particularly effective since the low reactivity of ammonia can compen…
View article: Perspectives on NO<sub><i>X</i></sub> Emissions and Impacts from Ammonia Combustion Processes
Perspectives on NO<sub><i>X</i></sub> Emissions and Impacts from Ammonia Combustion Processes Open
Climate change and global warming necessitate the shift toward low-emission, carbon-free fuels. Although hydrogen boasts zero carbon content and high performance, its utilization is impeded by the complexities and costs involved in liquefa…
View article: Study of Combustor–Turbine Interactions by Performing Coupled and Decoupled Hybrid RANS-LES Simulations under Representative Engine-like Conditions
Study of Combustor–Turbine Interactions by Performing Coupled and Decoupled Hybrid RANS-LES Simulations under Representative Engine-like Conditions Open
Combustion–turbine interaction phenomena are attracting ever-growing interest in recent years. As a matter of fact, the strong unsteady and three-dimensional flow field that characterizes the combustor is usually conserved up to the first-…
View article: Experimental characterization of an industrial burner operated with simulated EGR
Experimental characterization of an industrial burner operated with simulated EGR Open
This work presents the results of an experimental campaign investigating the behavior of an industrial burner operated with simulated Exhaust Gas Recirculation (EGR). EGR is recreated by diluting standard air with CO2, and tests are perfor…
View article: Numerical Study of Combustor-Turbine Interaction by Using Hybrid RANS-LES Approach
Numerical Study of Combustor-Turbine Interaction by Using Hybrid RANS-LES Approach Open
The complex flow field of gas turbine lean combustors is meant to reduce NOx emissions and maintain a stable flame by controlling the local temperature and promoting high turbulent mixing. Still, this may produce large flow and temperature…
View article: Thermodynamic and structural effect of urea and guanidine chloride on the helical and on a hairpin fragment of GB1 from molecular simulations
Thermodynamic and structural effect of urea and guanidine chloride on the helical and on a hairpin fragment of GB1 from molecular simulations Open
With the help of molecular‐dynamics simulations, we studied the effect of urea and guanidine chloride on the thermodynamic and structural properties of the helical fragment of protein GB1, comparing them with those of its second beta hairp…
View article: COMPUTATIONAL AND THEORETICAL STUDIES OF THE CONFORMATIONAL PROPERTIES OF PEPTIDES IN THEIR DENATURED STATE
COMPUTATIONAL AND THEORETICAL STUDIES OF THE CONFORMATIONAL PROPERTIES OF PEPTIDES IN THEIR DENATURED STATE Open
The experimental characterization of the denatured state of proteins is still an open question, despite the heavy effort made in the last four decades to investigate it. The biologically-relevant disordered phase, in water, is not experime…
View article: Properties of low-dimensional collective variables in the molecular dynamics of biopolymers
Properties of low-dimensional collective variables in the molecular dynamics of biopolymers Open
The description of the dynamics of a complex, high-dimensional system in terms of a low-dimensional set of collective variables Y can be fruitful if the low-dimensional representation satisfies a Langevin equation with drift and diffusion …