Average heat transfer rates measured in two different temperature ranges for magnetic convection of horizontal water layer heated from below

Azusa Ujihara; Toshio Tagawa; Hiroyuki Ozoe

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Average heat transfer rates measured in two different temperature ranges for magnetic convection of horizontal water layer heated from below

机译：从下面加热的水平水层的磁对流，在两个不同温度范围内测得的平均传热率

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The average heat transfer rates of gravitational and magnetic convection of water heated from below and cooled from above are measured for two cases of cold wall temperature θ_c at 10 ℃ and 30 ℃. The height of the cylindrical enclosure is 2 mm with 40 mm in diameter. The magnetic field is imposed in a vertical direction to increase or decrease 29% of the gravitational acceleration in a bore space of a super-conducting magnet of 10 T at the solenoid center. The group of data at θ_c = 30 ℃ gives a better agreement with the classical heat transfer rate of Silveston than that at θ_c = 10 ℃. This is probably due to the almost constant value in the volumetric magnetic susceptibility of water at about 10 ℃.

机译：在10℃和30℃的两种冷壁温度θ_c情况下，测量了从下方加热和从上方冷却的水的重力和磁对流的平均传热速率。圆柱形外壳的高度为2毫米，直径为40毫米。在垂直方向施加磁场，以增加或减小螺线管中心处10 T的超导磁体的孔腔中重力加速度的29％。 θ_c= 30℃时的数据组比Silveston的经典传热速率要好于θ_c= 10℃时的数据。这可能是由于水在10℃左右时的磁化率几乎恒定。

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来源
《International Journal of Heat and Mass Transfer》 |2006年第20期|p.3555-3560|共6页
作者
Azusa Ujihara; Toshio Tagawa; Hiroyuki Ozoe;
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作者单位

Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga, Japan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程理论;热学;
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Average heat transfer rates measured in two different temperature ranges for magnetic convection of horizontal water layer heated from below

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