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Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 69-74 doi: 10.1007/s11708-010-0117-7

Abstract: conditions; thus, in order to acquire scientific energy analysis of the unit, thermodynamic analysis of a single-phase

Keywords： thermodynamic model     energy distribution     boiler     unsteady conditions    

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Application of different CFD multiphase models to investigate effects of baffles and nanoparticles on heat transfer enhancement

Ali SHAHMOHAMMADI,Arezou JAFARI

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 320-329 doi: 10.1007/s11705-014-1437-7

Abstract: To find an accurate model for CFD simulations, the results obtained by the single phase were compared

Keywords： CFD simulation     heat transfer     nanofluid     baffle     single phase model     multiphase model    

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Flow characteristics of single-phase flow in narrow annular channels

ZENG Heyi, SU Guanghui, JIA Dounan

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 466-470 doi: 10.1007/s11708-008-0101-7

Abstract: The characteristics of single-phase flow in narrow annular channels were analyzed and theoretical modelBased on the present model, the theoretical calculation was performed to predict the flow characteristicshigher the Reynolds number, the more remarkable the effect of gap size upon friction coefficient during single-phase

Keywords： narrow annuli     remarkable     mm     developed     friction    

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Robust switched fractional controller for performance improvement of single phase active power filter

H. AFGHOUL,F. KRIM,D. CHIKOUCHE,A. BEDDAR

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 203-212 doi: 10.1007/s11708-015-0381-7

Abstract: A novel controller is proposed to regulate the DC-link voltage of a single phase active power filter

Keywords： controller     fractional calculus (FC)     total harmonic distortion (THD)     Oustaloup continuous approximation (OCA)     singlephase active power filter (SPAPF)    

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Mathematical Model of Gas and Liquid Distribution in the Porous Electrode

Xu Xianzhi,Zhu Mei,Yang Jiming

Strategic Study of CAE 2005, Volume 7, Issue 8,   Pages 36-40

Abstract: Based on the mathematical model of the single pore electrode, the effective three-phase boundary lengthOne-dimensional current and overpotential mathematical model of the porous electrode process is alsoInfluence of the gas saturation and effective three-phase boundary length to the current and overpotential

Keywords： porous medium     overpotential     single pore electrode model     three-phase boundary     mathematic model    

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oligo-metastatic prostate cancer: safety and efficacy outcomes from an open-label, dose-escalation, single-center, phase I/II clinical trial

Frontiers of Medicine 2023, Volume 17, Issue 2,   Pages 231-239 doi: 10.1007/s11684-022-0939-9

Abstract: therapy for oligometastatic prostate cancer (OMPC), we conducted a 3 + 3 dose escalation, prospective, phaseI/II, single-arm clinical trial (CHiCTR1900025743), in which long-term neoadjuvant androgen deprivation

Keywords： neoadjuvant     radiotherapy     oligometastatic     prostate cancer     radical prostatectomy    

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allogeneic peripheral stem cell transplantation for adult patients with lymphoid malignancies: a prospective single-armphase II study

Ling Wang, Lining Wang, Xing Fan, Wei Tang, Jiong Hu

Frontiers of Medicine 2021, Volume 15, Issue 1,   Pages 108-115 doi: 10.1007/s11684-019-0730-8

Abstract: This single-arm phase II clinical trial (NCT01435447) involving 31 adult patients was conducted from

Keywords： post-transplantation cyclophosphamide     allogeneic hematopoietic stem cell transplantation     lymphoid malignancies    

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Numerical analysis of bearing behaviors of single batter piles under horizontal loads in various directions

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 224-237 doi: 10.1007/s11709-022-0914-1

Abstract: The horizontal bearing behavior of a single batter pile (SBP) is vital to its application in practicalFour model tests are conducted to preliminarily examine the effects of the skew angle of horizontal loadsconfirmed to be effective, as confirmed by the close agreement between the predicting results with the modeltest (reported in this study) and centrifuge model test results (reported in the literature).

Keywords： single batter pile     skew horizontal load     model test     finite-element analysis     empirical design method    

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High-order phase-field model with the local and second-order max-entropy approximants

Fatemeh AMIRI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 406-416 doi: 10.1007/s11709-018-0475-5

Abstract: We approximate the fracture surface energy functional based on phase-field method with smooth local maximumof the meshfree methods such as LME and SME approximants allows to directly solve the fourth-order phase-fieldwill first show that the crack surface functional can be captured more accurately in the fourth-order modelFurthermore, smaller length scale parameter is needed for the fourth-order model to approximate the energyThe proposed meshfree fourth-order phase-field formulation show more stable results for SME compared

Keywords： second-order maximum entropy     local maximum entropy     second- and fourth-order phase-field models     B-spline    

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Application of a weakly compressible smoothed particle hydrodynamics multi-phase model to non-cohesive

Rasoul MEMARZADEH, Gholamabbas BARANI, Mahnaz GHAEINI-HESSAROEYEH

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 412-424 doi: 10.1007/s11709-017-0432-8

Abstract: present study is the application of mesh free Lagrangian two-dimensional non-cohesive sediment transport modelapplied to a two-phase flow over an initially trapezoidal-shaped sediment embankment.To simulate the movement of sediment particles, the model considers a powerful two-part technique; whenthe sediment phase has rigid behavior, only the force term due to shear stress in the Navier-Stokesbetween computational results and experimental data shows that the model generally predicts well the

Keywords： WCSPH method     non-cohesive sediment transport     rheological model     two-part technique     two-phase dam break    

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Influence of damages on static behavior of single-layer cable net supported glass curtain wall: full-scalemodel test

