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A theoretical investigation of natural convection effects in forced horizontal flows
Author(s) -
Gill William N.,
Del Casal Eduardo
Publication year - 1962
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690080418
Subject(s) - prandtl number , mechanics , natural convection , instability , thermodynamics , boundary layer , thermal instability , combined forced and natural convection , viscosity , thermal , gravitational field , convection , forced convection , materials science , geology , physics , classical mechanics
It is shown that viscosity variations and temperature differences between the upper and lower walls can significantly increase or decrease the tendency toward instability. It was found that low Prandtl number fluids are most sensitive to gravitational field effects because they are characterized by a thicker thermal boundary layer.