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Velocity and pressure fluctuations on inclined tube banks submitted to turbulent flow

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Velocity and pressure fluctuations on inclined tube banks submitted to turbulent flow

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Título Velocity and pressure fluctuations on inclined tube banks submitted to turbulent flow
Autor Barcellos, Cristiano Rodrigues
Bartz, Cássio Leandro
Endres, Luiz Augusto Magalhães
Moller, Sergio Vicosa
Abstract This paper presents the experimental study of pressure and velocity fluctuations and their interdependence, in the turbulent flow impinging on arrangements of yawed circular cylinders simulating inclined tube banks with square arrangement and a pitch to diameter ratio of 1.26. Measurements were performed with hot-wires and a pressure transducer. Behaviour of fluctuating quantities is described by means of dimensionless autospectral density functions and cross correlations. Experimental results indicates the presence of two different phenomena of vortex generation in inclined tube banks.
Contido em Journal of the Brazilian Society of Mechanical Sciences and Engineering. Vol. 25, n. 1 (Jan./March 2003), p. 53-62
Assunto Escoamento turbulento
Flutuacao de pressao : Tubos : Turbulencia : Medicao : Transferencia de calor
[en] Hot wires
[en] Pressure transducers
[en] Tube banks
[en] Turbulent flow
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/75776
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