材料科学
多物理
微通道
氮化物
热导率
微型热交换器
陶瓷
热交换器
传热
制作
散热片
复合材料
铝
机械工程
板式换热器
纳米技术
热力学
结构工程
有限元法
图层(电子)
工程类
病理
替代医学
物理
医学
作者
Mehdi Fattahi,Kourosh Vaferi,Mohammad Vajdi,Farhad Sadegh Moghanlou,Abbas Sabahi Namini,Mehdi Shahedi Asl
标识
DOI:10.1016/j.ceramint.2020.01.195
摘要
Advances in micro electro mechanical systems (MEMS) necessitate utilizing efficient types of materials which are capable of dissipating high heat transfer rates. Aluminum nitride (AlN) as a member of advanced ceramics family, offers remarkable thermal conductivity which makes it suitable candidate in manufacturing of special and high-tech heat exchangers. The present work aims to investigate the application of a micro-sized heat exchanger made of AlN. According to the performed numerical simulations using Comsol Multiphysics, AlN made heat exchanger showed remarkable heat transfer enhancement of 59%, compared to the Al2O3 made one. Such a considerable improvement can be attributed to the higher thermal conductivity of AlN in comparison with Al2O3. The effectiveness of the heat exchangers were calculated for both AlN and Al2O3 made heat exchangers, and a 26% improvement was observed using aluminum nitride.
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