NSTL国家科技图书文献中心

1. Dense granular flow described by micropolar fluid and its peridynamic implementation NSTL国家科技图书文献中心

Wan, Ji | Qu, Wenzhong ... - 《Acta Geotechnica》 - 2025,20(1) - 413～438 - 共26页

摘要： granular flow with a modified mu(I) rheology flow law | horizon size on the granular* mu(I) flow are discussed in* | the translational movement of the granular flow | behavior of the granular* flow. Increasing either micro* | , we find it affects the granular* flow only on the*

关键词： mu(I) rheology | Column collapse | Dense granular flow | Micropolar fluid | Peridynamics

2. Modeling the Dense Granular Flow Rheology of Particles With Different Surface Friction: Implications for Geophysical Mass Flows NSTL国家科技图书文献中心

Cui, Kahlil F. E. | Zhou, Gordon G. D.... - 《Journal of geophysical research.Earth Surface》 - 2025,130(3) - n/a～n/a - 共18页

摘要： discrete element method simulations of dense granular | and microstructure. To study the flow* of surface* | friction-different granular* mixtures, we conducted* | parameters of a wide range of mixture scenarios and flow | determination of the flow* resistance due to friction*

关键词： granular flow | surface friction | granular rheology | DEM

3. Dry and immersed granular column collapse: Flow dynamics and transient rheology NSTL国家科技图书文献中心

Lin, Jiayu | Zhao, Tao ... - 《Powder Technology》 - 2025,453 - 共12页

摘要： behavior of dense* granular assembly leading to greater* | followed by the granular* flow in the critical state. In* | The granular* column collapse is a simplified* | flows, such as landslides, debris flow, and rock | of these granular* flows is crucial in the*

关键词： CFD-DEM | Granular column collapse | Dynamics | Transient rheology | Non-local behavior

4. Thermodynamics-based modelling of undrained viscoplastic flow deformation in granular material NSTL国家科技图书文献中心

Yang Xiao | Fang Liang ... - 《International journal of engineering science》 - 2025,211(Jun.) - 104251.1～104251.26 - 共26页

摘要： viscoplasticity with considerations of the granular kinetic flow | captures the diversity of undrained granular* flow pattern* | granular kinetic fluctuation varying from dilative dense | In this paper, the thermodynamics of granular | unified modelling of undrained viscoplastic flow

关键词： Granular material | Undrained shearing | Constitutive model | Non-coaxiality | Critical state

5. Numerical study on startup behaviors of dense powder conveying in powder fueled ramjets using modified TFM incorporated with μ(I) rheology theory NSTL国家科技图书文献中心

Gao, Shilin | Zhang, Haibin ... - 《Powder Technology》 - 2025,452 - 共14页

摘要： of granular* flow. New constructed model was* | model was presented for dense* powder conveying in* | characteristics, and three distinct sub-stages of dense* powder* | startup behaviors of dense* powder conveying, and offers* | new insights into the dynamics of dense* powder*

关键词： Dense powder conveying | Startup | Two-fluid model | mu ( I ) rheology theory | Relative volatility

6. Ultrasound-induced dense granular flows: a two-time scale modelling NSTL国家科技图书文献中心

Martin, H. A. | Mangeney, A.... - 《Journal of Fluid Mechanics》 - 2025,1004 - 共34页

摘要： numerically investigate two-dimensional dense* granular flows* | . Granular* materials provide a relevant model system to* | ultrasound-induced granular* avalanches can be related to a* | optically opaque granular* medium remains a challenging* | grain scale that eventually lead to a continuous flow

关键词： dry granular material | waves in random media | computational methods

7. Enhancing the computational performance of granular flow simulations in DEM and CFD-DEM with Adaptive Sparse Contacts (ASC) NSTL国家科技图书文献中心

Collard-Daigneault, ... | Vidal, David ... - 《Powder Technology》 - 2025,452 - 共16页

摘要： numerical method to predict granular* flows. However* | state, through granular* temperature evaluation. An* | in particulate flow* dynamics with a speedup up to* | 2.4x. The sensitivity of the method to the granular | conveying cases shows suitability for capturing dense

关键词： Granular material | Discrete element method (DEM) | CFD-DEM | Computational efficiency | Granular temperature | High-performance computing (HPC)

8. On the formation of super-stable granular heaps NSTL国家科技图书文献中心

Lloyd, H. A. | Maguire, E. S. F.... - 《Journal of Fluid Mechanics》 - 2025,1002 - 共42页

摘要：A super-stable granular* heap is a pile of* | gradually steepens until all the inflowing grains can flow | angle of repose, then all the grains eventually flow | granular material is assumed to be incompressible and | dense liquid-like flows as well as the evolving heap

