• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>International Journal of Heat and Mass Transfer >Microwave-induced temperature fields in cylindrical samples of graphite powder - Experimental and modeling studies
【24h】

Microwave-induced temperature fields in cylindrical samples of graphite powder - Experimental and modeling studies

机译：微波作用下石墨粉圆柱样品中的温度场-实验与模型研究

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Microwave heating of graphite powder is the key process of a number of promising applications and emerging technologies ranging from kiln crucibles to synthesis of graphene. However, this process is typically studied in terms of structural parameters of the resulting products, whereas the prime electromagnetic and associated temperature characteristics remain insufficiently studied. In this paper, we investigate microwave heating of graphite powder in a batch (non-resonant) and waveguide (resonant) reactors using multiphysics (electromagnetic-thermal) modeling and experimentation. Temperature-dependent material parameters of graphite power are determined from measurements and appropriate physical models. Non-uniform temperature fields and their trend for relatively quick homogenization are shown to be conditioned by high values of the loss factor and thermal conductivity. These parameters are also found to be responsible for the effect of post-microwave heating. It is demonstrated that processing of graphite power in a resonant reactor may be convenient for controlling the heating rate and the level of temperature uniformity.
机译：石墨粉的微波加热是从窑炉坩埚到石墨烯合成等许多有前景的应用和新兴技术的关键过程。然而，通常根据所得产物的结构参数来研究该过程，而对主要电磁和相关温度特性的研究仍不够充分。在本文中，我们使用多物理场（电磁热）建模和实验研究了在批式（非谐振）和波导（谐振）反应器中对石墨粉的微波加热。石墨粉的温度相关材料参数是通过测量和适当的物理模型确定的。非均匀温度场及其相对较快均质化的趋势已显示为损耗因数和热导率较高的条件。还发现这些参数是造成微波后加热的原因。已经证明，在谐振反应器中处理石墨功率对于控制加热速率和温度均匀性水平可能是方便的。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号