An extended charnock estimate of interfacial stress in stratified two-phase flows |
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Affiliation: | 1. Departamento de Física-Química I, Universidad Complutense de Madrid, Avda. Complutense s/n, Madrid 28040, Spain;2. Departamento de Física Fundamental, Universidad Nacional de Educación a Distancia, UNED, 28040 Madrid, Spain;1. Departamento de Física Fundamental, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, UNED, 28040 Madrid, Spain;2. Departamento de Física Interdisciplinar, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, UNED, 28040 Madrid, Spain;3. Complex System Group (ETSIAAB), Universidad Politécnica de Madrid, 28040 Madrid, Spain |
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Abstract: | The existing theory of interfacial shear and roughness in fully-developed flow is generalized with the aid of the Colebrook-White formula to encompass smooth, transitional and rough interfaces, and an empirical correction improves the agreement with experiment near regime transition. |
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