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Convective mass transfer from a horizontal rotating cylinder in a slot air jet flow

Hongting MA , Dandan MA , Na YANG ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 289-296 doi: 10.1007/s11708-009-0019-8

Abstract: The effects of air jet impinging on the mass transfer characteristics from a rotating spinning cylinder

Keywords： air jet impinging     rotating cylinder     critical point     mass transfer characteristics    

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Pre-chamber turbulent jet ignition of methane/air mixtures with multiple orifices in a large bore constantvolume chamber: effect of air-fuel equivalence ratio and pre-mixed pressure

Xiang LI, Wenzheng ZHANG, Zhong HUANG, Dehao JU, Li HUANG, Mingzhi FENG, Xingcai LU, Zhen HUANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 483-493 doi: 10.1007/s11708-019-0631-1

Abstract: A combustion enhancement technique called pre-chamber turbulent jet ignition (TJI) can permit combustionTo investigate the effect of air-fuel equivalence ratio and pre-mixed pressure on pre-chamber TJI ofmethane/air mixtures with multiple orifices in a large bore volume, experimental tests and computationalDifferent initial pressures and air-fuel equivalence ratios were considered to analyze the characteristicsThe asymmetry of the turbulent jet actuated from six different orifices were found due to the asymmetric

Keywords： marine engine     natural gas     methane     turbulent jet ignition (TJI)     pre-chamber    

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Characterization of micro-mixing in a novel impinging streams reactor

Hui HU, Zhiming CHEN, Zhen JIAO

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 58-64 doi: 10.1007/s11705-009-0106-8

Abstract: This paper presents an experimental investigation of a novel impinging stream reactor (ISR) with the

Keywords： micro-mixing     impinging streams reactor     turbulent mixing     mass transfer    

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An Enhanced Physically Based Scour Model for Considering Jet Air Entrainment

Rafael Duarte,António Pinheiro,Anton J. Schleiss

Engineering 2016, Volume 2, Issue 3,   Pages 294-301 doi: 10.1016/J.ENG.2016.03.003

Abstract:

Based on systematic experiments on the influence of air entrainment on rock block stability in plungeThe modifications regarding jet aeration are implemented in the Comprehensive Scour Model (CSM), allowingphysical-mechanical processes involved in scour formation concerning the three phases; namely, water, rock, and airThe enhanced method considers the reduction of momentum of an aerated jet as well as the decrease ofenergy dissipation in the jet diffusive shear layer, both resulting from the entrainment of air bubbles

Keywords： Air entrainment     Uplift     Rock scour     Dam safety     High-velocity jets     Block stability     Scour assessment    

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Stability of an annular viscous liquid jet in compressible gases with different properties inside andoutside of the jet

Chunji YAN, Maozhao XIE,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 198-204 doi: 10.1007/s11708-009-0054-5

Abstract: A spatial linear instability analysis is conducted on an annular viscous liquid jet injected into compressiblegases and a three-dimensional model of the jet is developed.account differences between the velocities, densities of the gases inside and outside of the liquid jetcomputations reveal some basic characteristics in the breakup and atomization process of the liquid jetThe Mach number plays a destabilizing role and the inner Mach number has a greater effect on the jet

Keywords： liquid jet     dominant wave number     compressibility     instability    

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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: The steel hot rolling process is inseparably connected to an oxide layer called “scale” at high temperatures. Hydraulic descaling of rolled material is a part of all rolling trains. Surface quality after descaling is fundamental for the final surface quality of a rolled product. The process itself is not theoretically well described; various different approaches have been used to clarify the descaling problem. This paper describes the dynamics of high-speed impact between the compressible water droplet and the steel scale layer. The phenomenon is known as water hammer effect. The purpose of this study is to numerically verify the fact that impact stress can be a significant factor during the descaling process. Considering a high droplet impact speed (100–300 ms ), inferential extremely short time interval (0.1–5 μs) peaks in impact pressure reaching 300 MPa can be found. Droplet dynamics was simulated with the help of LS-Dyna solver, whereas the stress analysis was performed in ANSYS interface. The extreme pressure peaks of very short duration in an impact area are a new phenomenon in the descaling theory.

