Sweeping jet film cooling on a turbine vane

MA Hossain, L Agricola, A Ameri… - Journal of …, 2019 - asmedigitalcollection.asme.org
The cooling performance of sweeping jet film cooling was studied on a turbine vane suction
surface in a low-speed linear cascade wind tunnel. The sweeping jet holes consist of fluidic …

Large eddy simulation analysis of the heat transfer enhancement using self-oscillating fluidic oscillators

Y Wu, S Yu, L Zuo - International Journal of Heat and Mass Transfer, 2019 - Elsevier
Using an unsteady jet created by the fluidic oscillator represents many opportunities to
enhance the heat removal performance of impinging jet. Numerical simulations were …

Effects of fluidic oscillator nozzle angle on the flowfield and impingement heat transfer

MA Hossain, A Ameri, JW Gregory, J Bons - AIAA Journal, 2021 - arc.aiaa.org
Experimental and numerical investigations were performed to evaluate the effects of the exit
nozzle configuration of a fluidic oscillator on the flowfield and impingement heat transfer …

Heat transfer and flow structure characteristics of film-cooled leading edge model with sweeping and normal jets

X Kong, Y Zhang, G Li, X Lu, J Zhu, J Xu - International Communications in …, 2022 - Elsevier
The heat transfer and flow structure characteristics of a film-cooled leading edge model with
sweeping and normal jets were numerically investigated using the conjugate heat transfer …

Experimental investigation of innovative cooling schemes on an additively manufactured engine scale turbine nozzle guide vane

MA Hossain, A Ameri… - Journal of …, 2021 - asmedigitalcollection.asme.org
This study includes the design, validation, and fabrication via direct metal laser sintering
(DMLS) of a gas turbine nozzle guide vanes (NGV) that incorporates three innovative …

Experimental investigation of sweeping jet film cooling in a transonic turbine cascade

MA Hossain, ME Asar… - Journal of …, 2020 - asmedigitalcollection.asme.org
The sweeping jet (SJ) film cooling hole has shown promising cooling performance
compared to the standard shaped hole in low-speed conditions. The present work …

Aspect ratio and combined installation in fluidic oscillator-crossflow interactions

OP Ayeni, B Cleton - Physics of Fluids, 2022 - pubs.aip.org
This paper describes a computational study of fluidic oscillator-crossflow interactions. Fluidic
oscillators are high potential active flow control devices, which offer promise for cooling and …

Simulation of a confined and a free sweeping air jet impingement cooling from a fluidic oscillator

R Abdelmaksoud, T Wang - International Journal of Thermal Sciences, 2023 - Elsevier
In this paper, the fluid flow behavior and cooling characteristics of a sweeping impingement
jet were investigated. Also, the difference between free and confined impingement schemes …

Performance of public film cooling geometries produced through additive manufacturing

JC Snyder, KA Thole - Journal of Turbomachinery, 2020 - asmedigitalcollection.asme.org
Film cooling is an essential cooling technology to allow modern gas turbines to operate at
high temperatures. For years, researchers in this community have worked to improve the …

Characterization of Out-of-Plane Curved Fluidic Oscillators

A Spens, PJ Brandt, JP Bons - AIAA Journal, 2024 - arc.aiaa.org
A novel fluidic oscillator design, in which the oscillator is curved along the primary flow
direction, was evaluated. The effects of mass flow rate, hydraulic diameter, aspect ratio …