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个人信息Personal Information
教授 博士生导师
招生学科专业：
动力工程及工程热物理 -- 【招收博士、硕士研究生】 -- 能源与动力学院
航空宇航科学与技术 -- 【招收博士、硕士研究生】 -- 能源与动力学院
能源动力 -- 【招收博士、硕士研究生】 -- 能源与动力学院
主要任职：飞行器热管理与能量利用工信部重点实验室主任
毕业院校：美国佐治亚理工学院（Georgia Institute of Technology）
学历：美国佐治亚理工学院
学位：工学博士学位
所在单位：能源与动力学院
电子邮箱：
Ultrahigh thermal rectification based on near-field thermal radiation between dissimilar nanoparticles
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所属单位：能源与动力学院
发表刊物：J. Quant. Spectrosc. Radiat. Transf.
摘要：The capability of manipulating heat flux at the nanoscale has many promising applications in modern electronics and information processing industries. In this paper, a design to achieve ultrahigh thermal rectification is proposed based on near-field thermal radiation between nanoparticles made of intrinsic silicon and a dissimilar material. A record-high rectification ratio of more than 104 is theoretically demonstrated, and the underlying mechanism lies in the prominent increase of imaginary part of dielectric function of intrinsic silicon induced by thermally excited electrons at high temperatures. Effects of gap distances, materials and configurations of nanoparticles on the rectification ratio are also investigated. This work may pave the way for the design of efficient thermal diodes, thermal transistors, and other thermotronics devices. © 2019
ISSN号：0022-4073
是否译文：否
发表时间：2019-09-01
合写作者：Wen, Shizheng,Cheng, Sheng,Wang, Zhoubing,Zhang, Shenghao,Dang, Chunzhuo
通讯作者：刘向雷