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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: measured for four air induction nozzles (IDK-120-01, IDK-120-02, IDK-120-03 and IDK-120-04) each at three sprayof the droplets were all proportional to the orifice size, and were not markedly influenced by the sprayThe percentage of the spray volume consisting of droplets with a diameter below 100 mm (%<100 mm)was found to be quadratically related to wind speed, and was not markedly influenced by the spray pressure

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

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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: improve the effectiveness of pesticides on cotton leaves, prewetting by single-rotor electric unmanned aerialreference for future research and practice to improve the effectiveness of pesticides applied to cotton by aerial

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

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The Possibility of Active Attitude Control for Fuel Spray Review

Masataka Arai

Engineering 2019, Volume 5, Issue 3,   Pages 519-534 doi: 10.1016/j.eng.2019.04.010

Abstract: In the future, smart active control of combustion by means of fuel spray injection must be consideredas desired in the field of combustion; thus, new and effective active control technologies for fuel sprayCavitation, flash boiling, spray-to-spray interaction, spray-to-wall interaction, and air flow have potentialas a basis for active attitude control of fuel spray.for future fuel spray combustion technology in a smart compact ICE.

Keywords： Internal combustion engine     Fuel spray     Spray control     Spray behavior     Fuel injector    

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Numerical investigation of the effects of fuel spray type on the interaction of fuel spray and hot porous

ZHAO Zhiguo, XIE Maozhao

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 59-65 doi: 10.1007/s11708-008-0022-5

Abstract: The interaction between two types of fuel spray and a hot porous medium is studied numerically by usingtransfer model and a linearized instability sheet atomization (LISA) model to model the hollow cone sprayThe numerical results conform well with experimental data for spray radius in the liquid and the vaporComputational results on the interaction of two types of the fuel spray and the hot porous medium showthat from solid cone spray, with the same initial kinetic energy of fuel droplets in both injection

Keywords： improved version     impingement     atomization     hollow     radius    

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Particle formation of hydroxyapatite precursor containing two components in a spray pyrolysis process

W. Widiyastuti, Adhi Setiawan, Sugeng Winardi, Tantular Nurtono, Heru Setyawan

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 104-113 doi: 10.1007/s11705-014-1406-1

Abstract: hydroxyapatite precursor containing two components, Ca(OOCCH ) and (NH ) HPO with a ratio of Ca/P= 1.67, in a spray

Keywords： droplet     hydroxyapatite particle     CFD     tubular furnace     spray pyrolysis    

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Flexible micro flow sensor for micro aerial vehicles

Rong ZHU, Ruiyi QUE, Peng LIU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 4,   Pages 539-545 doi: 10.1007/s11465-017-0427-0

Abstract: In our study, we install the fabricated micro flow sensors on micro aerial vehicles (MAVs) to detect

Keywords： micro flow sensor     flexible sensor     surface flow sensing     aerodynamic parameter     micro aerial vehicle (MAV    

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Plasma spray coating on interconnector toward promoted solid oxide fuel cells and solid oxide electrolysis

Frontiers in Energy doi: 10.1007/s11708-023-0901-9

Abstract: Two advanced thermal spray technology, atmospheric plasma spraying (APS) and low-pressure plasma spray

Keywords： interconnector coating     plasma spray     electrochemical performance     Cr diffusion inhibition     solid oxide    

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Experimental study of the effects of structured surface geometry on water spray cooling performance in

Minghou LIU, Yaqing WANG, Dong LIU, Kan XU, Yiliang CHEN

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 75-82 doi: 10.1007/s11708-010-0014-0

Abstract: were conducted to study the effects of enhanced surfaces on heat transfer performance during water sprayThe spray was performed using Unijet full cone nozzles with a volumetric flux of 0.044–0.053 m /(m ·s

Keywords： spray cooling     finned surface     heat transfer    

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Dynamic Target Tracking of Unmanned Aerial Vehicles Under Unpredictable Disturbances

Yanjie Chen,Yangning Wu,Limin Lan,Hang Zhong,Zhiqiang Miao,Hui Zhang,Yaonan Wang,

Engineering doi: 10.1016/j.eng.2023.05.017

Abstract: proposes an image-based visual servoing (IBVS) method based on a velocity observer for an unmanned aerial

Keywords： Unmanned aerial vehicle     Visual servoing     Velocity observer     Target tracking    

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Removing ammonia from air with a constant pH, slightly acidic water　spray wet scrubber using recycled

Ahmad Kalbasi Ashtari, Amir M. Samani Majd, Gerald L. Riskowski, Saqib Mukhtar, Lingying Zhao

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0869-3

Abstract: The objective of this study was to determine if a spray scrubber with slightly acidic and higher pH scrubbingA bench-scale spray wet scrubber treated 20 ppmv NH /air mixture in a countercurrent contact chamber.

Keywords： Ammonia     Spray wet scrubber     Slightly acidic scrubbing solution     Controlled pH     Removal efficiency    

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Impingement of hollow cone spray on hot porous medium

ZHAO Zhiguo, XIE Maozhao

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 273-278 doi: 10.1007/s11708-008-0048-8

Abstract: the formation of homogenous mixture in a porous medium engine, the interaction between hollow cone spraytransfer model and linearized instability sheet atomization (LISA) model to simulate the hollow cone spraya simple model to describe the structure of the porous medium, the interaction between hollow cone sprayand hot porous medium was simulated under different ambient pressures and spray cone angles.Differences in ambient pressure and spray cone angle affect the distribution of droplets in the porous

Keywords： improved version     simple     impingement     atomization     hollow    

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A study of spray granulation in vibrated fluidized bed with internal heating tubes

Xiaoheng PAN, Shichao YE, Zeguang ZHANG, Li ZHANG, Xuejun ZHU

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 78-82 doi: 10.1007/s11705-009-0084-x

