Drag reduction by combination of flow control using inlet disturbance body and plasma actuator on cylinder model

Budiarso .; Harinaldi .; E. A. Kosasih; R. F. Karim; J. Julian

doi:10.15282/jmes.13.1.2019.12.0382

Authors

Budiarso . Department of Mechanical Engineering, Faculty of Engineering Universitas Indonesia, Kampus Baru UI Depok 16424, INDONESIA Phone: +6094246239; Fax: +609424222
Harinaldi . Department of Mechanical Engineering, Faculty of Engineering Universitas Indonesia, Kampus Baru UI Depok 16424, INDONESIA Phone: +6094246239; Fax: +609424222
E. A. Kosasih Department of Mechanical Engineering, Faculty of Engineering Universitas Indonesia, Kampus Baru UI Depok 16424, INDONESIA Phone: +6094246239; Fax: +609424222
R. F. Karim Fluid Mechanics Laboratory, Faculty of Engineering Universitas Indonesia, Kampus Baru UI Depok 16424, INDONESIA
J. Julian Fluid Mechanics Laboratory, Faculty of Engineering Universitas Indonesia, Kampus Baru UI Depok 16424, INDONESIA

DOI:

https://doi.org/10.15282/jmes.13.1.2019.12.0382

Keywords:

Cylinder, Drag Coefficient, Flow Control, Inlet Disturbance Body, Plasma Actuator

Abstract

Flow past a cylinder is one of the things that is very applicable in everyday life. But behind those facts, there is a problem in it namely the drag force which is adverse and needs to be reduced. This research was conducted to find solutions to reduce drag by using a mix of passive flow control of inlet disturbance body and active flow control from plasma actuators. This research uses a test model in the form of a cylinder of a diameter of 120 mm with Reynolds Number 15000, 41000, 62000 and was expected to reduce drag after a given combination of flow control. From the results shown, either inlet disturbance of body and plasma actuators as well as a combination of both the flow of control is capable of performing the reduction coefficient of drag up to 70,22% on a variation of the Reynolds Number 62000.

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