Integration of fluidic jet actuators in composite structures

Martin Schueller; Mathias Lipowski; Eckart Schirmer; Marco Walther; Thomas Otto; Thomas Geßner; Lothar Kroll

doi:10.1117/12.2084317

2 April 2015 Integration of fluidic jet actuators in composite structures

Martin Schueller, Mathias Lipowski, Eckart Schirmer, Marco Walther, Thomas Otto, Thomas Geßner, Lothar Kroll

Proceedings Volume 9431, Active and Passive Smart Structures and Integrated Systems 2015; 943113 (2015) https://doi.org/10.1117/12.2084317
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

Fluidic Actuated Flow Control (FAFC) has been introduced as a technology that influences the boundary layer by actively blowing air through slots or holes in the aircraft skin or wind turbine rotor blade. Modern wing structures are or will be manufactured using composite materials. In these state of the art systems, AFC actuators are integrated in a hybrid approach. The new idea is to directly integrate the active fluidic elements (such as SJAs and PJAs) and their components in the structure of the airfoil. Consequently, the integration of such fluidic devices must fit the manufacturing process and the material properties of the composite structure. The challenge is to integrate temperature-sensitive active elements and to realize fluidic cavities at the same time. The transducer elements will be provided for the manufacturing steps using roll-to-roll processes. The fluidic parts of the actuators will be manufactured using the MuCell® process that provides on the one hand the defined reproduction of the fluidic structures and, on the other hand, a high light weight index. Based on the first design concept, a demonstrator was developed in order to proof the design approach. The output velocity on the exit was measured using a hot-wire anemometer.

Citation Download Citation

Martin Schueller, Mathias Lipowski, Eckart Schirmer, Marco Walther, Thomas Otto, Thomas Geßner, and Lothar Kroll "Integration of fluidic jet actuators in composite structures", Proc. SPIE 9431, Active and Passive Smart Structures and Integrated Systems 2015, 943113 (2 April 2015); https://doi.org/10.1117/12.2084317

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