Multimode fluid elastic instability analysis is made of heat exchanger tubes in cross flow. The stability analysis predicts that the flow velocity for onset of tube instability in nonuniform flow is lowered by participation of multiple tube modes with similar natural frequencies.
Multimode Fluid Elastic Instability of Heat Exchanger Tubes
Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received August 31, 2012; final manuscript received September 12, 2013; published online November 19, 2013. Assoc. Editor: Walter Lacarbonara.
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Blevins, R. D. (November 19, 2013). "Multimode Fluid Elastic Instability of Heat Exchanger Tubes." ASME. J. Vib. Acoust. February 2014; 136(1): 011015. https://doi.org/10.1115/1.4025604
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