Abstract
This paper deals with channel flow and heat transfer experiments undertaken toexamine the influence of a transverse magnetic field on the heat transfer of an electrically conducting fluid. Measurements were made of the velocity distribution, friction factor, critical Reynolds number for transition from laminar flow, and heat transfer coefficient on liquid mercury flowing through several tubes 1m long under the effect of uniform transverse magnetic field. The experimental results were correlated with the Reynolds number(<2×105) and the Hartmann number(<55referred to inner radius of tube).The magnetic field reduces the heat transfer coefficient in the region between the Péclet number=2×10102 and 4×103. The Hartmann number as well as the Péclet number affects the Nusselt number which drops as much as 40% in the most prominent case when the Hartmann number=55.
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