Gang SHI, Yongjiu SHI, Yuanqing WANG, Yongzhi ZUO, Xiaohao SHI, Zaoyang GUO,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 383-395 doi: 10.1007/s11709-010-0074-6

Abstract: The single-layer cable net supported glass curtain wall has been applied in many building structuresTo study the influence of such damages on the static behavior of the single-layer cable net supportedglass curtain wall, a full-scale model with the outside outline size of 4.85 m × 4.85 damages that are the cable prestress loss and cable anchorage end failure are led into the structure modelThe stiffness contribution of glass panels to the single-layer cable net supported glass curtain wall

Keywords： single-layer plane cable net supported glass curtain wall     damage     cable prestress loss     cable anchorage    

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Numerical simulation of sudden-expansion two-phase flows with two-scale second-order moment particleturbulence model

ZENG Zhuoxiong, HAN Shoulei, ZHOU Lixing

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 202-206 doi: 10.1007/s11708-007-0026-6

Abstract: A two-scale second-order moment particle turbulence model is developed, based on the concept of particleThe model is employed to simulate gas-particle flows in a sudden-expansion chamber.Simulation results are compared with the experimental results and with those obtained by the single-scalesecond-order moment two-phase turbulence model.It is shown that the two-scale model is with higher calculating accuracy than the single-scale model.

Keywords： gas-particle     single-scale second-order     large-scale fluctuation     second-order     sudden-expansion    

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Constitutive Model for an FCC Single-Crystal Material

DING Zhi-ping, LIU Yi-lun, YIN Ze-yong, YANG Zhi-guo, CHENG Xiao-ming

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 40-47 doi: 10.1007/s11465-005-0012-9

Abstract: new yield criterion is put forward in terms of the characteristics of the face-centered cubic (FCC) single-crystalexperiments is very good, and the new criterion is used to predict the yield stresses of an internal single-crystalfunction as a plastic potential function from the associated flow rule, the elastic plastic constitutive modelfor the FCC single-crystal material is constructed, and the corresponding elastic plastic matrix is

Keywords： orthotropic     Thinking     accurate     prediction     corresponding    

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Hydromechanical model for hydraulic fractures using XFEM

Bo HE

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 240-249 doi: 10.1007/s11709-018-0490-6

Abstract: In this study, a hydromechanical model for fluid flow in fractured porous media is presented.Furthermore, the model is extended to includes crack propagation.examples are presented to demonstrate the versatility and efficiency of this two-scale hydromechanical model

Keywords： multi-phase medium     porous     fracture     multi-scale method    

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Coupled solid-fluid FE-analysis of an embankment dam

Michael PERTL, Matthias HOFMANN, Guenter HOFSTETTER

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 53-62 doi: 10.1007/s11709-010-0084-4

Abstract: A coupled solid-fluid FE-model for partially saturated soils, characterized by modeling the soil as athree-phase material consisting of a deformable soil skeleton and the fluid phases water and air, isAs a constitutive model for the soil skeleton, the well-known Barcelona Basic model (BBM) is employedThe coupled FE-model is applied to the coupled transient numerical simulation of the water flow and the

Keywords： multi-phase model     unsaturated soil model     Barcelona Basic model (BBM)     return mapping algorithm     embankment    

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Title Author Date Type Operation

Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Journal Article

Application of different CFD multiphase models to investigate effects of baffles and nanoparticles on heat transfer enhancement

Ali SHAHMOHAMMADI,Arezou JAFARI

Journal Article

Flow characteristics of single-phase flow in narrow annular channels

ZENG Heyi, SU Guanghui, JIA Dounan

Journal Article

Robust switched fractional controller for performance improvement of single phase active power filter

H. AFGHOUL,F. KRIM,D. CHIKOUCHE,A. BEDDAR

Journal Article

Mathematical Model of Gas and Liquid Distribution in the Porous Electrode

Xu Xianzhi,Zhu Mei,Yang Jiming

Journal Article

oligo-metastatic prostate cancer: safety and efficacy outcomes from an open-label, dose-escalation, single-center, phase I/II clinical trial

Journal Article

allogeneic peripheral stem cell transplantation for adult patients with lymphoid malignancies: a prospective single-armphase II study

Ling Wang, Lining Wang, Xing Fan, Wei Tang, Jiong Hu

Journal Article

Numerical analysis of bearing behaviors of single batter piles under horizontal loads in various directions

Journal Article

High-order phase-field model with the local and second-order max-entropy approximants

Fatemeh AMIRI

Journal Article

Application of a weakly compressible smoothed particle hydrodynamics multi-phase model to non-cohesive

Rasoul MEMARZADEH, Gholamabbas BARANI, Mahnaz GHAEINI-HESSAROEYEH

Journal Article

Influence of damages on static behavior of single-layer cable net supported glass curtain wall: full-scalemodel test

Gang SHI, Yongjiu SHI, Yuanqing WANG, Yongzhi ZUO, Xiaohao SHI, Zaoyang GUO,

Journal Article

Numerical simulation of sudden-expansion two-phase flows with two-scale second-order moment particleturbulence model

ZENG Zhuoxiong, HAN Shoulei, ZHOU Lixing

Journal Article

Constitutive Model for an FCC Single-Crystal Material

DING Zhi-ping, LIU Yi-lun, YIN Ze-yong, YANG Zhi-guo, CHENG Xiao-ming

Journal Article

Hydromechanical model for hydraulic fractures using XFEM

Bo HE

Journal Article

Coupled solid-fluid FE-analysis of an embankment dam

Michael PERTL, Matthias HOFMANN, Guenter HOFSTETTER

Journal Article