CFD study of Savonius wind turbine: 3D model validation and parametric analysis

G Ferrari, D Federici, P Schito, F Inzoli, R Mereu - Renewable energy, 2017 - Elsevier
A CFD study is conducted in order to characterize the dynamic behavior of a Savonius
vertical axis wind turbine. All simulations are executed using the open source code …

Mach number and energy loss analysis inside multi-stage Tesla valves for hydrogen decompression

J Qian, M Chen, Z Gao, Z ** - Energy, 2019 - Elsevier
Multi-stage Tesla valves in the reversed flow state can be applied during the hydrogen
decompression process between the high pressure hydrogen storage vessel and the fuel …

Parametric numerical study of Savonius wind turbine interaction in a linear array

R Mereu, D Federici, G Ferrari, P Schito, F Inzoli - Renewable Energy, 2017 - Elsevier
This work focuses on Savonius turbine numerical modeling and mutual turbine interaction in
a linear array farm. Two-dimensional Computational Fluid Dynamics modeling was carried …

A parametric study of hydrodynamic cavitation inside globe valves

Z **, Z Gao, J Qian, Z Wu… - Journal of Fluids …, 2018 - asmedigitalcollection.asme.org
Hydrodynamic cavitation that occurs inside valves not only increases the energy
consumption burden of the whole pi** system but also leads to severe damages to the …

Auto-tuning ejector for refrigeration system

L Wang, J Liu, T Zou, J Du, F Jia - Energy, 2018 - Elsevier
In this paper, an auto-tuning AR (area ratio) ejector and an auto-tuning NXP (nozzle exit
position) ejector are designed to solve the contradictions between the fixed structure and the …

Application of computational fluid dynamics to the analysis of geometrical features in PEM fuel cells flow fields with the aid of impedance spectroscopy

A Baricci, R Mereu, M Messaggi, M Zago, F Inzoli… - Applied energy, 2017 - Elsevier
Polymer electrolyte membrane fuel cells are devices that produce power by direct
conversion of hydrogen via electrochemical route and are promising for energy applications …

Computational fluid dynamics modeling of flashing flow in convergent-divergent nozzle

Q Dang Le, R Mereu, G Besagni… - Journal of Fluids …, 2018 - asmedigitalcollection.asme.org
In this paper, a computational fluid dynamics model of flashing flow, which considers the
thermal nonequilibrium effect, has been proposed. In the proposed model, based on the two …

Scale-resolving CFD modeling of a thick wind turbine airfoil with application of vortex generators: Validation and sensitivity analyses

R Mereu, S Passoni, F Inzoli - Energy, 2019 - Elsevier
Abstract Wind farms of Horizontal Axis Wind Turbines (HAWT) are increasing as number and
size of single turbines and the blades with a degraded surface finish are studied as cause …

Possible user-dependent CFD predictions of transitional flow in building ventilation

L Peng, PV Nielsen, X Wang, S Sadrizadeh, L Liu… - Building and …, 2016 - Elsevier
A modified backward-facing step flow with a large expansion ratio of five (5) was modeled by
19 teams without benchmark solutions or experimental data for validation in an ISHVAC …

Parametric study on fluid dynamics of pilot-control angle globe valve

J Qian, Z Gao, B Liu, Z ** - Journal of Fluids …, 2018 - asmedigitalcollection.asme.org
Globe valve is widely used in numerous industries, and its driving energy consumption
accounts for high percentages of the whole pi** system. In order to figure out novel globe …