The Proceedings of the Fluids engineering conference
Online ISSN : 2424-2896
2018
Session ID : OS15-15
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Location effects of plasma actuator for control in multiple-passage duct flow
*Daichi KANEHARATakahiro SAGAWAMasatoshi SANO
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Abstract

An experimental study is performed for multiple-passage duct flows. The multiple-passage is a reverse flow type, and consists of the five branch ducts. The dielectric barrier discharge plasma actuator (PA) is used for the flow control of reverse flow passages. The duct flows are investigated from the view point of flow uniformity and pressure loss reduction. The location in which the actuator is installed is changed in three positions of the outside wall at the inlet manifold and the outlet manifold. Reynolds number based on the bulk velocity and hydraulic diameter at the inlet duct are varied from 6.0×102 to 2.0×103. The results show that the pressure loss decreases and the flow rate in each branch duct passages improves by the effect of induced flow with the PA. The effect is remarkable when the PA is installed near the first branch of the inlet manifold.

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© 2018 The Japan Society of Mechanical Engineers
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