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Comparison of droplet distributions from fluidic and impact sprinklers

Xingye ZHU,Shouqi YUAN,Junping LIU,Xingfa LIU

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 1,   Pages 53-59 doi: 10.15302/J-FASE-2015049

Abstract: To adapt to the trend toward low-energy precision irrigation, the droplet distributions for two new prototypeA laser precipitation monitor was used to measure the droplet distributions.Droplet size and velocity distributions were tested under four operating pressures for nozzles 1.5 mA new empirical equation is proposed for determination of droplet size for OS and FS, which is sufficientlyBasic statistics for droplet size and velocity were performed on data obtained by the photographic methods

Keywords： outside signal sprinkler     fluidic sprinkler     impact sprinkler     sprinkler irrigation     droplet size     droplet    

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Droplet spectra and high-speed wind tunnel evaluation of air induction nozzles

Qing TANG, Liping CHEN, Ruirui ZHANG, Min XU, Gang XU, Tongchuan YI, Bin ZHANG

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 4,   Pages 442-454 doi: 10.15302/J-FASE-2017169

Abstract: Droplet size spectra were measured for four air induction nozzles (IDK-120-01, IDK-120-02, IDK-120-03affected by the quadratic of wind speed. v , v and v of the droplets were all proportional to the orifice sizequadratically related to wind speed, and was not markedly influenced by the spray pressure and orifice sizeHowever, the effect of the orifice size on the %<200 mm could not be ignored.

Keywords： air induction nozzle     wind tunnel     aerial spray     droplet size spectra    

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A CFD study of the transport and fate of airborne droplets in a ventilated office: The role of droplet−droplet interactions

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1465-8

Abstract:

• Coulomb and Lennard−Jones forces were considered for droplet interactions

Keywords： Droplet interactions     Aerosols     Colloids     CFD     Transport     Fate    

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Analysis of the radiation heat transfer process of phase change for a liquid droplet radiator in space

Jinying YIN, Linhua LIU

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 166-173 doi: 10.1007/s11708-010-0105-y

Abstract: optimization of a space power system is greatly affected by the radiation heat transfer in a liquid dropletThe Mie theory is used to calculate the radiative properties of the droplet bed, whereas the effectiveMultiple factors affect heat flux in the LDR, such as size distribution, flow velocity, phase changeCalculations show that once size distribution is neglected, the relative error increases significantlySize distribution has a remarkably strong effect on heat flux when the flow velocity of the working fluid

Keywords： radiation heat transfer     particle polydispersion     liquid droplet radiator     phase change    

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Modeling and simulation of droplet translocation and fission by electrowetting-on-dielectrics (EWOD)

Nathan HOWELL, Weihua LI

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 376-388 doi: 10.1007/s11465-010-0104-z

Abstract: This paper discusses methods of microfluidic droplet actuation by means of electrowetting-on-dielectricsThe two operations in focus here are droplet translocation (moving) and droplet fission (splitting),size, surface properties (Teflon coated), and geometry of the system are kept constant for each operationThe droplet position and mean kinetic energy of the droplet are also investigated and compared to otherworks, proving the dynamics of a droplet motion found here.

Keywords： electrowetting-on-dielectrics (EWOD)     electrowetting     microfluidics     droplet translocation     droplet fission    

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Dynamical analysis of droplet impact spreading on solid substrate

Zhaomiao LIU, Huamin LIU, Xin LIU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 308-315 doi: 10.1007/s11465-010-0020-2

Abstract: This paper investigates the impact spreading of a droplet on a solid substrate using numerical simulationThe process of droplet spreading is described, the analysis of low speed and high speed droplet spreading, and more than one droplet spreading simultaneously is performed.The pressure, velocity, and spreading factor during the droplet spreading are reported.The impact speed impacts on the spreading factors in high speed droplet spreading.

Keywords： droplet     impact spreading     numerical simulation    

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Synthesis of crystals and particles by crystallization and polymerization in droplet-based microfluidic

Jingtao WANG, Jin ZHANG, Junjie HAN,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 1,   Pages 26-36 doi: 10.1007/s11705-009-0292-4

Abstract: The recent advances in crystallization and polymerization assisted by droplet-based microfluidics toDroplet-based microfluidic devices are powerful tools to execute some precise controls and operationsto produce the polymer particles (including Janus particles) with precise control over their sizes, size

Keywords： core-shell     monodisperse     nucleation     Microfluidic     different technical    

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Numerical study of droplet dynamics impinging onto steel plate covered with scale layer

Jan BOHá?EK, Ale? HORáK

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 389-398 doi: 10.1007/s11465-010-0108-8

Abstract: This paper describes the dynamics of high-speed impact between the compressible water droplet and theConsidering a high droplet impact speed (100–300 ms ), inferential extremely short time interval (0.1Droplet dynamics was simulated with the help of LS-Dyna solver, whereas the stress analysis was performed

Keywords： hydraulic descaling     scale     rolling     water-hammer     descaling theory    

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Effect of UAV prewetting application during the flowering period of cotton on pesticide droplet deposition

Weixiang YAO, Xianju WANG, Yubin LAN, Ji JIN

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 4,   Pages 455-461 doi: 10.15302/J-FASE-2018232

Abstract:

Prewetting process can reduce the contact angle between the droplet and the leaf blade, so that thedroplet can more easily wet and spread, thereby increasing the quantity of deposition.The results revealed that with no prewetting, droplet deposition quantity decreased with increasing leafAfter prewetting, the mean droplet deposition quantity on plots B, C and D increased by 39.8%, 9.7% andIt was also found that the mean droplet deposition quantity in each leaf blade angle range increased

Keywords： aerial spray     cotton     deposition     flowering period     leaf angle     prewetting     UAV    

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The size distribution of airborne bacteria and human pathogenic bacteria in a commercial composting plant

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-020-1356-4

Abstract:

•Bacterial concentrations from eight stages were 104–105copies/m3.

