Results 111 to 120 of about 8,410 (226)
Nanotechnology and Precision EngineeringA stacked piezoelectric micropump based on the synthetic jet principle with a size of 22 × 22 × 5 mm3 is designed and fabricated. Through theoretical and finite element method (FEM) analysis, the conditions for achieving a synthetic jet structure are ...
Wencheng Lv +8 more
doaj +1 more source
Multi-field coupled simulation and structural design of piezoelectric synthetic jet actuator
AIP AdvancesPiezoelectric synthetic jet actuators can generate a certain amount of thrust by generating a non-constant vortex ring jet at the nozzle. It does not have a motor or rotor, which makes it advantageous and provides significant advantages in areas such as ...
Lei Song +4 more
doaj +1 more source
International Journal of Aerospace Engineering, 2018 A synthetic jet actuator is a zero-net mass-flux device that imparts momentum to its surroundings and has proved to be a useful active flow control device.
Hongbin Mu +3 more
doaj +1 more source
Three-dimensional Flow Field Characteristics of a Normal Slot Plasma Synthetic Jet Actuator [PDF]
Journal of Applied Fluid MechanicsIn this work, to comprehensively analyze the flow field characteristics of a normal slot plasma synthetic jet actuator, three-dimensional simulation models are established for both normal slot and normal orifice actuators. A detailed comparative analysis
L. Cheng, X. L. Sun, S. Ma
doaj +1 more source
EPJ Web of Conferences, 2016 The goal of this paper is to find an optimal nozzle size of an axisymmetric synthetic jet actuator based on a loudspeaker. The desirable maximized output quantities are: volumetric flow, momentum flux, and kinetic energy flux.
Kordík J., Trávníček Z.
doaj +1 more source
Turbulence Measurements on a 2D NACA 0036 with Synthetic Jet Flow Control [PDF]
, 2006 An active flow control experiment was conducted on a 2-ft chord NACA 0036 airfoil in a 3-ft by 4-ft Wind Tunnel at Re = 1 x 10(exp 6). The model was equipped with synthetic jet actuators at x/c = 0.30 and 0.65 that provided 120 Hz periodic excitation at ...
Wilson, J. S.
core +1 more source
Experimental Study on the Characteristics of Dual Synthetic Jets Modulated by Driving Signals
ActuatorsPiezoelectric synthetic jet actuators typically struggle to generate high-speed jets at low driving frequencies due to the coupling effect between jet frequency and jet intensity. This limitation to some extent restricts their application in flow control
Shiqing Li +3 more
doaj +1 more source
Design Optimization Tool for Synthetic Jet Actuators Using Lumped Element Modeling [PDF]
The performance specifications of any actuator are quantified in terms of an exhaustive list of parameters such as bandwidth, output control authority, etc.
Cattafesta, Louis N., III +3 more
core +1 more source
Flow Control Applications [PDF]
Flow control has a long history with many successes across a plethora of applications. This report addresses the characteristics of the approaches that are actually used, why they are used, the many approaches that are not used, and why.
Bushnell, Dennis M., Wygnanski, Israel
core +1 more source
Numerical Study of Flow Separation Control over a Hump Airfoil Using a Novel Sweeping Jet Actuator
Applied SciencesSweeping jet (SWJ) actuators have become a hot research topic in flow control due to their larger sweep range and higher control efficiency. However, the linear relationship between frequency and velocity ratio (VR = Ujet/U∞) in the SWJ actuator makes it
Tong Zhao, Yalei Bai
doaj +1 more source