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Showing 1 to 4 of 4 for “"Finned cylinders"”.
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Flow characteristics and acoustic resonance excitation of finned cylinders in cross-flow
… and acoustic resonance excitation of bare and finned cylinders of different arrangements in cross-flow were experimentally investigated. In the design phase of finned tube heat exchangers, finned cylinders are treated as bare cylinders with a diameter equivalent to their flow blockage. This …
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Effect of diameter ratios on the flow-sound interaction of the straight circular finned cylinders
Finned tubes that are widely used in heat exchangers could be susceptible to the flow-excited acoustic resonance that generates intense pressure fluctuations, which may lead to premature fatigue failure of the tubes. This thesis explores the unsteady flow development around circular finned tubes …
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The determination of heat-transfer coefficients from finned cylinders in an air stream at varying fin-plane/air-stream angles, fin spacing, and air velocities
… been made in the field of heat-transfer from finned cylinders in an air-stream with the fin-plane parallel to the air-stream. Most of these investigations have been made by the National Advisory Committee on Aeronautics (NACA) at Langely Memorial Aeronautical Laboratory, Langely Field, …
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Flow-sound interaction mechanism of a single spirally finned cylinder in cross-flow
… the acoustic cross-modes of the duct housing the finned tubes. This may reduce the service life of the heat exchangers, and adversely affect the health of individuals working in the proximity of such noise. Since the flow-acoustic phenomenon of finned tubes are not well understood, it can be …