Abstract
An experimental study has been carried out to investigate the effect of the jet inclination on convective heat transfer from vertical heaters to circular submerged liquid jets. Local heat transfer measurements were made with obliquely impinging circular jets of transformer oil issued from both pipe-type and orifice-type nozzles in the range of jet Reynolds number from 162 to 958, corresponding to the jet velocity from 1.73 to 19.1 m/s. Variations both of the location and the magnitude of maximum heat transfer rates were determined and correlated in the range of jet inclination angles from 90° to 45°. Profiles of local heat transfer coefficients were obtained both along the x- and y- axes. A correlation was presented to predict the radial distribution of local Nusselt number in the x-axis. Comparison was made of the present results with those from available literature related to oblique circular liquid and air jets.
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