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Thermophysics and Aeromechanics

2006 year, number 4

Heat transfer in tubes with periodic draft under supercritical conditions

R.F. Kelbaliev and T.F. Dzhabrailov
Azerbaijan State Oil Academy, Baku, Azerbaijan
Pages: 557-563


The temperature mode of a wall was studied experimentally for sub- and supercritical pressures of water in tubes with turbulence stimulators; these data were compared with similar results obtained for a smooth tube. An increase in heat transfer inside a turbulizing tube was revealed for a single- and two-phase water flows. Correlation dependencies for determination of heat transfer coefficient in a single-phase flow inside a tube with turbulence stimulators were obtained.