Search Results - "Guan, Xiaoping"

Exploration on the stability conditions in bubble columns by noncooperative game theory by Liu, Jiachen, Guan, Xiaoping, Yang, Ning

“…[Display omitted] •Different pathways of compromise of dominant mechanisms in bubbly flow.•Formulation of different stability conditions for gas–liquid bubbly…”
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A Review on the Modeling and Simulation of Shaft Furnace Hydrogen Metallurgy: A Chemical Engineering Perspective by Fei, Yang, Guan, Xiaoping, Kuang, Shibo, Yu, Aibing, Yang, Ning

“…Hydrogen-based shaft furnace technology holds promise for low-carbon hydrogen metallurgy. Since hydrogen-assisted iron ore reduction is highly endothermic,…”
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Effects of internals on fluid dynamics and reactions in pilot-scale slurry bubble column reactors: A CFD study for Fischer-Tropsch synthesis by An, Min, Guan, Xiaoping, Yang, Ning, Bu, Yifeng, Xu, Ming, Men, Zhuowu

“…[Display omitted] •Fluid dynamics and F-T reactions in SBCRs with or without internals were studied.•Internals reduce gas holdup and turbulent viscosity and…”
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Treatment of Placenta Increta With High-Intensity Focused Ultrasound Ablation and Leaving the Placenta in situ : A Multicenter Comparative Study by Guan, Xiaoping, Huang, Xiaoqin, Ye, Min, Huang, Guohua, Xiao, Xiao, Chen, Jinyun

“…To explore the feasibility of simple high-intensity focused ultrasound (HIFU) ablation for placenta increta. Ninety-five patients after a vaginal delivery were…”
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Experimental and numerical investigations of scale-up effects on the hydrodynamics of slurry bubble columns by Li, Zhaoqi, Guan, Xiaoping, Wang, Lijun, Cheng, Youwei, Li, Xi

“…Experiments and simulations were conducted for bubble columns with diameter of 0.2 m(180 mm i.d.), 0.5 m(476 mm i.d.) and 0.8 m(760 mm i.d.) at high…”
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A dual-scale turbulence model for gas-liquid bubbly flows by Guan, Xiaoping, Li, Zhaoqi, Wang, Lijun, Li, Xi, Cheng, Youwei

“…A dual-scale turbulence model is applied to simulate cocurrent upward gas-liquid bubbly flows and validated with available experimental data. In the model,…”
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CFD simulation of bubble column hydrodynamics with a novel drag model based on EMMS approach by Guan, Xiaoping, Yang, Ning

“…[Display omitted] •A novel drag model termed DBS-Local was proposed based on EMMS approach.•The new drag model was validated by experiments in all flow…”
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Bubble size distribution in a bubble column with vertical tube internals: Experiments and CFD‐PBM simulations by Guan, Xiaoping, Yang, Ning

“…Knowledge of bubble size distribution (BSD) is critical for controlling mass transfer and reaction in bubble column reactors. Installation of internals further…”
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Bubble properties measurement in bubble columns: From homogeneous to heterogeneous regime by Guan, Xiaoping, Yang, Ning

“…[Display omitted] •A new method is proposed to transform CLD into BSD.•Bubble velocity and bubble size distribution measured by probe are validated.•Flow…”
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Characterizing regime transitions in a bubble column with internals by Guan, Xiaoping, Yang, Ning

“…Effects of internals on flow regimes are systematically investigated in a lab‐scale bubble column (BC) through six approaches: total gas holdup, drift‐flux,…”
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Dynamic mechanical properties of random ethylene/1-octene copolymers prepared by rapid cooling by Guan, Xiaoping, Phillips, Paul J.

“…The dynamic mechanical properties of a well-characterized series of homogeneous ethylene/1-octene copolymers with different random hexyl branch contents and…”
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CFD simulation of pilot-scale bubble columns with internals: Influence of interfacial forces by Guan, Xiaoping, Yang, Ning

“…[Display omitted] •Effects of interfacial forces in bubble columns with internals are examined.•Lateral forces are required in bubble columns with…”
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Modeling the effects of solid particles in CFD-PBM simulation of slurry bubble columns by An, Min, Guan, Xiaoping, Yang, Ning

“…[Display omitted] •Bubble dynamics in SBCRs is modeled with CFD-PBM considering three particle effects.•BSD in air-water systems is well predicted with…”
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Lattice Boltzmann simulation of oxygen removal from anode porous transport layer in proton exchange membrane electrolyzer by Zhang, Jingchang, Guan, Xiaoping, Yang, Ning

“…•Direct numerical simulation of oxygen invasion into PTL.•At lower current density, bubble penetration is dominated by interfacial tension.•At higher current…”
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CFD simulation of gas-liquid flow in stirred tanks: Effect of drag models by Guan, Xiaoping, Li, Xinju, Yang, Ning, Liu, Mingyan

“…•Effect of drag models on CFD simulation of gas-liquid flow in stirred tanks is evaluated.•DBS drag models show advantages in the prediction of flow regime and…”
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Fluidization of Swelling Particles at Elevated Temperatures by Xu, Qiushi, Guan, Xiaoping, Yang, Ning

“…Semicrystalline polymer (e.g., polyethylene and polypropylene) particles may swell in solvent at elevated temperatures, inducing flow instability in operation,…”
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Bubble-induced turbulence in CFD simulation of bubble columns. Part I: Coupling of SIT and BIT by Liu, Jiachen, Guan, Xiaoping, Yang, Ning

“…[Display omitted] •Coupling mechanism of SIT models and BIT models.•A snowball effect generated by Sato BIT model on SIT viscosity in RNG k-ε model.•The role…”
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Modeling and optimization of flow distribution in multistage pipe distributors by An, Min, Guan, Xiaoping, Yang, Ning

“…Multistage pipe distributors are generally used in industrial‐scale reactors to generate uniform fluid distribution and reduce dead zones at reactor bottom…”
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Modeling of co-current and counter-current bubble columns with an extended EMMS approach by Guan, Xiaoping, Yang, Ning

“…[Display omitted] •EMMS approach is extended to co-current and counter-current bubble columns.•The predicted structure parameters reproduce liquid velocity…”
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Structure Evolution and Demarcation of Small and Large Bubbles in Bubble Columns by Han, Chao, Guan, Xiaoping, Yang, Ning

“…Large-bubbles and small-bubbles represent two competing dominant structures in bubble columns. Understanding the structure evolution is of great significance…”
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