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Thermal radiative properties of metamaterials and other nanostructured materials: A review

Ceji FU, Zhuomin M. ZHANG

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 11-26 doi: 10.1007/s11708-009-0009-x

Abstract: investigations have been performed in recent years to understand the influence of microstructures on radiativeproperties, and other nanostructured materials, such as gratings and photonic crystals, for application in radiative

Keywords： metamaterial     nanostructured material     thermal radiative property     radiative energy transfer    

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A spectrally selective surface structure for combined photothermic conversion and radiative sky cooling

Bin ZHAO, Xianze AO, Nuo CHEN, Qingdong XUAN, Mingke HU, Gang PEI

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 882-888 doi: 10.1007/s11708-020-0694-z

Abstract: conceptually proposed and optically designed for the combination of photothermic conversion (PT) and nighttime radiative

Keywords： solar energy     photothermic conversion     radiative sky cooling     spectral selectivity     multilayer film    

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Entropy flow, entropy generation, exergy flux, and optimal absorbing temperature in radiative transfer

Zeshao CHEN, Songping MO, Peng HU, Shouli JIANG, Gang WANG, Xiaofang CHENG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 301-305 doi: 10.1007/s11708-010-0006-0

Abstract: Taking nonequilibrium radiative heat transfer between two surfaces as an example, the nonequilibriumthermodynamic analysis and optimization of solar energy utilization and can be applied in more complex radiative

Keywords： radiative heat transfer     entropy generation     exergy     thermodynamics    

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Modeling radiative effects of haze on summer-time convective precipitation over North China: a case study

Xuying WANG, Bin ZHANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0840-3

Abstract: We modeled the impact of haze radiative effects on precipitation in North China.Shortwave heating induced by haze radiative effects would reduce heavy rainfalls.The impact of haze radiative effect on summertime 24-h convective precipitation over North China wasThe haze radiative effect was represented by incorporating an idealized aerosol optical profile, withWe found that the shortwave heating induced by aerosol radiative effects would significantly reduce heavy

Keywords： Haze     Aerosol radiative effects     Convective precipitation    

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Radiative properties of materials with surface scattering or volume scattering: A review

Qunzhi ZHU, Hyunjin LEE, Zhuomin M. HANG

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 60-79 doi: 10.1007/s11708-009-0011-3

Abstract: Radiative properties of rough surfaces, particulate media and porous materials are important in thermalThe approach of using measured surface roughness statistics in Monte Carlo simulations to predict radiativeThe effects of various parameters on the radiative properties of particulate media and porous materials

Keywords： aerogel     fiber     particle scattering     radiative properties     soot     surface roughness    

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Near-field radiative thermoelectric energy converters: a review

Eric TERVO, Elham BAGHERISERESHKI, Zhuomin ZHANG

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 5-21 doi: 10.1007/s11708-017-0517-z

Abstract: Radiative thermoelectric energy converters, which include thermophotovoltaic cells, thermoradiative cells

Keywords： energy conversion systems     luminescent refrigeration     near-field radiation     thermophotovoltaic     thermoradiative cell    

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Challenge of global climate change: Prospects for a new energy paradigm

Michael B. MCELROY

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 1,   Pages 2-11 doi: 10.1007/s11783-010-0005-8

Abstract: Perspectives on the challenge posed by potential future climate change are presented including a discussion of prospects for carbon capture followed either by sequestration or reuse including opportunities for alternatives to the use of oil in the transportation sector. The potential for wind energy as an alternative to fossil fuel energy as a source of electricity is outlined including the related opportunities for cost effective curtailment of future growth in emissions of CO.

Keywords： climate change     carbon capture     wind     ethanol     CO2     radiative forcing    

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Photonic-Engineered Textiles with Butterfly-Mimetic Tertiary Micro/Nano Architectures for Superior Passive Radiative Article

Hongyu Guo, Tianye Niu, Jianyong Yu, Xueli Wang, Yang Si

Engineering 2023, Volume 31, Issue 12,   Pages 120-126 doi: 10.1016/j.eng.2023.07.019

Abstract:

People could potentially mitigate heat discomfort when outdoors by combining passive radiative coolingThe developed radiative cooling textiles (RCTs) demonstrate appropriate air–moisture permeability

