Heat transfer characteristics of expanded graphite matrices in metal hydride beds
Heat transfer characteristics of expanded graphite matrices in metal hydride beds
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DOI：
10.1016/j.ijhydene.2004.01.017
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发表时间：
2004-11
影响因子：
7.2
通讯作者：
H. Klein;M. Groll
中科院分区：
文献类型：
--
作者：
H. Klein;M. Groll
金属氢化物粉末的导热系数和金属氢化物粉末床与反应床壁之间的换热系数通常较低。当金属氢化物粉末用于实际应用时，必须普遍采用强化传热技术。本文描述了具有高效导热性的膨胀天然石墨/金属氢化物致密材料。此外，还研究了膨胀石墨球团与周围钢管内表面之间的传热系数。
The thermal conductivity of metal hydride powders and the heat transfer coefficients between metal hydride powder beds and the walls of reaction beds are usually low. When metal hydride powders are used in practical applications, heat transfer enhancement techniques have to be generally applied. Here, expanded natural graphite/metal hydride compacts are described, possessing a high-effective thermal conductivity. Furthermore, the heat transfer coefficient between expanded natural graphite pellets and the inner surface of the surrounding steel tube has been investigated.