Numerical Investigations of Fan-in-Wing Aerodynamic Performance with Active Flow Control

2017 ◽  
Vol 54 (6) ◽  
pp. 2317-2329 ◽  
Author(s):  
Chunhua Sheng ◽  
Qiuying Zhao
Keyword(s):  
Flow Control ◽  
Active Flow Control ◽  
Aerodynamic Performance ◽  
Numerical Investigations ◽  
Active Flow

Numerical Investigation of an Elastomer-Piezo-Adaptive Blade for Active Flow Control of a Nonsteady Flow Field Using Fluid–Structure Interaction Simulations

2017 ◽  
Vol 139 (9) ◽  
Author(s):  
Tien Dat Phan ◽  
Patrick Springer ◽  
Robert Liebich
Keyword(s):  
Flow Control ◽  
Active Flow Control ◽  
Leading Edge ◽  
Material Behavior ◽  
Fluid Structure ◽  
Numerical Investigations ◽  
Pulsed Detonation ◽  
Stator Blade ◽  
Suitable Concept ◽  
Active Flow

In order to prevent critical effects due to pulsed detonation propulsion, e.g., incidence fluctuations, an elastomer-piezo-adaptive stator blade with a deformable front part is developed. Numerical investigations with respect to the interaction of fluid and structure including the piezoelectric properties and the hyperelastic material behavior of an elastomer membrane are conducted in order to investigate the concept of the elastomer-piezo-adaptive blade for developing the best suitable concept for subsequent experiments with a stator cascade in a wind tunnel. Results of numerical investigations of the structure-dynamic and fluid mechanical behavior of the elastomer-piezo-adaptive blade by using a novel fluid–structure-piezoelectric-elastomer-interaction simulation (FSPEI simulation) show that the latent danger of a laminar flow separation at the leading edge at incidence fluctuations can be prevented by using an adaptive blade. Therefore, the potential of the concept of the elastomer-piezo-adaptive blade for active flow control is verified. Furthermore, it is essential to consider the interactions between fluid and structure of the transient FSPEI simulations, since not only the deformation of the adaptive blade affects the flow around the blade, the flow has a significant effect on the dynamic behavior of the adaptive blade, as well.

Increasing the Aerodynamic Performance of a Formula Student Race Car by Means of Active Flow Control

2019 ◽  
Author(s):  
Ben Steinfurth ◽  
Arne Berthold ◽  
Steffen Feldhus ◽  
Frank Haucke ◽  
Julien Weiss
Keyword(s):  
Flow Control ◽  
Active Flow Control ◽  
Aerodynamic Performance ◽  
Race Car ◽  
Active Flow

Numerical Investigations of Synthetic Jet Control for TAU0015 Airfoil

2014 ◽  
Vol 598 ◽  
pp. 562-567
Author(s):  
Xiao Ping Xu ◽  
Zhou Zhou ◽  
Rui Wang
Keyword(s):  
Flow Control ◽  
Control Method ◽  
Active Flow Control ◽  
Flow Characteristics ◽  
Aerodynamic Performance ◽  
Synthetic Jet ◽  
Airfoil Surface ◽  
Momentum Coefficient ◽  
Jet Control ◽  
Active Flow

The aerodynamic performance of TAU0015 airfoil was investigated with synthetic jet control method. The simplified mathematical model of the active flow control was established with unsteady velocity boundary condition at the specific location of airfoil surface. The aerodynamic performance was simulated with synthetic jet and the efficiency of jet momentum coefficient was conducted. The result shows that the flow control model could perform the minor jet flow characteristics and higher jet momentum coefficient result better control efficiency.

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