Bogdanov N. D.1, Davletshin I. A.1, Mikheev N. I.1, Shakirov R. R.1, Paereliy A. A.1
1Institute of Power Engineering and Advanced Technologies, Federal Research Center, Kazan Scientific Center of the Russian Academy of Sciences, Kazan, Russia
Email: bogdan_nik_29@mail.ru
Local coefficients of heat transfer and local velocity were measured for the case of a heated surface with ribs inclined at an angle of 45o to the flow. The height of ribs was 1.4 % of the hydraulic diameter. The field and profile of non-dimensional coefficient of heat transfer were estimated from thermographic measurements of temperature. The optical method SIV was employed to measure the local velocities at a characteristic distance from the surface. A qualitative correlation between the measured values of heat transfer and velocity was established. Keywords: inclined ribs, heat transfer enhancement, optical measurements, distribution of heat transfer coefficient, velocity field.
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