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Bayesian Optimization for Field-Scale Geological Carbon Storage

Xueying Lu, Kirk E. Jordan, Mary F. Wheeler, Edward O. Pyzer-Knapp, Matthew Benatan

Engineering 2022, Volume 18, Issue 11,   Pages 96-104 doi: 10.1016/j.eng.2022.06.011

Abstract:

We present a framework that couples a high-fidelity compositional reservoir simulator with BayesianIPARS provides a framework for several flow and mechanics models and thus supports both stand-alone In this work, we use the compositional flow module to simulate the geological carbon storage process The compositional flow model, which includes a hysteretic three-phase relative permeability model

Keywords： Compositional flow     Bayesian optimization     Geological carbon storage     CCUS     Machine learning     AI for    

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Numerical study of internal flow field and flow passage improvement of an inlet particle separator

Florian PAOLI, Tong WANG

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 386-397 doi: 10.1007/s11708-011-0156-8

Abstract: By performing gas flow field numerical simulations for several inlet Reynolds numbers (from 2 × 10to 9 × 10 ) and byflow ratios (from 10% to 20%), the present study has proposed to improve the flowNo particle has been included in the gas flow for a -epsilon turbulence model.Then the flow passage improvement method has focused on the separation area.in this study has succeeded in designing a shape which enhances the flow behavior.

Keywords： streamlines     pressure losses     flow passage improvement     inlet particle separator (IPS)    

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The Following-observing Method for Substance Flow Analysis

Lu Zhongwu

Strategic Study of CAE 2006, Volume 8, Issue 1,   Pages 18-25

Abstract:

The fundamental argument set forth in the paper is that flow is the common feature of fluid flow andsubstance flow.(constant output of product), but also for unsteady substance flow (increasing or decreasing outputThe following-observing model of substance flow was explained by using iron flow diagram in the lifeof indexes of lead flow.

Keywords： methods of substance flow analysis     following-observing method for substance flow analysis     basic equationsfor substance flow analysis     degree of unsteadiness of substance flow    

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UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 165-175 doi: 10.1007/s11708-020-0686-z

Abstract: The active power loop flow (APLF) may be caused by impropriate network configuration, impropriate parameterThe power flow controllers, e.g., the unified power flow controller (UPFC), may be the reason and thepaper, the critical existence condition of the APLF is newly integrated into the simultaneous power flowapproaching to the critical existing condition, the integrated power flow needs less iterations andBesides, with wind power fluctuation, the interval power flow (IPF) is introduced into the integrated

Keywords： active power loop flow (APLF)     unified power flow controller (UPFC)     wind power uncertainty     interval powerflow (IPF)    

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A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1800-y

Abstract:

● A spindle-shaped influent chamber was designed and equipped in FCDI system.

Keywords： Spindle-shaped chamber     Desalination performance     Flow electrode capacitive deionization    

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Compositional and structural study of ash deposits spatially distributed in superheaters of a large biomass-fired

Yishu XU, Xiaowei LIU, Jiuxin QI, Tianpeng ZHANG, Minghou XU, Fangfang FEI, Dingqing LI

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 449-459 doi: 10.1007/s11708-021-0734-3

Abstract: Recognizing the nature and formation progress of the ash deposits is essential to resolve the deposition problem hindering the wide application of large-scale biomass-fired boilers. Therefore, the ash deposits in the superheaters of a 220 t/h biomass-fired CFB boiler were studied, including the platen (PS), the high-temperature (HTS), the upper and the lower low-temperature superheaters (LTS). The results showed that the deposits in the PSs and HTSs were thin (several millimeters) and compact, consisting of a yellow outer layer and snow-white inner layer near the tube surface. The deposits in the upper LTS appeared to be toughly sintered ceramic, while those in the lower LTS were composed of dispersive coarse ash particles with an unsintered surface. Detailed characterization of the cross-section and the initial layers in the deposits revealed that the dominating compositions in both the PSs and the HTSs were Cl and K (approximately 70%) in the form of KCl. Interestingly, the cross-section of the deposition in the upper LTS exhibited a unique lamellar structure with a major composition of Ca and S. The contents of Ca and Si increased from approximately 10% to approximately 60% in the deposits from the high temperature surfaces to the low temperature ones. It was concluded that the vaporized mineral matter such as KCl played the most important role in the deposition progress in the PS and the HTS. In addition, although the condensation of KCl in the LTSs also happened, the deposition of ash particles played a more important role.

