Results 201 to 210 of about 3,213 (251)

Transient frontal spectral events from EEG predict antidepressant response to sertraline in depression. [PDF]

J Psychiatr Res
Waller DA, Carpenter LL, Jones SR.
europepmc   +1 more source

Quadratic mixed convection of Maxwell-Buongiorno nanofluid over cubic stratified surface incorporating cross diffusion effects and solar radiation. [PDF]

Sci Rep
Khan A, Hashim, Farooq M, Qureshi MA, Prakash M, Guedri K, Fadhl BM, Almaliki AH, Bayram M.   +8 more
europepmc   +1 more source

Influence of coriolis force and nanoparticle aggregation on entropy generation and thermal conductivity in dusty nanofluid flow: a numerical investigation. [PDF]

Sci Rep
Ali B, Hussain M, Awan AU, Ahammad NA, Gamaoun F, Gusu DM, Nadeem S.   +6 more
europepmc   +1 more source

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Experimental and numerical study for the inertial dependence of non-Darcy coefficient in rough single fractures

Journal of Hydrology, 2021
Abstract This study experimentally and numerically investigated the influence of the inertial effect of fluid flow on the non-Darcy coefficient (β). The results showed that the non-Darcy coefficient (β), apparent permeability (ka), and hydraulic aperture (eh) decreased with the increase of Reynolds number (Re), which indicated that the non-Darcy ...
Weidong Zhao, Jiazhong Qian
exaly   +2 more sources

Evaluation of Forchheimer equation coefficients for non-Darcy flow in deformable rough-walled fractures

Journal of Hydrology, 2015
Summary This study focuses on experimental evaluation of the Forchheimer equation coefficients for non-Darcy flow in deformable rough-walled fractures. Water flow tests through twelve granite fracture samples with different roughness were conducted in a triaxial cell under confining stresses varying from 1.0 MPa to 30.0 MPa.
Ran Hu, Yi-Feng Chen, Jia-Qing Zhou
exaly   +2 more sources

Experimental study of drag coefficient in non-darcy steady and unsteady flow conditions in rockfill

Stochastic Environmental Research and Risk Assessment, 2021
It is very important to study the steady and unsteady flow through porous media and fluid- particle interactions. In the present study, using the experimental data obtained from experiments performed in a steel cylinder on small, medium and large materials, using Particle Swarm Optimization (PSO) algorithm was first used to optimize the coefficients of
Hadi Norouzi, Jalal Bazargan, Faezeh Azhang, Rana Nasiri   +3 more
openaire   +1 more source

Correlation of the Non-Darcy Flow Coefficient

Journal of Canadian Petroleum Technology, 1995
Abstract A general correlation for the non-Darcy flow coefficient with respect to permeability, porosity, and tortuosity using a wide variety of dam from consolidated and unconsolidated porous formations is presented.
X. Liu, F. Civan, R.D. Evans
openaire   +1 more source

Effect of Heterogeneity on the Non-Darcy Flow Coefficient

SPE Gas Technology Symposium, 1998
Abstract An analytical method for calculating an effective non-Darcy flow coefficient for a heterogeneous formation is presented. The method presented here can be used to calculate an effective non-Darcy flow coefficient for heterogeneous gridblocks in reservoir simulators. Based on this method, it is shown that the
Ganesh Narayanaswamy, Mukul M. Sharma, G. A. Pope   +2 more
openaire   +1 more source

Literature Review on Correlations of the Non-Darcy Coefficient

SPE Permian Basin Oil and Gas Recovery Conference, 2001
Abstract Darcy's law can not describe fluid flow accurately when the flow rate is high. In most cases in the recovery process, fluid flow is governed by Darcy's law. But when the flow rate is very high, for an instance, near the wellbore, Darcy's law is inadequate to describe fluid flow.
Dacun Li, Thomas Engler
openaire   +1 more source