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DOI: 10.1615/HeatTransRes.v33.i3-4.70
5 pages

Heat Transfer from Cylinders in Transverse Flows of Highly Variable Turbulence

Algirdas Zukauskas
Lithuanian Academy of Sciences, Vilnius, Lithuania
Petras Vaitiekunas
Lietuvos energetikos institutas, Atsinaujinaneiø energijos ðalti laboratorija, Breslaujos g. 3, LT-44403 Kaunas, Lithuania
Juozas Vytautas Ziugzda
Lithuanian Energy Institute, Breslaujos str. 3, LT-44403 Kuanas, Lithuania

ABSTRACT

Analytical results are presented on the effects of the intensity and the scale turbulence on heat transfer and hydraulic resistance from a transverse cylinder. Equations of a flat boundary layer were used together with the two-parameter scale of turbulence and a subsequent finite difference solution. The influence of the turbulence parameters was higher on heat transfer then on hydraulic resistance. The effects of the same factors on the dynamical behavior of the separation points were determined.