[HTML][HTML] Investigating laser beam shadowing and powder particle dynamics in directed energy deposition through high-fidelity modelling and high-speed imaging
Laser beam shadowing in directed energy deposition process occurs when in-flight powder
particles partially block the laser beam, preventing it from fully reaching the melt pool. This …
particles partially block the laser beam, preventing it from fully reaching the melt pool. This …
A coupled CFD-DEM simulation of fracture sealing: effect of lost circulation material, drilling fluid and fracture conditions
Lost circulation could be one of the most troublesome and expensive situations during
drilling, especially in naturally fractured formations. Sealing fractures by granular lost …
drilling, especially in naturally fractured formations. Sealing fractures by granular lost …
Review on the chemical reduction modelling of hematite iron ore to magnetite in fluidized bed reactor
RK Soni, E Chinthapudi, SK Tripathy… - Reviews in Chemical …, 2023 - degruyter.com
Steel production is considered as one of the major backbones of many economies. Though
blast furnace is the primary route of steel production, the industries are willing to alternatives …
blast furnace is the primary route of steel production, the industries are willing to alternatives …
Numerical modeling of structural body deformation under free surface flow based on volume of fluid–discrete element method coupling
In this work, we proposed a numerical model based on the coupling of the volume of fluid–
discrete element method and bond particle method (BPM). The simulation of particle …
discrete element method and bond particle method (BPM). The simulation of particle …
[HTML][HTML] Fracture sealing performance of granular lost circulation materials at elevated temperature: A theoretical and coupled CFD-DEM simulation study
Lost circulation is a common downhole problem of drilling in geothermal and high-
temperature, high-pressure (HTHP) formations. Lost circulation material (LCM) is a regular …
temperature, high-pressure (HTHP) formations. Lost circulation material (LCM) is a regular …
A coupled CFD-DEM numerical simulation of formation and evolution of sealing zones
Lost circulation can be one of the most troublesome situations during drilling, especially in
naturally fractured formations. This situation may lead to serious economic losses because …
naturally fractured formations. This situation may lead to serious economic losses because …
Simulation study of micro-proppant carrying capacity of supercritical CO2 (Sc-CO2) in secondary fractures of shale gas reservoirs
Micro-proppants with stronger portability have more potential to migrate to the massive micro-
sized secondary fractures (SFs) or natural fractures activated by supercritical CO 2 (Sc-CO …
sized secondary fractures (SFs) or natural fractures activated by supercritical CO 2 (Sc-CO …
Study of particle clogging pattern in concrete seepage process based on multi-scale VOF-DEM and experimental comparison
This paper presents an in-depth analysis of the clogging behavior of multi-graded particles
within permeable asphalt concrete, and discusses the seepage mechanism. Through the …
within permeable asphalt concrete, and discusses the seepage mechanism. Through the …
CFD-DEM modeling of filtration through conventional and conical geotextile filter systems
A significant contributor to retaining wall structural failure occurs due to inadequate drainage
in the backfill. A numerical model based on a computational fluid dynamics and discrete …
in the backfill. A numerical model based on a computational fluid dynamics and discrete …
Numerical studies on particle dynamics in a spouted bed
A coupled computational fluid dynamics (CFD)-discrete element method (DEM) technique
has been adopted to examine the dynamic behavior of particles in a rectangular spouted …
has been adopted to examine the dynamic behavior of particles in a rectangular spouted …