Thermal Rectification Enabled by Nanoscale Radiative Heat Transfer
纳米级辐射传热实现热整流
基本信息
- 批准号:1235975
- 负责人:
- 金额:$ 25.2万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2012
- 资助国家:美国
- 起止时间:2012-08-15 至 2016-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
CBET-1235975PI: ZhangSolid-state thermal rectifiers have received much attention in recent years, because controlling the direction of heat flow is critically important for thermal management and energy-harvesting applications. While most solid-state thermal rectifiers are based on the nonlinear phononic, electronic or mechanical properties of materials near the interfaces, a photonic device may be advantageous for obtaining large rectification factors over a broad temperature range. It has been shown that near-field thermal radiation can achieve a heat flux exceeding that predicted by the Stefan-Boltzmann law, which is the conventional limit set forth by Planck's blackbody radiation theory. Much attention has been paid to this research area lately, due to its promising applications in near-field sensing and thermal imaging, nanomanufacturing, and thermophotovoltaic devices. This project will use dissimilar materials with temperature-dependent dielectric functions to enhance vacuum thermal rectification. An innovative aspect of this research is the use of polymer pads to create sub-micrometer vacuum gaps with reduced heat conduction. This will allow the unambiguous determination of near-field radiative transfer through large areas. Measurements of the spectral radiative properties of promising materials at elevated temperatures will also be performed to elucidate the underlying mechanisms of thermal rectification mediated by nanoscale radiative heat transfer. Measurements of nanoscale thermal radiation between large areas remain a daunting challenge. This research will provide an experimental demonstration of a vacuum thermal rectifier. The study of the radiative properties at high temperatures and how they can affect near-field radiative transfer will enable a deeper understanding of photon-matter interactions. The success of this research will facilitate a number of other applications that use near-field thermal radiation, including near-field thermophotovoltaic systems for energy harvesting. Both theoretical and experimental advances are expected to result from this project. The research findings will be broadly disseminated to multidisciplinary journals and conferences. This project will make a significant impact on engineering education. Students working on this project will gain knowledge in the fundamental theory of thermal radiation as well as experience in micro/nanofabrication and thermal/optical instrumentation. Underrepresented students will be actively recruited to participate in this research as well as encouraged to pursue advanced engineering degrees. Furthermore, the research results will be integrated in a new graduate textbook on thermal radiation.
固态热整流器近年来受到了广泛的关注,因为控制热流的方向对于热管理和能量收集应用至关重要。虽然大多数固态热整流器都是基于界面附近材料的非线性声子、电子或机械性能,但光子器件可能有利于在宽温度范围内获得大的整流系数。研究表明,近场热辐射可以达到超过斯特凡-玻尔兹曼定律所预测的热通量,这是普朗克黑体辐射理论所规定的常规极限。近年来,由于其在近场传感和热成像、纳米制造和热光伏器件等方面的应用前景广阔,引起了人们的广泛关注。本项目将使用具有温度相关介电功能的不同材料来增强真空热整流。这项研究的一个创新方面是使用聚合物垫来创造亚微米级的真空间隙,减少了热传导。这将使通过大面积近场辐射传输的明确测定成为可能。研究人员还将对有前途的材料在高温下的光谱辐射特性进行测量,以阐明由纳米尺度辐射传热介导的热精流的潜在机制。测量大面积之间的纳米级热辐射仍然是一个艰巨的挑战。本研究将提供真空热整流器的实验演示。研究高温下的辐射特性以及它们如何影响近场辐射传输将使人们对光子-物质相互作用有更深入的了解。这项研究的成功将促进使用近场热辐射的许多其他应用,包括用于能量收集的近场热光伏系统。预计该项目将在理论和实验方面取得进展。研究结果将广泛分发给多学科期刊和会议。这个项目将对工程教育产生重大影响。参与本项目的学生将获得热辐射的基本理论知识,以及微/纳米制造和热/光学仪器的经验。我们将积极招募未被充分代表的学生参与这项研究,并鼓励他们攻读高级工程学位。此外,研究成果将被纳入新的热辐射研究生教材。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Zhuomin Zhang其他文献