Keywords： Size distribution     Airborne bacteria     Biological diversity     Human pathogenic bacteria     Composting plants    

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Influence of sprinkler irrigation droplet diameter, application intensity and specific power on flower

Yisheng ZHANG, Delan ZHU

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 165-171 doi: 10.15302/J-FASE-2017145

Abstract: To determine the main parameters of droplet strike damage and avoid flower injury due to the unsuitablepractices during sprinkler irrigation, an indoor experiment of irrigation droplet impact on cyclamenThe influences of different parameters such as droplet diameter, application intensity, specific powerApplication intensity was also correlated with injury when the droplet diameter was larger than 1 mm.

Keywords： application intensity     damage     floriculture     flowers     specific power     sprinkler irrigation    

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Particle size distribution and shape control of Au nanoparticles used for particle gun

S. Kida, M. Ichiji, J. Watanabe, I. Hirasawa

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 60-64 doi: 10.1007/s11705-013-1313-x

Abstract: However, the control of particle size distribution (PSD) and shape of Au nanoparticles is too difficultMoreover, in single-jet and double-jet, the mean size of the obtained Au particles increases with the

Keywords： reduction crystallization     particle size distribution     gene transferring media    

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A better way to do small-for-size liver transplantation in rats

Jiang LI, Yu HOU, Jing LIU, Bin LIU, Li LI

Frontiers of Medicine 2011, Volume 5, Issue 1,   Pages 106-110 doi: 10.1007/s11684-011-0113-2

Abstract:

Establishing a model for small-for-size liver transplantation is the basis for this study of partialThis study aims to explore a simpler and more effective way of establishing a 30% small-for-size liverSmall-for-size orthotopic liver transplantation was performed using Kamada’s two-cuff method.and right lobes for grafting may be a more effective and simpler way of establishing a 30% small-for-size

Keywords： liver transplantation     small-for-size     rats    

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Effect of Cu-ZSM-5 catalysts with different CuO particle size on selective catalytic oxidation of N,N-Dimethylformamide

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 10, doi: 10.1007/s11783-022-1557-0

Abstract:

● A series of Cu-ZSM-5 catalysts were tested for DMF selective catalytic oxidation.

Keywords： N     N-Dimethylformamide     Selective catalytic oxidation     Cu-ZSM-5     CuO particle size    

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Influence of surface cracking, anchor head profile, and anchor head size on cast-in headed anchors in

Frontiers of Structural and Civil Engineering   Pages 1163-1187 doi: 10.1007/s11709-023-0987-5

Abstract: above prediction models depends on the effective embedment depth of the anchor and the anchor head size

Keywords： cast-in anchor     concrete cone capacity     geopolymer concrete     head size     surface crack     anchor profile    

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Title Author Date Type Operation

Comparison of droplet distributions from fluidic and impact sprinklers

Xingye ZHU,Shouqi YUAN,Junping LIU,Xingfa LIU

Journal Article

Droplet spectra and high-speed wind tunnel evaluation of air induction nozzles

Qing TANG, Liping CHEN, Ruirui ZHANG, Min XU, Gang XU, Tongchuan YI, Bin ZHANG

Journal Article

A CFD study of the transport and fate of airborne droplets in a ventilated office: The role of droplet−droplet interactions

Journal Article

Analysis of the radiation heat transfer process of phase change for a liquid droplet radiator in space

Jinying YIN, Linhua LIU

Journal Article

Modeling and simulation of droplet translocation and fission by electrowetting-on-dielectrics (EWOD)

Nathan HOWELL, Weihua LI

Journal Article

Dynamical analysis of droplet impact spreading on solid substrate

Zhaomiao LIU, Huamin LIU, Xin LIU,

Journal Article

Synthesis of crystals and particles by crystallization and polymerization in droplet-based microfluidic

Jingtao WANG, Jin ZHANG, Junjie HAN,

Journal Article

Numerical study of droplet dynamics impinging onto steel plate covered with scale layer

Jan BOHá?EK, Ale? HORáK

Journal Article

Effect of UAV prewetting application during the flowering period of cotton on pesticide droplet deposition

Weixiang YAO, Xianju WANG, Yubin LAN, Ji JIN

Journal Article

The size distribution of airborne bacteria and human pathogenic bacteria in a commercial composting plant

Journal Article

Influence of sprinkler irrigation droplet diameter, application intensity and specific power on flower

Yisheng ZHANG, Delan ZHU

Journal Article

Particle size distribution and shape control of Au nanoparticles used for particle gun

S. Kida, M. Ichiji, J. Watanabe, I. Hirasawa

Journal Article

A better way to do small-for-size liver transplantation in rats

Jiang LI, Yu HOU, Jing LIU, Bin LIU, Li LI

Journal Article

Effect of Cu-ZSM-5 catalysts with different CuO particle size on selective catalytic oxidation of N,N-Dimethylformamide

Journal Article

Influence of surface cracking, anchor head profile, and anchor head size on cast-in headed anchors in

Journal Article