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Transparent Thermally Tunable Microwave Absorber Prototype Based on Patterned VO2 Film Article

Zhengang Lu, Yilei Zhang, Heyan Wang, Chao Xia, Yunfei Liu, Shuliang Dou, Yao Li, Jiubin Tan

Engineering 2023, Volume 29, Issue 10,   Pages 198-206 doi: 10.1016/j.eng.2022.10.005

Abstract: transparent, and thermally tunable microwave absorber is proposed, based on a patterned vanadium dioxide (VO2) film.Numerical calculations and experiments demonstrate that the proposed VO2 absorber has a highAdjusting only the patterned VO2 film duty cycle can change the temperature of near-unityOur VO2 absorber has a simple composition, a high optical transmittance, a thermally tunable

Keywords： Tunable microwave absorber     VO2 film     Optical transparent     Near unity absorption     Large modulation    

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Simultaneous removal of NO and chlorobenzene on VO/TiO granular catalyst: Kinetic study and performance

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1363-5

Abstract:

• A V2O5/TiO2 granular catalyst for

Keywords： sub>x     Chlorobenzene     Simultaneous removal     Kinetic study     Performance prediction     V2O5/TiO2     Graphical abstract    

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Engineering the electronic and geometric structure of VO/BN@TiO heterostructure for efficient aerobic

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 276-287 doi: 10.1007/s11705-022-2242-3

Abstract: Herein, a series of highly-efficient VOx/boron nitride nanosheets (BNNS)@TiO2VOroles in the catalytic aerobic ODS of VOx/BNNS@TiO2 catalysts and thatVOx/BNNS@TiO2-2 exhibits the highest ODS activity with 93.7% DBT conversiontemperature of 130 °C and oxygen flow rate of 200 mL·min–1, which is due to its optimal VO

Keywords： oxidative desulfurization     boron nitride     vanadium     MXene     intercalation confinement    

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Advances in Cost-Efficient Thin-Film Photovoltaics Based on Cu(In,Ga)Se2

Michael Powalla, Stefan Paetel, Dimitrios Hariskos, Roland Wuerz, Friedrich Kessler, Peter Lechner, Wiltraud Wischmann, Theresa Magorian Friedlmeier

Engineering 2017, Volume 3, Issue 4,   Pages 445-451 doi: 10.1016/J.ENG.2017.04.015

Abstract:

In this article, we discuss the leading thin-film photovoltaic (PV) technology based on the Cu(In,Ga)Se2 (CIGS) compound semiconductor.

Keywords： Thin-film photovoltaics     Solar energy     Flexible     Cu(InGa)Se2    

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Construction of nitrogen-doped carbon cladding LiMnO film electrode with enhanced stability for electrochemically

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2050-2060 doi: 10.1007/s11705-023-2343-7

Abstract: Reducing the dissolution of Mn from LiMn2O4 (LMO) and enhancing the stability ofcladding LMO (C-N@LMO) by polymerization of polypyrrole and high-temperature annealing in the N2film electrode.The dissolution ratio of Mn from the C-N@LMO film electrode decreased by 42% compared to the LMO filmseparation factor was 118.38 for Li+ toward Mg2+ in simulated brine.

Keywords： LiMn2O4     lithium extraction     surface coating     cyclic stability     Mn dissolution    

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Preparation of lignin/TiO2 nanocomposites and their application in aqueous polyurethane coatings

Dongjie Yang, Shengyu Wang, Ruisheng Zhong, Weifeng Liu, Xueqing Qiu

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 59-69 doi: 10.1007/s11705-018-1712-0

Abstract: The composite WPU hybrid film containing 6 wt-% LQAS/TiO nanocomposite had the highest visible lightAfter 192 h of UV light irradiation, the tensile strength of the composite film was above 8 MPa and the

Keywords： lignin     TiO2     nanocomposite particle     polyurethane film    

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A wind tunnel study on control methods for cable dry-galloping

VO,Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 72-80 doi: 10.1007/s11709-015-0309-7

Abstract: The common vibration of cable caused by rain-wind combination has been known as most typical type and a lot kind of its countermeasures has been proposed for suppressing this phenomenon. Recently, stayed-cables were also proved that they could be excited in dry state (without rain), which is called dry-galloping. Recently, its mechanisms have been explained by axial flow, Reynolds number and so on. To clarify the characteristics of this galloping, wind tunnel test of a cable model with various kinds of wind angle was conducted. Then, three types of countermeasure were examined to suppress dry- galloping of bridge cable. The tests confirmed that the occurrence of dry-galloping depends on relative wind attacked angles and onset reduced wind speed. Furthermore, single spiral wire, double spiral wire and circular ring were found to have high effectiveness in mitigating this galloping when those are installed properly.