Advance on the sample preparation and analytical methods for water disinfection byproducts
水消毒副产物样品制备与分析方法研究进展
- DOI:
10.1016/j.trac.2024.117670 - 发表时间:
2024-05-01 - 期刊:
- 影响因子:12.000
- 作者:
Hanbing Huang;Xueyun Wei;Shouhui Weng;Zhuomin Zhang;Gongke Li - 通讯作者:
Gongke Li
Radiative Properties of Ceramic $$\hbox {Al}_{2}\hbox {O}_{3}$$ , AlN and $$\hbox {Si}_{3}\hbox {N}_{4}$$ —II: Modeling
- DOI:
10.1007/s10765-017-2259-x - 发表时间:
2017-06-09 - 期刊:
- 影响因子:2.900
- 作者:
Peiyan Yang;Qiang Cheng;Zhuomin Zhang - 通讯作者:
Zhuomin Zhang
Acylhydrazone bond dynamic covalent polymer gel monolithic column online coupling to high-performance liquid chromatography for analysis of sulfonamides and fluorescent whitening agents in food
酰腙键动态共价聚合物凝胶整体柱与高效液相色谱在线耦合用于食品中磺胺类和荧光增白剂的分析
- DOI:
10.1016/j.chroma.2017.09.002 - 发表时间:
2017 - 期刊:
- 影响因子:4.1
- 作者:
Chengjiang Zhang;Xialin Luo;Tianfu Wei;Yufei Hu;Gongke Li;Zhuomin Zhang - 通讯作者:
Zhuomin Zhang
Programmable and rapid fabrication of complex-shape ceramics
复杂形状陶瓷的可编程快速制造
- DOI:
10.1038/s41467-024-54393-w - 发表时间:
2024-11-18 - 期刊:
- 影响因子:15.700
- 作者:
Yao Shan;Xuemu Li;Wanjun Zhao;Xiaodan Yang;Yuanyi Wang;Zhuomin Zhang;Shiyuan Liu;Xiaote Xu;Zhengbao Yang - 通讯作者:
Zhengbao Yang
A natural selenium polysaccharide from emPleurotus ostreatus/em: Structural elucidation, anti-gastric cancer and anti-colon cancer activity emin vitro/em
一种来自糙皮侧耳的天然硒多糖:体外结构解析、抗胃癌和抗结肠癌活性
- DOI:
10.1016/j.ijbiomac.2022.01.101 - 发表时间:
2022-03-15 - 期刊:
- 影响因子:8.500
- 作者:
Yunshan Zhang;Zhuomin Zhang;Hui Liu;De Wang;Jiahui Wang;Meng Liu;Yanjing Yang;Shian Zhong - 通讯作者:
Shian Zhong
Zhuomin Zhang的其他文献
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{{ truncateString('Zhuomin Zhang', 18)}}的其他基金
Polarization-dependent thermal emission from plasmonic metasurfaces
等离子体超表面的偏振相关热发射
- 批准号:
2029892 - 财政年份:2020
- 资助金额:
$ 25.2万 - 项目类别:
Standard Grant
Combining 2D Materials with 3D Nanostructures to Control Thermal Radiation
将 2D 材料与 3D 纳米结构相结合来控制热辐射
- 批准号:
1603761 - 财政年份:2016
- 资助金额:
$ 25.2万 - 项目类别:
Standard Grant
Conference Support for the Second International Workshop on Nano-Micro Thermal Radiation (NanoRad2014), June 6-9, 2014 in Shanghai, China
第二届纳米微热辐射国际研讨会 (NanoRad2014) 会议支持,2014 年 6 月 6-9 日在中国上海举行
- 批准号:
1445442 - 财政年份:2014
- 资助金额:
$ 25.2万 - 项目类别:
Standard Grant
Conference: 3rd Micro/Nanoscale Heat & Mass Transfer International Conference, Atlanta, GA, on March 3-6, 2012
会议:第三届微/纳米热
- 批准号:
1152129 - 财政年份:2011
- 资助金额:
$ 25.2万 - 项目类别:
Standard Grant
Investigation of Electromagnetic Metamaterials for Controlling Thermal Emission and Absorption
用于控制热发射和吸收的电磁超材料研究
- 批准号:
0828701 - 财政年份:2008
- 资助金额:
$ 25.2万 - 项目类别:
Standard Grant
Integration and Commercialization of Micro and Nano Systems International Conference
微纳系统集成与商业化国际会议
- 批准号:
0813718 - 财政年份:2008
- 资助金额:
$ 25.2万 - 项目类别:
Standard Grant
Development of Wavelength Selective Emitters and Absorbers with Microfabricated Complex Gratings
微加工复杂光栅波长选择性发射器和吸收器的开发
- 批准号:
0500113 - 财政年份:2005
- 资助金额:
$ 25.2万 - 项目类别:
Standard Grant
PECASE: Spectral Directional Radiative Properties of Rough Si at Elevated Temperatures
PECASE:高温下粗硅的光谱定向辐射特性
- 批准号:
0236831 - 财政年份:2002
- 资助金额:
$ 25.2万 - 项目类别:
Continuing Grant
PECASE: Spectral Directional Radiative Properties of Rough Si at Elevated Temperatures
PECASE:高温下粗硅的光谱定向辐射特性
- 批准号:
9875441 - 财政年份:1999
- 资助金额:
$ 25.2万 - 项目类别:
Continuing Grant
Thermo-Optical Response of High-Temperature Superconducting Films
高温超导薄膜的热光响应
- 批准号:
9812027 - 财政年份:1998
- 资助金额:
$ 25.2万 - 项目类别:
Continuing Grant
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