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SECONDARY FLOW FORMATION OVER LOCALIZED HEAT SOURCE

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Formation of secondary flows in a cylindrical fluid layer with a local heating was studied experimentally and numerically. It was shown that secondary structures appear in a temperature boundary layer. The shape of secondary flows essentially depends on the heating. The set of frequencies characterizing the secondary flows generation was obtained by thermocouple measurements. Temperature time series were analyzed by wavelet-analyses for fixed locations over the heater. 2D and 3D models were used for numerical modeling. Numerical results are in a good agreement with experimental measurements.

Author(s):

Andrey Sukhanovskiy    
ICMM UB RAS
Russian Federation

Anna Evgrafova    
ICMM UB RAS
Russian Federation

Elena Popova    
ICMM UB RAS
Russian Federation