2013
DOI: 10.1016/j.ijheatmasstransfer.2013.08.100
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Study of the influence of interfacial waves on heat transfer in turbulent falling films

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Cited by 28 publications
(12 citation statements)
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“…This produces a net drag force upon the interfacial wave in addition to the shear force. The plots for Re g = 6100 show appreciable swirl effects in the separation region, which is consistent with prior findings by the present authors concerning swirl effects in wavy, free-falling films [3]. These effects are also manifest in the streamline plot for Re g = 6100, where the nitrogen streamlines are shown departing from the interface downstream from the waves.…”
Section: Interfacial Fluid Dynamicssupporting
confidence: 92%
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“…This produces a net drag force upon the interfacial wave in addition to the shear force. The plots for Re g = 6100 show appreciable swirl effects in the separation region, which is consistent with prior findings by the present authors concerning swirl effects in wavy, free-falling films [3]. These effects are also manifest in the streamline plot for Re g = 6100, where the nitrogen streamlines are shown departing from the interface downstream from the waves.…”
Section: Interfacial Fluid Dynamicssupporting
confidence: 92%
“…A recent study by the authors [3] points to the ability to extend FLUENT's flow modeling capability to tackle turbulent two-phase flows. In the present study, computations are performed using the FLUENT Analysis System in the Toolbox of ANSYS Workbench 14.0.0 [31].…”
Section: Methodsmentioning
confidence: 99%
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“…We do not consider the turbulence phenomenon because our simulation domain is the beginning of the test pipe, where we have a low-speed flow and is far from the fully developed fluid conditions (L > 32D, where L and D are longitude and diameter pipe respectively (ZADRAZIL; MATAR; MARKIDES, 2014)). The solver selection and the models for our simulation are based on previous works that solves similar problems (GAO; MORLEY; DHIR, 2003), (IGLESIAS et al, 2018) and (MASCARENHAS;MUDAWAR, 2013) and also in the ANSYS Fluent manual recommendations (ANSYS, 2017b).…”
Section: Simulation Conditionsmentioning
confidence: 99%
“…Several researchers have been studying the wave behaviour in these multiphase regimes using experimental, analytical and computational fluid dynamics (CFD) approaches. For example, Mascarenhas and Mudawar [1] using experimental and CFD techniques to study the falling heated water film in turbulent regimes, analyzing the influence of interfacial waves on mass, momentum and heat transfer. Camassa et al [2], conducted experiments and constructed an analytical model to study the mechanism by which forced steady airflow transports annular layers of high-viscosity fluids (low Reynolds), conditions corresponding to lung airways.…”
Section: Introductionmentioning
confidence: 99%