On the potential of the ideal diffuser augmented wind turbine: an investigation by means of a momentum theory approach and of a free-wake ring-vortex actuator disk …

R Bontempo, M Manna - Energy Conversion and Management, 2020 - Elsevier
Diffuser-augmented wind-turbines are drawing increasing attention since they can beat the
Betz-limit referred to the rotor-area. However, their diffusion is still prevented by some issues …

Unsteady Flows and Component Interaction in Turbomachinery

S Salvadori, M Insinna, F Martelli - International Journal of …, 2024 - mdpi.com
Unsteady component interaction represents a crucial topic in turbomachinery design and
analysis. Combustor/turbine interaction is one of the most widely studied topics both using …

Film cooling and aerodynamic performances of a turbine nozzle guide vane with trenched cooling holes

W He, Q Deng, W Zhou, T Gao, Z Feng - Applied Thermal Engineering, 2019 - Elsevier
The numerical investigation on shaped trench film cooling was carried out using Reynolds
averaged Navier-Stokes simulation to test its practical utility. The cooling performance of …

Online analytics framework of sensor-driven prognosis and opportunistic maintenance for mass customization

T Xia, X Fang, N Gebraeel, L Xi… - Journal of …, 2019 - asmedigitalcollection.asme.org
In mass customization, a manufacturing line is required to be kept in reliable operation to
handle product demand volatility and potential machine degradations. Recent advances in …

Work and efficiency optimization of advanced gas turbine cycles

R Bontempo, M Manna - Energy conversion and management, 2019 - Elsevier
The paper presents a theoretical analysis of advanced gas-turbine cycles. Specifically, three
cycles are investigated, that is the intercooled, the reheat, and the intercooled and reheat …

Clocking effects of inlet nonuniformities in a fully cooled high-pressure vane: A conjugate heat transfer analysis

D Griffini, M Insinna, S Salvadori… - Journal of …, 2016 - asmedigitalcollection.asme.org
A high-pressure vane (HPV) equipped with a realistic film-cooling configuration has been
studied. The vane is characterized by the presence of multiple rows of fan-shaped holes …

Aerothermal Performance of a Nozzle Vane Cascade With a Generic Nonuniform Inlet Flow Condition—Part II: Influence of Purge and Film Cooling Injection

G Barigozzi, H Abdeh… - Journal of …, 2017 - asmedigitalcollection.asme.org
In the present paper, the influence of the presence of an inlet flow nonuniformity on the
aerodynamic and thermal performance of a film cooled linear nozzle vane cascade is fully …

[HTML][HTML] Verification of the axial momentum theory for propellers with a uniform load distribution

R Bontempo, M Manna - International Journal of Turbomachinery …, 2019 - mdpi.com
The paper provides an evaluation of the errors embodied in the Axial Momentum Theory
(AMT) as applied to a uniformly loaded actuator disk model without wake rotation. Although …

Impact of predicted combustor outlet conditions on the aerothermal performance of film-cooled high pressure turbine vanes

S Cubeda, L Mazzei, T Bacci… - … of Engineering for …, 2019 - asmedigitalcollection.asme.org
Turbine inlet conditions in lean-burn aeroengine combustors are highly swirled and present
nonuniform temperature distributions. Uncertainty and lack of confidence associated with …

Modeling and control of combustion phasing in dual-fuel compression ignition engines

W Sui, J Pulpeiro González… - … of Engineering for …, 2019 - asmedigitalcollection.asme.org
Dual-fuel engines can achieve high efficiencies and low emissions but also can encounter
high cylinder-to-cylinder variations on multicylinder engines. In order to avoid these …