ABSTRACT

Experimental forced convection heat transfer coefficients were determined by flowing air over an upward-facing horizontal plate. The plate was allowed to cool in flowing air, while recording temperature as a function of time. The experimental heat transfer coefficients were then determined from a heat balance over the heat transfer surface. Finally, the experimental coefficients were compared to those obtained from appropriate literature correlations.

The experimental forced convection heat transfer coefficients for parallel flow over flat plate were 2.2–3.5 times higher than literature correlation coefficients, most likely resulting from the high turbulence generated by the fan. The addition of an air diffuser only marginally affected the effects of air turbulence on temperature measurement.