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Effects of the Magnetic Kelvin Force on Pool Boiling in Microgravity

机译:磁性开尔文的影响在微匍匐中泡泡中的池沸腾

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Results are reported for the pool boiling of a solution of paramagnetic manganese chloride in water in microgravity conditions. Pool boiling was recorded on video in two tanks that were identical, except that one tank had a strong permanent magnet mounted directly beneath the heater surface. In both tanks, the entire volume of liquid was essentially at saturated conditions. For this 4.5 molal solution, the computed magnitude of the magnetic Kelvin force adjacent to the heater surface was 15% of Earth gravity. The boiling liquid in both tanks quickly changed to a bubbly foam during the onset of reduced gravity conditions. The height of the liquid column expanded by as much as a factor of three. The Kelvin force reduced the expanded height of the column by an average of 15%.
机译:据报道,在微匍匐条件下,在水中氯化甘氨酸氯化物溶液的池沸腾。在两个坦克上的视频中记录了池沸腾,除了一个坦克有一个坦克的坚固的永磁体直接安装在加热器表面下方。在两个罐中,整个体积的液体基本上在饱和条件下。对于该4.5摩尔溶液,与加热器表面相邻的磁性开尔文力的计算大小为地重力的15%。在减少重力条件的开始期间,两个罐中的沸腾液体快速变为泡沫泡沫。液体柱的高度扩展多为三倍。开尔文力将柱的膨胀高度降低,平均为15%。

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