Keywords： ash deposition     biomass combustion     circulating fluidized bed     initial layer     structure analysis    

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Simulation of horizontal slug-flow pneumatic conveying with kinetic theory

GU Zhengmeng, GUO Liejin

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 336-340 doi: 10.1007/s11708-007-0050-6

Abstract: Wavelike slug-flow is a representative flow type in horizontal pneumatic conveying.Kinetic theory was introduced to establish a 3D kinetic numerical model for wavelike slug gas-solid flowThe characteristics of the flow, such as pressure drop, air velocity distribution, slug length and settledindicate that kinetic theory can represent the physical characteristics of the non-suspension dense phase flowThe experiment in this paper introduced a new idea for the numerical calculation of slug-flow pneumatic

Keywords： velocity distribution     detailed     slug-flow     gas-solid     theory    

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Characterization and comparison of organic functional groups effects on electrolyte performance for vanadium redox flow

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1221-1230 doi: 10.1007/s11705-023-2298-8

Abstract: The vanadium redox flow battery with a safe and capacity-controllable large-scale energy storage systemlimitations, as well as to investigate the effects of various organic functional groups on the vanadium redox flow

Keywords： vanadium redox flow battery     functional groups     organic additives     energy density     stability    

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Experimental study on combined buoyant-thermocapillary flow along with rising liquid film on the surface

Manuel J. GOMES, Ning MEI

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 114-126 doi: 10.1007/s11708-017-0483-5

Abstract: immersion of a horizontal metallic mesh tube in the liquid on combined buoyant and thermo-capillary flowThe combined flow occurs along with the rising liquid film flow on the surface of a horizontal metallicThese reveal two distinct flow patterns.with the rising liquid film flow.free surface and identified as the thermo-capillary (Marangoni) flow.

Keywords： rising liquid film     combined flow     thermo-capillary flow     buoyant flow     metallic mesh tube     horizontal tube    

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Comparison of membrane fouling in ultrafiltration of down-flow and up-flow biological activated carbon

Lu Ao, Wenjun Liu, Yang Qiao, Cuiping Li, Xiaomao Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1046-7

Abstract:

The UF membrane fouling by down- and up-flow BAC effluents were compared

Up-flow BAC effluent fouled the membrane fasterthan down-flow BAC effluent.

Keywords： Ultrafiltration     Membrane fouling     Down-flow biological activated carbon     Up-flow biological activated carbon    

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GIS-based numerical simulation of Amamioshima debris flow in Japan

Jian WU, Guangqi CHEN, Lu ZHENG, Yingbin ZHANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 206-214 doi: 10.1007/s11709-013-0198-6

Abstract: Debris flow is a rapid flow which could lead to severe flooding with catastrophic consequences such asIt is important to study the movement of debris flow.Since during a debris flow process, the erosion and deposition processes are important, the no entrainmentIn this study, first we considered the debris flow as equivalent fluid and adopted the depth-averagedFinally, the numerical model coupled with GIS is applied to simulate the debris flow occurred on Oct.

