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 …
Betz-limit referred to the rotor-area. However, their diffusion is still prevented by some issues …
Unsteady Flows and Component Interaction in Turbomachinery
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 …
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 …
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
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 …
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 …
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 …
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 …
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 …
(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
Turbine inlet conditions in lean-burn aeroengine combustors are highly swirled and present
nonuniform temperature distributions. Uncertainty and lack of confidence associated with …
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 …
high cylinder-to-cylinder variations on multicylinder engines. In order to avoid these …