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Study of Scattering Characteristic of Fire Smoke Based on Mie Theory

Shu Xueming,Fang Jun,Shao Quan,Yuan Hongyong

Strategic Study of CAE 2005, Volume 7, Issue 1,   Pages 45-49

Abstract:

The scattering characteristic of fire smoke is a major aspect in fire smoke detection foundamentalBased on Mie scattering theory, the paper presented some research on comparison between different algorithmsAn improved algorithm was adopted to calculate the scattering intensity and its distribution in all directionsIt can be concluded that the relative ratio of scattering intensity is an important parameter for certain

Keywords： fire smoke     Mie scattering     algorithm     relative ratio of scattering intensity    

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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: In this paper, recent research on scattering of thermal radiation by rough surfaces, fibrous insulationRigorous solutions and approximation methods for surface scattering and volume scattering are described

Keywords： aerogel     fiber     particle scattering     radiative properties     soot     surface roughness    

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Effect of light scattering on the performance of a direct absorption solar collector

Kwang Hyun WON, Bong Jae LEE

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 169-177 doi: 10.1007/s11708-018-0527-5

Abstract: Most of the existing studies have neglected particle scattering by assuming that the size of nanoparticlesuspension is much smaller than the wavelength of solar radiation (i.e., Rayleigh scattering is applicableTherefore, for the DASC utilizing a plasmonic nanofluid supporting the LSP, light scattering from metallicThe present study investigates the scattering effect on the thermal performance of the DASC employingIt is found that the light scattering can improve the collector performance if the scattering coefficient

Keywords： direct absorption solar collector     plasmonic nanofluid     light scattering    

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De-scattering and edge-enhancement algorithms for underwater image restoration Research Papers

Pan-wang PAN, Fei YUAN, En CHENG

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 6,   Pages 862-871 doi: 10.1631/FITEE.1700744

Abstract: Restoration can be divided into two stages: de-scattering and edge enhancement.First, we introduce a multi-scale iterative framework for underwater image de-scattering, where a convolutional

Keywords： Image de-scattering     Edge enhancement     Convolutional neural network     Non-subsampled contourlet transform    

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Application of Wavelet Transform to Acoustic Radiation and Scattering

Wen Lihua,Ren Xingmin

Strategic Study of CAE 2002, Volume 4, Issue 8,   Pages 63-68

Abstract: In this paper, the new wavelet approaches have been presented for solving acoustic radiation and scattering

Keywords： wavelet analysis     acoustic radiation and scattering     structural-acoustic coupling     frequency iteration    

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Molecular diffusion in ternary poly(vinyl alcohol) solutions

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 1003-1016 doi: 10.1007/s11705-021-2121-3

Abstract: glycerol, and surfactants was investigated using fluorescence correlation spectroscopy and dynamic light scattering

Keywords： correlation spectroscopy     poly(vinyl alcohol)     anomalous diffusion     crowding effects     dynamic light scattering    

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Shape reconstruction of parallelogram flaw

ZHENG Gangfeng, WU Bin, HE Cunfu

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 17-22 doi: 10.1007/s11465-008-0015-4

Abstract: scatterer in elastic media, the authors deduce the Born approximation solution of the two-dimensional scattering

Keywords： approximation     scatterer     scattering problem     information     inverse    

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SERS nanoprobes for bio-application

Han-Wen Cheng,Jin Luo,Chuan-Jian Zhong

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 4,   Pages 428-441 doi: 10.1007/s11705-015-1536-0

Abstract: this article will focus on the nanoproble-enhanced colorimetric detection and surface enhanced Raman scattering

Keywords： surface-enhanced Raman scattering     functional nanoprobes     bio-conjugation     metal nanoparticles     magnetic    

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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: ways to meet these requirements, including new materials based on passive radiative cooling and light scattering

Keywords： Greenhouse     Photothermal management     Passive radiative cooling     Light scattering    

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Multi-functional 3D N-doped TiO

Zijian Cui, Kaiyue Zhang, Guangyu Xing, Yaqing Feng, Shuxian Meng

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 395-404 doi: 10.1007/s11705-017-1643-1

Abstract: single-step solvothermal method and the sample treated for 15 h (hereafter called TMF) was then used as scatteringphotoanode films with different internal structures were fabricated by printing different numbers of TMF scattering

Keywords： DSSCs     N doping     scattering layer     electron lifetime    

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Largely reduced cross-plane thermal conductivity of nanoporous In

Dongchao XU, Quan WANG, Xuewang WU, Jie ZHU, Hongbo ZHAO, Bo XIAO, Xiaojia WANG, Xiaoliang WANG, Qing HAO

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 127-136 doi: 10.1007/s11708-018-0519-5