Keywords： hydraulic descaling     scale     rolling     water-hammer     descaling theory    

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Combustion and emissions of RP-3 jet fuel and diesel fuel in a single-cylinder diesel engine

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 664-677 doi: 10.1007/s11708-021-0787-3

Abstract: The combustion characteristics and emission behaviors of RP-3 jet fuel were studied and compared to commercialangle (CA) after top dead center (ATDC)) were adjusted to evaluate the engine performances of RP-3 jetIn comparison to diesel fuel, RP-3 jet fuel shows a retarded heat release and lagged combustion phaseAs a result, RP-3 jet fuel features a longer ignition delay (ID) time, a shorter combustion durationCompared with diesel fuel, the nitrogen oxides (NOx) emissions of RP-3 jet fuel are

Keywords： RP-3 jet fuel     diesel     engine     combustion     emissions    

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Fabrication of micro/nano-structures by electrohydrodynamic jet technique

Dazhi WANG, Xiaojun ZHAO, Yigao LIN, Tongqun REN, Junsheng LIANG, Chong LIU, Liding WANG

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 4,   Pages 477-489 doi: 10.1007/s11465-017-0461-y

Abstract:

Electrohydrodynamic jet (E-Jet) is an approach to the fabrication of micro/nano-structures by theIn this process, the liquid is subjected to electrical and mechanical forces to form a liquid jet, whichThe major advantage of the E-Jet technique is that the sizes of the jet formed can be at the nanoscaleThe E-Jet technique, which mainly includes E-Jet deposition and E-Jet printing, has a wide range of applicationsThis study mainly reviews the E-Jet deposition/printing fundamentals, fabrication process, and applications

Keywords： electrohydrodynamic jet deposition     electrohydrodynamic jet printing     micro/nano-structures     film    

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Residence time distribution and modeling of the liquid phase in an impinging stream reactor

Xingjun WANG, Xianhui HU, Lishun HU, Guangsuo YU, Fuchen WANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 353-359 doi: 10.1007/s11705-009-0262-x

Abstract: Based on some experimental investigations of liquid phase residence time distribution (RTD) in an impingingcenter-to-wall, which indicates that the liquid RTD is dominated mainly by axial liquid dispersion in the impinging

Keywords： RTD     liquid dispersion     reactor     liquid     independent    

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Effects of rotor and stator geometry on dissolution process and power consumption in jet-flow high shear

Lin Yang, Wenpeng Li, Junheng Guo, Wei Li, Baoguo Wang, Minqing Zhang, Jinli Zhang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 384-398 doi: 10.1007/s11705-020-1928-7

Abstract: The jet-flow high shear mixer (JF-HSM) is a new type of intensified equipment with special configurations

Keywords： jet-flow high shear mixer     solid particle dissolution     power consumption characteristics     CFD Simulation    

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Simulation of steel beam under ceiling jet based on a wind–fire–structure coupling model

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 78-98 doi: 10.1007/s11709-022-0936-8

Abstract: In this paper, the thermomechanical phenomena experienced by a ceiling jet and I-beam in a structural

Keywords： CFD–FEM coupling     steel beam     wind     ceiling jet     numerical heat transfer    

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RETRACTED ARTICLE: Momentum exchange coefficient for two jet flows mixing in a tee junction

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2161-2161 doi: 10.1007/s11705-009-0143-3

Abstract: RETRACTED ARTICLE: Momentum exchange coefficient for two jet flows mixing in a tee junction

Keywords： tee junction     Momentum exchange coefficient     RETRACTED    

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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: Jet fuel is widely used in air transportation, and sometimes for special vehicles in ground transportationAs for jet fuels, two-component or three-component surrogate is usually selected to emulate practicalThe spray auto-ignition characteristics of RP-3 jet fuel and its three surrogates, the 70% mol -decaneSurrogate 3 could emulate more physiochemical properties of RP-3 jet fuel, including molecular weightfuel, whereas Surrogates 2 and 3 show quite similar auto-ignition propensity with RP-3 jet fuel.