Keywords： dry-galloping     wind-relative angle     single spiral wire     double spiral wire     circular rings    

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Synthesis of cobalt vanadium nanomaterials for efficient electrocatalysis of oxygen evolution

Meifeng Hao, Mingshu Xiao, Lihong Qian, Yuqing Miao

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 409-416 doi: 10.1007/s11705-017-1689-0

Abstract: 4)2-I, Co3(VO4)2-II, and Co3(VO4)2-III, respectively.Transmission electron microscope shows Co3(VO4)2-I, II, and III existThese Co3(VO4)2 catalysts exhibit OER electrocatalysis, among whichthe Co3(VO4)2-II shows the lowest onset overpotential of 310 mV and

Keywords： Co3(VO4)2     oxygen evolution reaction     electrocatalyst     water splitting    

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Dual cross-linked MXene/cellulose nanofiber/nickel alginate film with improved mechanical properties

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1460-1469 doi: 10.1007/s11705-023-2335-7

Abstract: strength, Young’s modulus, and toughness of the MXene/cellulose nanofiber/nickel alginate composite filmare reduced to nickel nanoparticles and uniformly dispersed within the highly conductive composite filmConsequently, the MXene/cellulose nanofiber/nickel alginate-Ni composite film presents a considerably

Keywords： Ti3C2Tx MXene     double crosslinking     mechanical properties     EMI    

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Numerical simulation of liquid falling film on horizontal circular tubes

Fengdan SUN, Songlin XU, Yongchuan GAO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 322-328 doi: 10.1007/s11705-012-1296-z

Abstract: The objective of this study is to investigate numerically the flow characteristics of falling film onNumerical simulations are performed using FLUENT for 2D configurations with one and two cylinders.The volume of fluid method is used to track the motion of liquid falling film and the gas-liquid interfacedistributions of the upper and lower parts of the tube are not strictly symmetric and non-uniform, 2)the film thickness depends on flow rate and angular distributions, 3) the flow characteristics of the

Keywords： falling film     horizontal tube     flow characteristics     film thickness     liquid feeder height    

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Photocatalytic degradation of the acetaminophen by nanocrystal-engineered TiO

Reza Katal, Mohammad Tanhaei, Jiangyong Hu

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1319-9

Abstract: Abstract • Photocatalytic activity was improved in TiO2 thin film by rapid thermal annealing. • Photoreactorwas designed for TiO2 thin film. • Considerable reusability and durability of prepared photocatalystsIn the current study, TiO2 thin film photocatalysts were designed by nanocrystal engineering and fabricatedThe annealing effects on the crystallinity and photocatalytic activity of the TiO2 film were completelywas decreased with the increase of flow rate because the higher flow rate caused to form the thicker film

Keywords： Acetaminophen     TiO2     Thin film     Batch     Continuous    

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Experiment and optimal design of a collection device for a residual plastic film baler

Qi NIU,Xuegeng CHEN,Chao JI,Jie WU

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 347-354 doi: 10.15302/J-FASE-2015077

Abstract: It is imperative to carry out research on residual plastic film collection technology to solve the seriousThe residual plastic film baler was designed as a package for film strip collection, cleaning and balingand the impurity of film package.The results show that the factors affecting the collection rate of residual film and the impurity ofwas 88.9% and the impurity of residual film package was 14.2% for the baler.

Keywords： residual film     collection device     collection rate of residual film     impurity of film package     optimization    

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Retrospect and Prospect of Study on Thin Film Lubrication

Ge Jianbin,Zhang Chaohui,Wen Shizhu

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 84-89

Abstract:

Thin film lubrication (TFL) has been well studied as a new lubrication regime since the 90s of lastof TFL, which involves the origin of the TFL concept, advancement of measuring technique, TFL's film-forming

Keywords： thin film lubrication     ordered film     film thickness measurement     microstructure    

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Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 141-151 doi: 10.1007/s11708-009-0020-2

Abstract: regions: a nonevaporating region, where the liquid is adsorbed on the wall; a transition region or thin-filmThe thin liquid film, with thickness from nanometers up to micrometers, covering the transition regionIn this paper, a review was made of the researches on thin-liquid-film evaporation.The major characteristics of thin film, thin-film modeling based on continuum theory, simulations basedon molecular dynamics, and thin-film profile and temperature measurements were summarized.