Keywords： Biomimetic materials     Personal thermal management     Textiles     Passive radiative cooling    

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Determination and Division of Radiative Color Gamut in Primary-Color Method for Temperature Measurement

Wang Anquan,Cheng Xiaofang,Lu Shaosong

Strategic Study of CAE 2002, Volume 4, Issue 8,   Pages 54-57

Abstract: Based on the lineal model of spectral emissivity in the range of visible spectrum, the formulation of radiativeThe radiative color gamut is determined and divided into two components, the single-solution gamut and

Keywords： temperature measurement     primary-color method     color gamut     emissivity    

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Thermal performance of a single-layer packed metal pebble-bed exposed to high energy fluxes

Shengchun ZHANG, Zhifeng WANG, Hui BIAN, Pingrui HUANG

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 513-528 doi: 10.1007/s11708-019-0638-7

Abstract: It is difficult to accurately measure the temperature of the falling particle receiver since thermocouples may directly be exposed to the solar flux. This study analyzes the thermal performance of a packed bed receiver using large metal spheres to minimize the measurement error of particle temperature with the sphere temperature reaching more than 700°C in experiments in a solar furnace and a solar simulator. The numerical models of a single sphere and multiple spheres are verified by the experiments. The multiple spheres model includes calculations of the external incidence, view factors, and heat transfer. The effects of parameters on the temperature variations of the spheres, the transient thermal efficiency, and the temperature uniformity are investigated, such as the ambient temperature, particle thermal conductivity, energy flux, sphere diameter, and sphere emissivity. When the convection is not considered, the results show that the sphere emissivity has a significant influence on the transient thermal efficiency and that the temperature uniformity is strongly affected by the energy flux, sphere diameter, and sphere emissivity. As the emissivity increases from 0.5 to 0.9, the transient thermal efficiency and the average temperature variance increase from 53.5% to 75.7% and from 14.3% to 27.1% at 3.9 min, respectively. The average temperature variance decreases from 29.7% to 9.3% at 2.2 min with the sphere diameter increasing from 28.57 mm to 50 mm. As the dimensionless energy flux increases from 0.8 to 1.2, the average temperature variance increases from 13.4% to 26.6% at 3.4 min.

Keywords： packed bed     solar thermal power plants     high heat fluxes     radiative heat transfer    

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Photothermal-Management Agricultural Films toward Industrial Planting: Opportunities and Challenges

Song Zhang,Zhang Chen,Chuanxiang Cao,Yuanyuan Cui,Yanfeng Gao,

Engineering doi: 10.1016/j.eng.2023.06.016

Abstract: requirements of crops and ways to meet these requirements, including new materials based on passive radiative

Keywords： Greenhouse     Photothermal management     Passive radiative cooling     Light scattering    

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Global sources, emissions, transport and deposition of dust and sand and their effects on the climate and environment: a review

Feng Wang, Xueqiu Zhao, Cynthia Gerlein-Safdi, Yue Mu, Dongfang Wang, Qi Lu

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 1, doi: 10.1007/s11783-017-0904-z

Abstract: Dust and Sand Storms (DSS) originating in deserts in arid and semi-arid regions are events raising global public concern. An important component of atmospheric aerosols, dust aerosols play a key role in climatic and environmental changes at the regional and the global scale. Deserts and semi-deserts are the main source of dust and sand, but regions that undergo vegetation deterioration and desertification due to climate change and human activities also contribute significantly to DSS. Dust aerosols are mainly composed of dust particles with an average diameter of 2 m, which can be transported over thousands of kilometers. Dust aerosols influence the radiation budget of the earth-atmosphere system by scattering solar short-wave radiation and absorbing surface long-wave radiation. They can also change albedo and rainfall patterns because they can act as cloud condensation nuclei (CCN) or ice nuclei (IN). Dust deposition is an important source of both marine nutrients and contaminants. Dust aerosols that enter marine ecosystems after long-distance transport influence phytoplankton biomass in the oceans, and thus global climate by altering the amount of CO absorbed by phytoplankton. In addition, the carbonates carried by dust aerosols are an important source of carbon for the alkaline carbon pool, which can buffer atmospheric acidity and increase the alkalinity of seawater. DSS have both positive and negative impacts on human society: they can exert adverse impacts on human’s living environment, but can also contribute to the mitigation of global warming and the reduction of atmospheric acidity.