Abstract: The granulation process in a vibrated fluidized bed with immersed horizontal heating tubes was studied in this paper, with small monoammonium phosphate particles as the initial particles and monoammonium phosphate solution sprayed on them. The concrete influences on the granulating performance of the immersed horizontal heating power, fluidizing gas velocity, vibration frequency and amplitude had been analyzed theoretically. The results show that appropriate vibration intensity is a preferred condition for the growth of partials, but the fine dust will become much more along with prolonged vibration. Increasing the heating power is beneficial to raise the growth rate. Particles will grow faster if the fluidizing gas velocity is higher, but this will cause more fine dust. The optimized condition of =0.002 m, =6.67 Hz, =1.4 m/s was given after the analysis of the experimental results. In the end, a semiempirical formula was derived from the experiment data, and the calculation results show good agreement with the experimental data.

Keywords： vibrated fluidized bed     immersed horizontal     horizontal heating tubes     spray granulation     particle growth    

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An experimental study on spray auto-ignition of RP-3 jet fuel and its surrogates

Yaozong DUAN, Wang LIU, Zhen HUANG, Dong HAN

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 396-404 doi: 10.1007/s11708-020-0715-y

Abstract: In the latter case, fuel spray auto-ignition behavior is an important index for engine operation reliabilityThe spray auto-ignition characteristics of RP-3 jet fuel and its three surrogates, the 70% mol -decaneTherefore, to capture the spray auto-ignition behaviors, DCN is the most important parameter to match

Keywords： RP-3 jet fuel     surrogate     spray auto-ignition     constant volume combustion chamber    

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Kinetic studies of xylan hydrolysis of corn stover in a dilute acid cycle spray flow-through reactor

Hongman ZHANG, Qiang JIN, Rui XU, Lishi YAN, Zengxiang LIN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 252-257 doi: 10.1007/s11705-010-1010-y

Abstract: 3% (w/w) sulfuric acid at relatively low temperatures (90°C, 95°C and 100°C) in a dilute acid cycle spray

Keywords： corn stover     xylan hydrolysis     biphasic model     Saeman model     cycle spray     kinetics    

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Investigations on multicycle spray detonations

LI Mu, YAN Chuanjun, ZHENG Longxi, WANG Zhiwu, QIU Hua

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 207-212 doi: 10.1007/s00000-007-0027-5

Abstract: Experimental investigations were carried out on a 50-I.D. multicycle pulse detonation engine (PDE) model, and liquid fuel (gasoline) was used. The average of pressure peak, as measured by piezoelectricity pressure transducer, increased versus distance to thrust wall before fully-developed detonation came into being. According to the pressure history, the pressure in detonation tube would not rise abruptly until the flame front advanced a certain distance downstream the spark. Just at that moment, two compression waves spreading to opposite direction were formed. One was enforced by combustion and became detonation rapidly. The other was weakened because of obstacles and insufficiency of fuel. Two methods were used to determine the induction length of two-phase detonation wave through the pressure history. Ignition delay time was found to be longer than deflagration-to-detonation transition (DDT) time, and the sum of the two would change little as cycle frequency increased. So they could be the most important factors controlling two-phase PDE frequency. Filling process and blowdown process were also analyzed.

Keywords： multicycle     deflagration-to-detonation transition     pressure transducer     compression     piezoelectricity pressure    

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Title Author Date Type Operation

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

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 Possibility of Active Attitude Control for Fuel Spray

Masataka Arai

Journal Article

Numerical investigation of the effects of fuel spray type on the interaction of fuel spray and hot porous

ZHAO Zhiguo, XIE Maozhao

Journal Article

Particle formation of hydroxyapatite precursor containing two components in a spray pyrolysis process

W. Widiyastuti, Adhi Setiawan, Sugeng Winardi, Tantular Nurtono, Heru Setyawan

Journal Article

Flexible micro flow sensor for micro aerial vehicles

Rong ZHU, Ruiyi QUE, Peng LIU

Journal Article

Plasma spray coating on interconnector toward promoted solid oxide fuel cells and solid oxide electrolysis

Journal Article

Experimental study of the effects of structured surface geometry on water spray cooling performance in

Minghou LIU, Yaqing WANG, Dong LIU, Kan XU, Yiliang CHEN

Journal Article

Dynamic Target Tracking of Unmanned Aerial Vehicles Under Unpredictable Disturbances

Yanjie Chen,Yangning Wu,Limin Lan,Hang Zhong,Zhiqiang Miao,Hui Zhang,Yaonan Wang,

Journal Article

Removing ammonia from air with a constant pH, slightly acidic water　spray wet scrubber using recycled

Ahmad Kalbasi Ashtari, Amir M. Samani Majd, Gerald L. Riskowski, Saqib Mukhtar, Lingying Zhao

Journal Article

Impingement of hollow cone spray on hot porous medium

ZHAO Zhiguo, XIE Maozhao

Journal Article

A study of spray granulation in vibrated fluidized bed with internal heating tubes

Xiaoheng PAN, Shichao YE, Zeguang ZHANG, Li ZHANG, Xuejun ZHU

Journal Article

An experimental study on spray auto-ignition of RP-3 jet fuel and its surrogates

Yaozong DUAN, Wang LIU, Zhen HUANG, Dong HAN

Journal Article

Kinetic studies of xylan hydrolysis of corn stover in a dilute acid cycle spray flow-through reactor

Hongman ZHANG, Qiang JIN, Rui XU, Lishi YAN, Zengxiang LIN

Journal Article

Investigations on multicycle spray detonations

LI Mu, YAN Chuanjun, ZHENG Longxi, WANG Zhiwu, QIU Hua

Journal Article