Effect of the heating-surface material on the boiling curve of liquids
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The curve of saturated pool boiling of water at atmospheric pressure is experimentally studied for various heating surface materials. The heat-generating elements are made of copper (65, 100 μm in diameter), tungsten (90 μm in diameter), and nichrome (100 and 150 μm in diameter) wires. The time to burnout of a heating element is not always correspondent to the boiling crisis. At a controlled heat load, the quantity of heat transferred from a metallic surface to boiling water increases with the heat load.
PACS numbers44.35.+c 47.55.dp
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