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ISSN オンライン: 2642-0554

TURBULENCE CHARACTERISTICS OF SEMICONFINED IMPINGING ARRAYS OF JETS

Bertrand P. E. Dano
Department of Mechanical Engineering, Oregon State University, Corvallis, OR 97331, USA

James A. Liburdy
Department of Mechanical Engineering, Oregon State University, Corvallis, OR 97331, USA

要約

The crossflow interaction of multiple air jets impinging on a flat surface enclosed by three walls is investigated. Details of the mean and some turbulence quantities for two 7×7 jet arrays are presented: circular and cusped ellipse shape. The Reynolds number ranges from 8,500 to 15,900. Surface flow visualization and PIV measurements of the entire flow field are used to interpret the complex flow characteristics