首页> 外文期刊>International Journal of Heat and Mass Transfer >Free-standing planar thin-film thermoelectric microrefrigerators and the effects of thermal and electrical contact resistances
【24h】

Free-standing planar thin-film thermoelectric microrefrigerators and the effects of thermal and electrical contact resistances

机译:独立式平面薄膜热电微型制冷机以及热和电接触电阻的影响

获取原文
获取原文并翻译 | 示例
           

摘要

Thermoelectric microrefrigerators provide an attractive solid-state solution for on-chip thermal management of microelectronics due to their unique advantages. Here we propose a free-standing planar design of thermoelectric microrefrigerator based on thin film technologies to address the high-performance on-chip cooling and compatibility with microelectronics fabrication. By combining theoretical modeling, numerical simulations and experiments, we conducted a comprehensive investigation of the steady-state and transient performances of the proposed microrefrigerators and various factors that might influence their performance, such as contact resistances, element geometries, convection and radiation, have been explored. Both thermal and contact resistances are found to be important for the cooling performance of the proposed microrefrigerators while they play different roles on the cold and hot sides of a refrigerator. The influence of contact resistances on the design strategies of a microrefrigerator is also discussed. It is demonstrated that microrefrigerators based on IC-compatible low-cost SiGe thin films can potentially achieve a cooling temperature more than 20 K with a response time shorter than 40 ms near room temperature, rendering them competitive against the state-of-the-art microrefrigerators based on toxic conventional heavy metal thermoelectrics such as Bi_2Te_3 and Sb_2Te_3.
机译:热电微制冷器由于其独特的优势而为微电子的片上热管理提供了一种有吸引力的固态解决方案。在这里,我们提出一种基于薄膜技术的热电微型制冷器的独立平面设计,以解决高性能的芯片上冷却以及与微电子制造的兼容性。通过将理论模型,数值模拟和实验相结合,我们对拟议的微型制冷机的稳态和瞬态性能进行了全面研究,并研究了可能影响其性能的各种因素,例如接触电阻,元件几何形状,对流和辐射。探索。发现热阻和接触电阻对于所提出的微制冷器的冷却性能都是重要的,而它们在冰箱的冷侧和热侧起着不同的作用。还讨论了接触电阻对微制冷机设计策略的影响。事实证明,基于与IC兼容的低成本SiGe薄膜的微制冷器可以潜在地实现超过20 K的冷却温度,并且在室温附近的响应时间短于40 ms,从而使其具有与最新技术相比的竞争力。基于有毒的传统重金属热电元件(例如Bi_2Te_3和Sb_2Te_3)的微型制冷器。

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