Results 21 to 30 of about 1,382,556 (221)

Optimization of thermal characteristics of axisymmetric synthetic air jet impingement on flat surface

open access: yesJournal of Mechanical Engineering and Sciences, 2022
The local heat transfer of axisymmetric synthetic air jet impinging on flat surface is investigated experimentally. Acoustic speaker is used for generation of synthetic air jet with cavity of cylindrical shape.The experiments is conducted for actuator ...
RAVIKUMAR J TALAPATI, NAVEEN HIREMATH
doaj   +1 more source

Dual Synthetic Jets Actuator and Its Applications—Part I: PIV Measurements and Comparison to Synthetic Jet Actuator

open access: yesActuators, 2022
In order to understand the differences between dual synthetic jets (DSJs) and synthetic jets (SJs), particle image velocimetry (PIV) technology is used to capture the basic flow field characteristics of a dual synthetic jet actuator (DSJA) and a ...
Zhenbing Luo   +4 more
doaj   +1 more source

Heat transfer enhancement to a confined impinging synthetic air jet [PDF]

open access: yes, 2013
Heat transfer to confined, un-ducted and ducted impinging synthetic air jets is investigated experimentally. The influence of ducting on the cooling performance of synthetic air jets is of particular interest.
O'Donovan, Tadhg; id_orcid   +1 more
core   +1 more source

Jet Velocity and Acoustic Excitation Characteristics of a Synthetic Jet Actuator

open access: yesFluids, 2022
The effect of the excitation frequency of synthetic jet actuators on the mean jet velocity issuing from an array of circular orifices is investigated experimentally, focusing on the acoustic excitation characteristics of the actuator’s cavity. Two cavity
Nadim Arafa   +2 more
doaj   +1 more source

Active flow control systems architectures for civil transport aircraft [PDF]

open access: yes, 2010
Copyright @ 2010 American Institute of Aeronautics and AstronauticsThis paper considers the effect of choice of actuator technology and associated power systems architecture on the mass cost and power consumption of implementing active flow control ...
Crowther, W. J.; id_orcid   +9 more
core   +1 more source

Effect of the duty cycle on the spark-plug plasma synthetic jet actuator

open access: yesEPJ Web of Conferences, 2016
A promising novel actuator called Spark-Plug Plasma Synthetic Jet (SPSJ) has been developed in Atmospheric Plasma Research Laboratory at Niğde University. It generates electrothermally high synthetic jet velocity by using high voltage.
Seyhan Mehmet   +4 more
doaj   +1 more source

The near wall effect of synthetic jets in a boundary layer [PDF]

open access: yes, 2008
Copyright @ 2007 Elsevier Inc. All rights reserved.An experimental investigation to analyse the qualitative near wall effect of synthetic jets in a laminar boundary layer has been undertaken for the purpose of identifying the types of vortical structures
Jabbal, M   +3 more
core   +1 more source

Plasma Synthetic Jet Actuators for Active Flow Control

open access: yesActuators, 2018
The plasma synthetic jet actuator (PSJA), also named as sparkjet actuator, is a special type of zero-net mass flux actuator, driven thermodynamically by pulsed arc/spark discharge. Compared to widely investigated mechanical synthetic jet actuators driven
Haohua Zong   +3 more
doaj   +1 more source

Experimental research of active control optimization on a 3/4 open-jet wind tunnel’s jet section

open access: yesAlexandria Engineering Journal, 2021
A 1:15 3/4 open-jet scaled wind tunnel was used for experimental test. By arranging the synthetic jet actuator around the nozzle, the experimental method was used to analyze the flow field after the active flow control was implemented. The effects of the
Q. Jia   +5 more
doaj   +1 more source

Qualitative Analysis of a Synthetic Jet Actuator with Different Cavity Thickness and Export Area

open access: yes, 2016
Present study investigates performance of synthetic jet actuator qualitatively. Its effectiveness of thickness of cavity, export area, working frequency and input voltage will be mainly studied by improved smoke flow visualization.
Yeh, Yung-Lan;Tang, Jing-Min;Hsu, Shi-Shiung
core   +1 more source

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