Abstract
The influence of the plate inclination angle relative to the horizon on a distance between formed rivulets and breakdown of a falling water film was studied experimentally on a heater of 150×150 mm. Dependences of the distance between rivulets on the heat flux density and plate inclination angle were examined. In experiments two zones of influence of the heat flux on a distance between rivulets were revealed: at θ ≥ 20° distances between the rivulets do not depend on the heat flux, and at θ ≤ 15° they decrease with a rise of the heat flux. Data on film breakdown were generalized with consideration of evaporation effect. It is shown that there is almost no effect of inclination angle on film breakdown in the whole range of studied Reynolds numbers.
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