关键词： avalanches | dry granular material | rheology

9. Experimental characterization of heat transfer coefficients in a moving-bed shell-and-plate heat exchanger with non-contact temperature measurements NSTL国家科技图书文献中心

J. Michael Mayer | Noah Walters ... - 《International Journal of Heat and Mass Transfer》 - 2025,242(Jun.) - 126819.1～126819.14 - 共14页

摘要：Dense particle flows have important | exchanger. The particle mass flow* rate and particle inlet* | transfer coefficient increased with particle mass flow | constant when mass flow* rate was increased further, up to* | warpage from thermal expansion. A companion plug flow

关键词： Heat transfer coefficients | Particle heat exchangers | Moving packed beds | Thermal imaging | Pyrometry | Nusselt number correlations

10. Global self‐similarity of dense granular flow in silo: The role of silo width NSTL国家科技图书文献中心

Changhao Li | Xin Li ... - 《AIChE Journal》 - 2024,70(11) - n/a～n/a - 共10页

摘要： granular flow in a two‐dimensional silo is investigated | consequently increases the dense* flow rate. An exponential* | Abstract The influence of silo width on dense | through experiments and simulations. Though the flow | in flow* rate for smaller silo widths. Both*

摘要： granular flow with a modified mu(I) rheology flow law | horizon size on the granular* mu(I) flow are discussed in* | the translational movement of the granular flow | behavior of the granular* flow. Increasing either micro* | , we find it affects the granular* flow only on the*

关键词： mu(I) rheology | Column collapse | Dense granular flow | Micropolar fluid | Peridynamics

摘要： discrete element method simulations of dense granular | and microstructure. To study the flow* of surface* | friction-different granular* mixtures, we conducted* | parameters of a wide range of mixture scenarios and flow | determination of the flow* resistance due to friction*

关键词： granular flow | surface friction | granular rheology | DEM

摘要： behavior of dense* granular assembly leading to greater* | followed by the granular* flow in the critical state. In* | The granular* column collapse is a simplified* | flows, such as landslides, debris flow, and rock | of these granular* flows is crucial in the*

关键词： CFD-DEM | Granular column collapse | Dynamics | Transient rheology | Non-local behavior

摘要： viscoplasticity with considerations of the granular kinetic flow | captures the diversity of undrained granular* flow pattern* | granular kinetic fluctuation varying from dilative dense | In this paper, the thermodynamics of granular | unified modelling of undrained viscoplastic flow

关键词： Granular material | Undrained shearing | Constitutive model | Non-coaxiality | Critical state

摘要： of granular* flow. New constructed model was* | model was presented for dense* powder conveying in* | characteristics, and three distinct sub-stages of dense* powder* | startup behaviors of dense* powder conveying, and offers* | new insights into the dynamics of dense* powder*

关键词： Dense powder conveying | Startup | Two-fluid model | mu ( I ) rheology theory | Relative volatility

关键词： dry granular material | waves in random media | computational methods

摘要： numerical method to predict granular* flows. However* | state, through granular* temperature evaluation. An* | in particulate flow* dynamics with a speedup up to* | 2.4x. The sensitivity of the method to the granular | conveying cases shows suitability for capturing dense

关键词： Granular material | Discrete element method (DEM) | CFD-DEM | Computational efficiency | Granular temperature | High-performance computing (HPC)

摘要：A super-stable granular* heap is a pile of* | gradually steepens until all the inflowing grains can flow | angle of repose, then all the grains eventually flow | granular material is assumed to be incompressible and | dense liquid-like flows as well as the evolving heap

关键词： avalanches | dry granular material | rheology

摘要：Dense particle flows have important | exchanger. The particle mass flow* rate and particle inlet* | transfer coefficient increased with particle mass flow | constant when mass flow* rate was increased further, up to* | warpage from thermal expansion. A companion plug flow

关键词： Heat transfer coefficients | Particle heat exchangers | Moving packed beds | Thermal imaging | Pyrometry | Nusselt number correlations

摘要： granular flow in a two‐dimensional silo is investigated | consequently increases the dense* flow rate. An exponential* | Abstract The influence of silo width on dense | through experiments and simulations. Though the flow | in flow* rate for smaller silo widths. Both*

关键词： dense granular flow | discrete element method | flow rate | granular materials | silo width

4008-161-200 800-990-8900

国家科技图书文献中心

摘要： granular flow with a modified mu(I) rheology flow law | horizon size on the granular mu(I) flow are discussed in | the translational movement of the granular flow | behavior of the granular flow. Increasing either micro | , we find it affects the granular flow only on the

关键词： mu(I) rheology | Column collapse | Dense granular flow | Micropolar fluid | Peridynamics