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

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Formation of coke in thermal cracking of jet fuel under supercritical conditions

ZHU Yuhong, YU Caixiang, LI Zimu, MI Zhentao, ZHANG Xiangwen

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 17-21 doi: 10.1007/s11705-008-0024-1

Abstract: Continuous-flow reactor experiments were carried out to study coke formation from thermal cracking of home-made jet

Keywords： dispersive spectroscopy     different     extraction     calorimetry     filamentous    

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Application and Prospects of Water Jet Technology in Petroleum Engineering

Shen Zhonghou,Li Gensheng,Wang Ruihe

Strategic Study of CAE 2002, Volume 4, Issue 12,   Pages 60-65

Abstract:

This paper presents the study and applications of water jet technology in petroleum engineering.models and theories, three new kinds of bits, i.e. extended nozzle roller bit, self-resonating water jetbit and combined jet and mechanical rock-cutting bit, are developed.Also, the paper points the prospects of applications of water jet technology in deep-well drilling, low-permeability

Keywords： water jet technology     oil well drilling     oil & gas production     high and ultra-high pressure jet    

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Title Author Date Type Operation

Convective mass transfer from a horizontal rotating cylinder in a slot air jet flow

Hongting MA , Dandan MA , Na YANG ,

Journal Article

Pre-chamber turbulent jet ignition of methane/air mixtures with multiple orifices in a large bore constantvolume chamber: effect of air-fuel equivalence ratio and pre-mixed pressure

Xiang LI, Wenzheng ZHANG, Zhong HUANG, Dehao JU, Li HUANG, Mingzhi FENG, Xingcai LU, Zhen HUANG

Journal Article

Characterization of micro-mixing in a novel impinging streams reactor

Hui HU, Zhiming CHEN, Zhen JIAO

Journal Article

An Enhanced Physically Based Scour Model for Considering Jet Air Entrainment

Rafael Duarte,António Pinheiro,Anton J. Schleiss

Journal Article

Stability of an annular viscous liquid jet in compressible gases with different properties inside andoutside of the jet

Chunji YAN, Maozhao XIE,

Journal Article

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

Jan BOHá?EK, Ale? HORáK

Journal Article

Combustion and emissions of RP-3 jet fuel and diesel fuel in a single-cylinder diesel engine

Journal Article

Fabrication of micro/nano-structures by electrohydrodynamic jet technique

Dazhi WANG, Xiaojun ZHAO, Yigao LIN, Tongqun REN, Junsheng LIANG, Chong LIU, Liding WANG

Journal Article

Residence time distribution and modeling of the liquid phase in an impinging stream reactor

Xingjun WANG, Xianhui HU, Lishun HU, Guangsuo YU, Fuchen WANG,

Journal Article

Effects of rotor and stator geometry on dissolution process and power consumption in jet-flow high shear

Lin Yang, Wenpeng Li, Junheng Guo, Wei Li, Baoguo Wang, Minqing Zhang, Jinli Zhang

Journal Article

Simulation of steel beam under ceiling jet based on a wind–fire–structure coupling model

Journal Article

RETRACTED ARTICLE: Momentum exchange coefficient for two jet flows mixing in a tee junction

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

Formation of coke in thermal cracking of jet fuel under supercritical conditions

ZHU Yuhong, YU Caixiang, LI Zimu, MI Zhentao, ZHANG Xiangwen

Journal Article

Application and Prospects of Water Jet Technology in Petroleum Engineering

Shen Zhonghou,Li Gensheng,Wang Ruihe

Journal Article