The effect of Joule heat and mineral matter on conductivity of coal has been studied.

主要讨论了焦耳热效应和矿物质对煤导电性质的影响。

The temperature rise in liquid lithium Hartmann flow at electrically conducting walls due to Joule heat has been investigated numerically.

运用数值模拟方法对液态金属锂在导电壁面的哈特曼流中因焦耳热引起的升温进行了计算。

From these equations the temperature and stress expressions at the crack tip are obtained too. The numerical examples show that under the Joule heat source provide…

算例表明，在电流所产生的焦耳热源的作用下，裂尖区域处的温度将瞬时升高，并伴有压应力的产生，从而可达到阻止裂纹扩展的目的。