摘要： discrete element method simulations of dense granular | and microstructure. To study the flow of surface | friction-different granular mixtures, we conducted | parameters of a wide range of mixture scenarios and flow | determination of the flow resistance due to friction

关键词： granular flow | surface friction | granular rheology | DEM

摘要： behavior of dense granular assembly leading to greater | followed by the granular flow in the critical state. In | The granular column collapse is a simplified | flows, such as landslides, debris flow, and rock | of these granular flows is crucial in the

关键词： CFD-DEM | Granular column collapse | Dynamics | Transient rheology | Non-local behavior

摘要： viscoplasticity with considerations of the granular kinetic flow | captures the diversity of undrained granular flow pattern | granular kinetic fluctuation varying from dilative dense | In this paper, the thermodynamics of granular | unified modelling of undrained viscoplastic flow

关键词： Granular material | Undrained shearing | Constitutive model | Non-coaxiality | Critical state

摘要： of granular flow. New constructed model was | model was presented for dense powder conveying in | characteristics, and three distinct sub-stages of dense powder | startup behaviors of dense powder conveying, and offers | new insights into the dynamics of dense powder

关键词： Dense powder conveying | Startup | Two-fluid model | mu ( I ) rheology theory | Relative volatility

关键词： dry granular material | waves in random media | computational methods

摘要： numerical method to predict granular flows. However | state, through granular temperature evaluation. An | in particulate flow dynamics with a speedup up to | 2.4x. The sensitivity of the method to the granular | conveying cases shows suitability for capturing dense

关键词： Granular material | Discrete element method (DEM) | CFD-DEM | Computational efficiency | Granular temperature | High-performance computing (HPC)

摘要：A super-stable granular heap is a pile of | gradually steepens until all the inflowing grains can flow | angle of repose, then all the grains eventually flow | granular material is assumed to be incompressible and | dense liquid-like flows as well as the evolving heap

关键词： avalanches | dry granular material | rheology

摘要：Dense particle flows have important | exchanger. The particle mass flow rate and particle inlet | transfer coefficient increased with particle mass flow | constant when mass flow rate was increased further, up to | warpage from thermal expansion. A companion plug flow

关键词： Heat transfer coefficients | Particle heat exchangers | Moving packed beds | Thermal imaging | Pyrometry | Nusselt number correlations

摘要： granular flow in a two‐dimensional silo is investigated | consequently increases the dense flow rate. An exponential | Abstract The influence of silo width on dense | through experiments and simulations. Though the flow | in flow rate for smaller silo widths. Both

关键词： dense granular flow | discrete element method | flow rate | granular materials | silo width

4008-161-200 800-990-8900

国家科技图书文献中心

摘要： granular flow with a modified mu(I) rheology flow law | horizon size on the granular* mu(I) flow are discussed in* | the translational movement of the granular flow | behavior of the granular* flow. Increasing either micro* | , we find it affects the granular* flow only on the*

摘要： discrete element method simulations of dense granular | and microstructure. To study the flow* of surface* | friction-different granular* mixtures, we conducted* | parameters of a wide range of mixture scenarios and flow | determination of the flow* resistance due to friction*

摘要： behavior of dense* granular assembly leading to greater* | followed by the granular* flow in the critical state. In* | The granular* column collapse is a simplified* | flows, such as landslides, debris flow, and rock | of these granular* flows is crucial in the*

摘要： viscoplasticity with considerations of the granular kinetic flow | captures the diversity of undrained granular* flow pattern* | granular kinetic fluctuation varying from dilative dense | In this paper, the thermodynamics of granular | unified modelling of undrained viscoplastic flow

摘要： of granular* flow. New constructed model was* | model was presented for dense* powder conveying in* | characteristics, and three distinct sub-stages of dense* powder* | startup behaviors of dense* powder conveying, and offers* | new insights into the dynamics of dense* powder*

摘要： numerical method to predict granular* flows. However* | state, through granular* temperature evaluation. An* | in particulate flow* dynamics with a speedup up to* | 2.4x. The sensitivity of the method to the granular | conveying cases shows suitability for capturing dense

摘要：A super-stable granular* heap is a pile of* | gradually steepens until all the inflowing grains can flow | angle of repose, then all the grains eventually flow | granular material is assumed to be incompressible and | dense liquid-like flows as well as the evolving heap

摘要：Dense particle flows have important | exchanger. The particle mass flow* rate and particle inlet* | transfer coefficient increased with particle mass flow | constant when mass flow* rate was increased further, up to* | warpage from thermal expansion. A companion plug flow

摘要： granular flow in a two‐dimensional silo is investigated | consequently increases the dense* flow rate. An exponential* | Abstract The influence of silo width on dense | through experiments and simulations. Though the flow | in flow* rate for smaller silo widths. Both*