Insights into the turbulent flow of dense gases through high-fidelity simulations

P Cinnella, X Gloerfelt - Computers & Fluids, 2023 - Elsevier
This article reviews recent advances in the understanding of turbulent flows of non-ideal
gases through the use of high-fidelity direct and large eddy simulations. In particular, the …

Nonideal Compressible Fluid Dynamics of Dense Vapors and Supercritical Fluids

A Guardone, P Colonna, M Pini… - Annual Review of Fluid …, 2024 - annualreviews.org
The gas dynamics of single-phase nonreacting fluids whose thermodynamic states are close
to vapor-liquid saturation, close to the vapor-liquid critical point, or in supercritical conditions …

Real-gas effects in organic Rankine cycle turbine nozzles

P Colonna, J Harinck, S Rebay… - Journal of Propulsion and …, 2008 - arc.aiaa.org
ORGANIC Rankine cycle (ORC) turbogenerators are a viable option as stationary energy
converters for external heat sources, in the low power range (from a few kW up to a few MW) …

Thermal energy storage for solar-powered organic Rankine cycle engines

E Casati, A Galli, P Colonna - Solar energy, 2013 - Elsevier
The feasibility of energy storage is of paramount importance for solar power systems, to the
point that it can be the technology enabler. Regarding concentrated solar power (CSP) …

[HTML][HTML] Experimental evidence of non-ideal compressible effects in expanding flow of a high molecular complexity vapor

A Spinelli, G Cammi, S Gallarini, M Zocca, F Cozzi… - Experiments in …, 2018 - Springer
Supersonic expansions of a molecularly complex vapor occurring within the non-ideal
thermodynamic region in the close proximity of liquid-vapor saturation curve were …

SU2: the open-source software for non-ideal compressible flows

M Pini, S Vitale, P Colonna, G Gori… - Journal of Physics …, 2017 - iopscience.iop.org
The capabilities of the open-source SU2 software suite for the numerical simulation of
viscous flows over unstructured grid are extended to non-ideal compressible-fluid dynamics …

Influence of molecular complexity on nozzle design for an organic vapor wind tunnel

A Guardone, A Spinelli… - … of engineering for …, 2013 - asmedigitalcollection.asme.org
A novel blow-down wind tunnel is currently being commissioned at the Politecnico di Milano,
Italy, to investigate real-gas behavior of organic fluids operating at subsonic-supersonic …

[HTML][HTML] NIMOC: A design and analysis tool for supersonic nozzles under non-ideal compressible flow conditions

M Zocca, P Gajoni, A Guardone - Journal of Computational and Applied …, 2023 - Elsevier
A computational tool for non-ideal supersonic nozzle flows is developed to perform direct
design of nozzle geometries and flow analysis of shock-free off-design conditions. So-called …

Siloxanes: a new class of candidate Bethe-Zel'dovich-Thompson fluids

P Colonna, A Guardone, NR Nannan - Physics of Fluids, 2007 - pubs.aip.org
This paper presents a new class of Bethe-Zel'dovich-Thompson fluids, which are expected
to exhibit nonclassical gasdynamic behavior in the single-phase vapor region. These are the …

The role of dense gas dynamics on organic Rankine cycle turbine performance

APS Wheeler, J Ong - Journal of Engineering for …, 2013 - asmedigitalcollection.asme.org
In this paper, we investigate the real gas flows which occur within organic Rankine cycle
(ORC) turbines. A new method for the design of nozzles operating with dense gases is …