Laminar channel flow effected by synthetic jets- experimental and numerical studies

P. Dancova, H.C. Lange, de, T. Vit, D. Sponiar, Z. Travnicek

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This study deals with a laminar channel flow interacting with a synthetic jet, with emphasis on low Reynolds numbers. The study is predominantly experimental, with supporting numerical simulations. The experiments were performed with water as the working fluids, and two methods were used: Laser Doppler Vibrometry for measurement of membrane oscillation, and PIV. The experimental and numerical results confirmed that the channel flow can be effectively controlled by means of the sythetic je. As a result of the synthetic jet propagation through the channel flow, two significant effects were found: an oblique jet imingement and an overall modification on the channel flow more downstream the impingement area. Based on these local and overall effets, a posibility of heat/mass transfer enhancement was deduced. The authors suggest that this technique can be used for desirable augmentation of various applications.
Original languageEnglish
Title of host publication7th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics
Place of PublicationPoland, Krakow
Publication statusPublished - 2009


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