Results 221 to 230 of about 75,520 (349)

Effect of Deviatoric Stress on Deformation Energy of Tectonic Coal: A Modified Energy Model Considering Nonlinearity

open access: yesEnergy Science &Engineering, EarlyView.
Construction of nonlinear deformation energy. ABSTRACT The deformation energy stored in soil‐like tectonic coal plays a critical role in coal and gas outbursts. Unlike hard rocks, tectonic coal exhibits pronounced stress–strain nonlinearity, invalidating traditional elastic energy models.
Chenghao Wang   +4 more
wiley   +1 more source

Hydraulic fracture model comparison study: Complete results

open access: green, 1993
N. R. Warpinski   +3 more
openalex   +2 more sources

Characterization of Proppant Flowback in Hydraulic Fracturing Rough Fractures

open access: yesEnergy Science &Engineering, EarlyView.
This graphical abstract reveals the proppant flowback mechanism and controlling factors in rough fracture through CFD‐DEM modeling. This study investigates unavoidable proppant flowback during fracturing, which leads to wellbore sand plugging and reduced fracture conductivity. A coupled CFD‐DEM model simulates flowback in rough fracture, revealing that
Shou Ma   +7 more
wiley   +1 more source

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