Abstract: In recent year, nanoporous Si thin films have been widely studied for their potential applications in thermoelectrics, in which high thermoelectric performance can be obtained by combining both the dramatically reduced lattice thermal conductivity and bulk-like electrical properties. Along this line, a high thermoelectric figure of merit (ZT) is also anticipated for other nanoporous thin films, whose bulk counterparts possess superior electrical properties but also high lattice thermal conductivities. Numerous thermoelectric studies have been carried out on Si-based nanoporous thin films, whereas cost-effective nitrides and oxides are not systematically studied for similar thermoelectric benefits. In this work, the cross-plane thermal conductivities of nanoporous In Ga N thin films with varied porous patterns were measured with the time-domain thermoreflectance technique. These alloys are suggested to have better electrical properties than conventional Si Ge alloys; however, a high ZT is hindered by their intrinsically high lattice thermal conductivity, which can be addressed by introducing nanopores to scatter phonons. In contrast to previous studies using dry-etched nanopores with amorphous pore edges, the measured nanoporous thin films of this work are directly grown on a patterned sapphire substrate to minimize the structural damage by dry etching. This removes the uncertainty in the phonon transport analysis due to amorphous pore edges. Based on the measurement results, remarkable phonon size effects can be found for a thin film with periodic 300-nm-diameter pores of different patterns. This indicates that a significant amount of heat inside these alloys is still carried by phonons with ~300 nm or longer mean free paths. Our studies provide important guidance for ZT enhancement in alloys of nitrides and similar oxides.

Keywords： nanoporous film     thermoelectrics     phonon     mean free path     diffusive scattering    

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Research on Prony’s method modeling in multi-target detection of stepped-frequency radar

Hu Tiling,Li Xingguo

Strategic Study of CAE 2008, Volume 10, Issue 10,   Pages 67-71

Abstract:

Stepped-frequency signal is a broad band signal which enhances range resolution of radar at the cost of increasing bandwidth. Baseband signal that is received in stepped-frequency radar can be thought of as the linear combination of exponential function which contains target information, while Prony algorithm is a mathematical mode which uses a linear combination of exponential function to describe equal space between sampling data. Extended Prony algorithm is applied to stepped-frequency radar, which can obtain more exact target information and overcome the shortcomings of using IDFT to synthesize high resolution range profiles. Corresponding modeling analysis and experiment simulation explain the advantages of Prony's method.

Keywords： high resolution radar     stepped-frequency signal     extended Prony’s method     multi-scattering center    

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Numerical Simulation of the Interaction Between Smoke and Water Mist in Fire

Ye Dong,Jiang Yong

Strategic Study of CAE 2007, Volume 9, Issue 2,   Pages 84-89

Abstract: Scattering of thermal radiation from fire by water mist and the effects of breakup and coalescence ofWater mist attenuates thermal radiation by absorbing and scattering, and it may enhance combustion reaction

Keywords： water mist     Fluent     thermal radiation     scattering     coalescence     breakup    

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On Scattering and Radiation Problem for a Cylinder over a Cylindrical Barrier in Water of Finite Depth

Wu Bijun,Zheng Yonghong,You Yage,Sun Xiaoyan,Chen Yong

Strategic Study of CAE 2004, Volume 6, Issue 2,   Pages 48-55

Abstract: eigenfunction expansion method, the expressions for the properties of kinematics and kinetics, which are due to scattering

Keywords： analytical method     velocity potential     wave force    

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cattering-absorbing method for the detection of 16.7 MeV high-energy pulsed gamma

Tan Xinjian,Ouyang Xiaoping,Wang Qunshu

Strategic Study of CAE 2009, Volume 11, Issue 8,   Pages 48-51

Abstract: justify;">This paper proposes a new method of diagnosing 16.7 MeV high-energy pulsed gamma, named "scattering-absorbing

Keywords： high-energy gamma     Cherenkov detector     scattering absorption method    

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Title Author Date Type Operation

Study of Scattering Characteristic of Fire Smoke Based on Mie Theory

Shu Xueming,Fang Jun,Shao Quan,Yuan Hongyong

Journal Article

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

Qunzhi ZHU, Hyunjin LEE, Zhuomin M. HANG

Journal Article

Effect of light scattering on the performance of a direct absorption solar collector

Kwang Hyun WON, Bong Jae LEE

Journal Article

De-scattering and edge-enhancement algorithms for underwater image restoration

Pan-wang PAN, Fei YUAN, En CHENG

Journal Article

Application of Wavelet Transform to Acoustic Radiation and Scattering

Wen Lihua,Ren Xingmin

Journal Article

Molecular diffusion in ternary poly(vinyl alcohol) solutions

Journal Article

Shape reconstruction of parallelogram flaw

ZHENG Gangfeng, WU Bin, HE Cunfu

Journal Article

SERS nanoprobes for bio-application

Han-Wen Cheng,Jin Luo,Chuan-Jian Zhong

Journal Article

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

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

Journal Article

Multi-functional 3D N-doped TiO

Zijian Cui, Kaiyue Zhang, Guangyu Xing, Yaqing Feng, Shuxian Meng

Journal Article

Largely reduced cross-plane thermal conductivity of nanoporous In

Dongchao XU, Quan WANG, Xuewang WU, Jie ZHU, Hongbo ZHAO, Bo XIAO, Xiaojia WANG, Xiaoliang WANG, Qing HAO

Journal Article

Research on Prony’s method modeling in multi-target detection of stepped-frequency radar

Hu Tiling,Li Xingguo

Journal Article

Numerical Simulation of the Interaction Between Smoke and Water Mist in Fire

Ye Dong,Jiang Yong

Journal Article

On Scattering and Radiation Problem for a Cylinder over a Cylindrical Barrier in Water of Finite Depth

Wu Bijun,Zheng Yonghong,You Yage,Sun Xiaoyan,Chen Yong

Journal Article

cattering-absorbing method for the detection of 16.7 MeV high-energy pulsed gamma

Tan Xinjian,Ouyang Xiaoping,Wang Qunshu

Journal Article