Keywords： meniscus     thin film     contact line     disjoining pressure     evaporation    

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Free vibration analysis of laminated FG-CNT reinforced composite beams using finite element method

VO-DUY, V. HO-HUU, T. NGUYEN-THOI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 324-336 doi: 10.1007/s11709-018-0466-6

Abstract: In the present study, the free vibration of laminated functionally graded carbon nanotube reinforced composite beams is analyzed. The laminated beam is made of perfectly bonded carbon nanotubes reinforced composite (CNTRC) layers. In each layer, single-walled carbon nanotubes are assumed to be uniformly distributed (UD) or functionally graded (FG) distributed along the thickness direction. Effective material properties of the two-phase composites, a mixture of carbon nanotubes (CNTs) and an isotropic polymer, are calculated using the extended rule of mixture. The first-order shear deformation theory is used to formulate a governing equation for predicting free vibration of laminated functionally graded carbon nanotubes reinforced composite (FG-CNTRC) beams. The governing equation is solved by the finite element method with various boundary conditions. Several numerical tests are performed to investigate the influence of the CNTs volume fractions, CNTs distributions, CNTs orientation angles, boundary conditions, length-to-thickness ratios and the numbers of layers on the frequencies of the laminated FG-CNTRC beams. Moreover, a laminated composite beam combined by various distribution types of CNTs is also studied.

Keywords： free vibration analysis     laminated FG-CNTRC beam     finite element method     first-order shear deformation theory     composite material    

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Title Author Date Type Operation

Transparent Thermally Tunable Microwave Absorber Prototype Based on Patterned VO2 Film

Zhengang Lu, Yilei Zhang, Heyan Wang, Chao Xia, Yunfei Liu, Shuliang Dou, Yao Li, Jiubin Tan

Journal Article

Simultaneous removal of NO and chlorobenzene on VO/TiO granular catalyst: Kinetic study and performance

Journal Article

Engineering the electronic and geometric structure of VO/BN@TiO heterostructure for efficient aerobic

Journal Article

Advances in Cost-Efficient Thin-Film Photovoltaics Based on Cu(In,Ga)Se2

Michael Powalla, Stefan Paetel, Dimitrios Hariskos, Roland Wuerz, Friedrich Kessler, Peter Lechner, Wiltraud Wischmann, Theresa Magorian Friedlmeier

Journal Article

Construction of nitrogen-doped carbon cladding LiMnO film electrode with enhanced stability for electrochemically

Journal Article

Preparation of lignin/TiO2 nanocomposites and their application in aqueous polyurethane coatings

Dongjie Yang, Shengyu Wang, Ruisheng Zhong, Weifeng Liu, Xueqing Qiu

Journal Article

A wind tunnel study on control methods for cable dry-galloping

VO,Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO

Journal Article

Synthesis of cobalt vanadium nanomaterials for efficient electrocatalysis of oxygen evolution

Meifeng Hao, Mingshu Xiao, Lihong Qian, Yuqing Miao

Journal Article

Dual cross-linked MXene/cellulose nanofiber/nickel alginate film with improved mechanical properties

Journal Article

Numerical simulation of liquid falling film on horizontal circular tubes

Fengdan SUN, Songlin XU, Yongchuan GAO

Journal Article

Photocatalytic degradation of the acetaminophen by nanocrystal-engineered TiO

Reza Katal, Mohammad Tanhaei, Jiangyong Hu

Journal Article

Experiment and optimal design of a collection device for a residual plastic film baler

Qi NIU,Xuegeng CHEN,Chao JI,Jie WU

Journal Article

Retrospect and Prospect of Study on Thin Film Lubrication

Ge Jianbin,Zhang Chaohui,Wen Shizhu

Journal Article

Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Journal Article

Free vibration analysis of laminated FG-CNT reinforced composite beams using finite element method

VO-DUY, V. HO-HUU, T. NGUYEN-THOI

Journal Article