Results 21 to 30 of about 6,833,497 (160)

Adaptive linear solution process for single-phase Darcy flow

open access: yesOil & Gas Science and Technology, 2020
This article presents an adaptive approach for solving linear systems arising from self-adjoint Partial Differential Equations (PDE) problems discretized by cell-centered finite volume method and stemming from single-phase flow simulations. This approach
Anciaux-Sedrakian Ani   +3 more
doaj   +1 more source

Micro-volume couette flow sample orientation for absorbance and fluorescence linear dichroism [PDF]

open access: yes, 2004
Linear dichroism (LD) can be used to study the alignment of absorbing chromophores within long molecules. In particular, Couette flow LD has been used to good effect in probing ligand binding to DNA and to fibrous proteins.
Marrington, Rachel   +8 more
core   +1 more source

Kinematics of a Fluid Ellipse in a Linear Flow

open access: yesFluids, 2018
A four-parameter kinematic model for the position of a fluid parcel in a time-varying ellipse is introduced. For any ellipse advected by an arbitrary linear two-dimensional flow, the rates of change of the ellipse parameters are uniquely determined by ...
Jonathan M. Lilly
doaj   +1 more source

Turbulent structures, integral length scale and turbulent kinetic energy (TKE) dissipation rate in compound channel flow [PDF]

open access: yes, 2017
In the present study, high data rate measurements were obtained for the streamwise and vertical velocity components using 2D Laser Doppler Velocimeter. The turbulent field in a straight compound-channel flow was characterized for three different uniform ...
Roja-Solórzano, Luís R.   +3 more
core   +1 more source

Modelling of enhanced water flow in deformable carbon nanotubes using a linear pressure-diameter relationship [PDF]

open access: yes, 2023
Numerous researchers have documented a notable enhancement in water flow through nanotubes While modelling, these researchers typically treated the CNTs with rigid walls.
Ashish, Garg
core   +1 more source

The effect of fracture roughness on the onset of non-linear flow, supplementary data

open access: yes, 2020
Supplementary material for Cunningham, D., Auradou, H., Shojiei-Zaden, S., and Drazer, G. article, "The effect of fracture roughness on the onset of non-linear flow.

core   +1 more source

Linear modal instabilities of hypersonic flow over an elliptic cone [PDF]

open access: yes, 2016
Steady laminar flow over a rounded-tip 2 : 1 elliptic cone of 0.86 m length at zero angle of attack and yaw has been computed at Mach number 7.45 and unit Reynolds number Re′ = 1.015 × 107 m−1. The flow conditions are selected to match the planned flight
Gosse, R   +3 more
core   +1 more source

Protein fiber linear dichroism for structure determination and kinetics in a low-volume, low-wavelength couette flow cell [PDF]

open access: yes, 2004
High-resolution structure determination of soluble globular proteins relies heavily on x-ray crystallography techniques. Such an approach is often ineffective for investigations into the structure of fibrous proteins as these proteins generally do not ...
Rajendra, J   +15 more
core   +1 more source

Impact of Permanent Magnet Field on Inductance Variation of a PMLSM [PDF]

open access: yes, 2007
Analytical models of Surface Mounted Permanent Magnet Linear Synchronous Motors are generally presented with constant inductances. However, the impact of powerful rare-earth PMs in the saturation phenomena cannot be neglected anymore.
REMY, Ghislain   +9 more
core   +1 more source

Design of poiseuille flow controllers using the method of inequalities [PDF]

open access: yes, 2009
This paper investigates the use of the method of inequalities (MoI) to design output-feedback compensators for the problem of the control of instabilities in a laminar plane Poiseuille flow.
Whidborne, James F.   +2 more
core   +1 more source

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