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固化石墨的渗透率测试
  • 期刊名称：化工学报
  • 时间：0
  • 页码：35-38
  • 语言：中文
  • 分类：O613.71[理学—无机化学;理学—化学]
  • 作者机构：[1]上海交通大学制冷与低温工程研究所
  • 相关基金：国家自然科学基金项目(50736004,50806043)~~
  • 相关项目：低品位余热高效利用的多效双重吸附制冷研究
作者： 金哲权|田波|魏东升|王丽伟|王如竹|
关键词： 膨胀石墨, 固化石墨, 渗透率
中文摘要：

为了测试混合吸附剂的传质特性,设计了一套测试吸附剂渗透率的试验装置。在研究渗透率之前,先用平面热源法测试了散装石墨在不同膨胀温度及不同膨胀时间下的热导率,优选出了膨胀石墨的最佳膨胀工艺。然后采用最佳工艺对石墨进行膨胀,采用压力机与压制模具对石墨进行固化,而后以氮气作为气源,对膨胀石墨进行了固化及渗透率测试研究,研究发现,膨胀石墨的固化密度不同时,渗透率的大小差别较大,密度从100 kg.m-3到400 kg.m-3变化时,渗透率介于10-14～10-12m2之间变化。

同期刊论文项目
低品位余热高效利用的多效双重吸附制冷研究
期刊论文 63 会议论文 28 专利 12
低温热源驱动的两级复叠解吸型吸附冷冻循环
期刊论文 21 专利 3
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