Davletshin I.A.1, Mikheev N.I.1, Shakirov R.R.1
1Institute of Power Engineering and Advanced Technologies, Federal Research Center, Kazan Scientific Center of the Russian Academy of Sciences, Kazan, Russia
Email: davlet60@mail.ru
Heat transfer from a wall of a rectangular channel with discrete (in streamwise direction) heating was estimated experimentally. Distributions of heat transfer coefficient were obtained at different ratios of heated to unheated areas in developed turbulent air flow. Discrete arrangement of heat transfer was demonstrated to promote the heat transfer coefficient in the entrance section compared to uniform heat transfer. Keywords: discrete heating, entrance length, thermal boundary layer.
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