Keywords： debris flow     numerical simulation     GIS     movement     erosion     deposition    

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Burnett simulations of gas flow and heat transfer in microchannels

Fubing BAO, Jianzhong LIN

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 252-263 doi: 10.1007/s11465-009-0037-6

Abstract: In micro- and nanoscale gas flows, the flow falls into the transition flow regime.The Navier-Stokes equations fail to describe the gas flow in this regime.As a result, the high-order Burnett equations are used to study the gas flow and heat transfer characteristicsaugmented Burnett equations with high-order slip boundary conditions are then used to model the gas flow

Keywords： micro- and nanoscale gas flow     slip-transition flow regime     Burnett equations     numerical simulation    

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Study for entrained-flow gasifier modeling and measurement

Zhe WANG, Zheng LI, Fen HE

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 400-403 doi: 10.1007/s11705-010-0510-0

Abstract: The syngas composition change during the measurement process was analyzed using a detailed gas phase reaction mechanism. Results showed that the measurement error induced by the temperature and pressure change in the measurement process cannot be ignored. Based on the results, suggestions were proposed for syngas concentration measurement and temperature measurement.

Keywords： entrained-flow gasifier     syngas composition    

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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:

This article summarizes our studies on micro flow sensors fabricated on a flexible polyimide circuitThe micro flow sensor has merits of flexibility, structural simplicity, easy integrability with circuitsThe sensor, which adheres to an object surface, can detect the surface flow around the object.In our study, we install the fabricated micro flow sensors on micro aerial vehicles (MAVs) to detectthe surface flow variation around the aircraft wing and deduce the aerodynamic parameters of the MAVs

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

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Theoretical analysis and experimental investigation of valveless piezoelectric pump with unsymmetrical ridges

ZHANG Jianhui, LU Jizhuang, XIA Qixiao, LI Hong

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 13-19 doi: 10.1007/s11465-007-0002-1

Abstract: Meanwhile, the theoretical equation of the pump flow rate is established.Finally, a real valveless piezoelectric pump with unsymmetrical ridges is manufactured, and the flowIt is proved that the theory is rational and correct by comparing the experimental flow rate and thetheoretical flow rate.In addition, for calculating the theoretical flow rate, the positive and converse flow resistance coefficients

Keywords： unsymmetrical     theoretical flow     theoretical equation     pump flow     converse flow    

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Title Author Date Type Operation

Bayesian Optimization for Field-Scale Geological Carbon Storage

Xueying Lu, Kirk E. Jordan, Mary F. Wheeler, Edward O. Pyzer-Knapp, Matthew Benatan

Journal Article

Numerical study of internal flow field and flow passage improvement of an inlet particle separator

Florian PAOLI, Tong WANG

Journal Article

The Following-observing Method for Substance Flow Analysis

Lu Zhongwu

Journal Article

UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Journal Article

A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Journal Article

Compositional and structural study of ash deposits spatially distributed in superheaters of a large biomass-fired

Yishu XU, Xiaowei LIU, Jiuxin QI, Tianpeng ZHANG, Minghou XU, Fangfang FEI, Dingqing LI

Journal Article

Simulation of horizontal slug-flow pneumatic conveying with kinetic theory

GU Zhengmeng, GUO Liejin

Journal Article

Characterization and comparison of organic functional groups effects on electrolyte performance for vanadium redox flow

Journal Article

Experimental study on combined buoyant-thermocapillary flow along with rising liquid film on the surface

Manuel J. GOMES, Ning MEI

Journal Article

Comparison of membrane fouling in ultrafiltration of down-flow and up-flow biological activated carbon

Lu Ao, Wenjun Liu, Yang Qiao, Cuiping Li, Xiaomao Wang

Journal Article

GIS-based numerical simulation of Amamioshima debris flow in Japan

Jian WU, Guangqi CHEN, Lu ZHENG, Yingbin ZHANG

Journal Article

Burnett simulations of gas flow and heat transfer in microchannels

Fubing BAO, Jianzhong LIN

Journal Article

Study for entrained-flow gasifier modeling and measurement

Zhe WANG, Zheng LI, Fen HE

Journal Article

Flexible micro flow sensor for micro aerial vehicles

Rong ZHU, Ruiyi QUE, Peng LIU

Journal Article

Theoretical analysis and experimental investigation of valveless piezoelectric pump with unsymmetrical ridges

ZHANG Jianhui, LU Jizhuang, XIA Qixiao, LI Hong

Journal Article