Keywords： Dust and sand storm     Climate effects     Radiative forcing     Cloud condensation nuclei     Precipitation     Iron fertilizer    

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Bifunctional Asymmetric Fabric with Tailored Thermal Conduction and Radiation for Personal Cooling and Warming Article

Yucan Peng, Hiang Kwee Lee, David S. Wu, Yi Cui

Engineering 2022, Volume 10, Issue 3,   Pages 167-173 doi: 10.1016/j.eng.2021.04.016

Abstract:

Personal thermal management is emerging as a promising strategy to provide thermal comfort for the human body while conserving energy. By improving control over the heat dissipating from the human body, personal thermal management can provide effective personal cooling and warming. Here, we propose a facile surface modification approach to tailor the thermal conduction and radiation properties based on commercially available fabric, to realize better management of the whole heat transport pathway from the human body to the ambient. A bifunctional asymmetric fabric (BAF) offering both a cooling and a warming effect is demonstrated. Due to the advantages of roughness asymmetry and surface modification, the BAF demonstrates an effective cooling effect through enhanced heat conduction and radiation in the cooling mode; in the warming mode, heat dissipation along both routes is reduced for personal warming. As a result, a 4.6 °C skin temperature difference is measured between the cooling and warming BAF modes, indicating that the thermal comfort zone of the human body can be enlarged with one piece of BAF clothing. We expect this work to present new insights for the design of personal thermal management textiles as well as a novel solution for the facile modification of available fabrics for both personal cooling and warming.

Keywords： Textiles     Personal thermal management     Bifunctional asymmetric fabric     Heat conduction     Radiative heat    

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Title Author Date Type Operation

Thermal radiative properties of metamaterials and other nanostructured materials: A review

Ceji FU, Zhuomin M. ZHANG

Journal Article

A spectrally selective surface structure for combined photothermic conversion and radiative sky cooling

Bin ZHAO, Xianze AO, Nuo CHEN, Qingdong XUAN, Mingke HU, Gang PEI

Journal Article

Entropy flow, entropy generation, exergy flux, and optimal absorbing temperature in radiative transfer

Zeshao CHEN, Songping MO, Peng HU, Shouli JIANG, Gang WANG, Xiaofang CHENG,

Journal Article

Modeling radiative effects of haze on summer-time convective precipitation over North China: a case study

Xuying WANG, Bin ZHANG

Journal Article

Radiative properties of materials with surface scattering or volume scattering: A review

Qunzhi ZHU, Hyunjin LEE, Zhuomin M. HANG

Journal Article

Near-field radiative thermoelectric energy converters: a review

Eric TERVO, Elham BAGHERISERESHKI, Zhuomin ZHANG

Journal Article

Challenge of global climate change: Prospects for a new energy paradigm

Michael B. MCELROY

Journal Article

Photonic-Engineered Textiles with Butterfly-Mimetic Tertiary Micro/Nano Architectures for Superior Passive Radiative

Hongyu Guo, Tianye Niu, Jianyong Yu, Xueli Wang, Yang Si

Journal Article

Determination and Division of Radiative Color Gamut in Primary-Color Method for Temperature Measurement

Wang Anquan,Cheng Xiaofang,Lu Shaosong

Journal Article

Thermal performance of a single-layer packed metal pebble-bed exposed to high energy fluxes

Shengchun ZHANG, Zhifeng WANG, Hui BIAN, Pingrui HUANG

Journal Article

Photothermal-Management Agricultural Films toward Industrial Planting: Opportunities and Challenges

Song Zhang,Zhang Chen,Chuanxiang Cao,Yuanyuan Cui,Yanfeng Gao,

Journal Article

Global sources, emissions, transport and deposition of dust and sand and their effects on the climate and environment: a review

Feng Wang, Xueqiu Zhao, Cynthia Gerlein-Safdi, Yue Mu, Dongfang Wang, Qi Lu

Journal Article

Bifunctional Asymmetric Fabric with Tailored Thermal Conduction and Radiation for Personal Cooling and Warming

Yucan Peng, Hiang Kwee Lee, David S. Wu, Yi Cui

Journal Article