Results 61 to 70 of about 22,074 (263)

Hyperbolic Covariant Coherent Structures in two dimensional flows

open access: yes, 2017
A new method to describe hyperbolic patterns in two dimensional flows is proposed. The method is based on the Covariant Lyapunov Vectors (CLVs), which have the properties to be covariant with the dynamics, and thus being mapped by the tangent linear ...
Badin, Gualtiero, Conti, Giovanni
core   +2 more sources

Boundary layer flow and heat-mass transfer of shear-thinning nanofluid past a thin needle: Electroperiodic magnetic field and thermo-diffusion effects

open access: yesNuclear Engineering and Technology
Heat and mass transfer in a boundary layer flow (BLF) of shear-thinning nanofluid (NF) around a thin needle has various practical applications including industrial processes, like medical devices, complicated cooling systems, high-efficiency thermal ...
Samia Nasr   +3 more
doaj   +1 more source

Impact of chemical processes on magnetized tangent hyperbolic nanofluid with bio-convection aspects

open access: yesResults in Engineering, 2023
The study of nanofluids has remarkable uses for researchers because of their fascinating implications in medication delivery, biotechnology, aerodynamic procedures, food privilege, nanotechnology, cool atomic reactors, chemotherapy, next generation film ...
Zubair Hussain   +6 more
doaj   +1 more source

Targeted mixing in an array of alternating vortices [PDF]

open access: yes, 2007
Transport and mixing properties of passive particles advected by an array of vortices are investigated. Starting from the integrable case, it is shown that a special class of perturbations allows one to preserve separatrices which act as effective ...
A. Crisanti   +12 more
core   +3 more sources

A Data Driven Review of In Vitro Electrical and Mechanical Stimulation for Post‐Acute Phase Wound Healing

open access: yesAdvanced Healthcare Materials, EarlyView.
This review examines how in vitro electrical and mechanical stimulation modulates wound healing in fibroblasts and keratinocytes. Analyzing over 560 experimental data points, we relate stimulation parameters to proliferation and migration outcomes, evaluate platform designs, and highlight the need for multi‐parameter optimization to advance targeted ...
Matthew K. Burgess   +3 more
wiley   +1 more source

Numerical study for bio-convection flow of tangent hyperbolic nanofluid over a Riga plate with activation energy

open access: yesAlexandria Engineering Journal, 2022
A mathematical model for the two-dimensional flow of tangent hyperbolic nanofluid over a Riga plate in the existence of gyrotactic microorganisms is discussed. For velocity, temperature, and concentration, Wu's velocity slip, thermal convection, and zero
Hassan Waqas   +3 more
doaj   +1 more source

Freeform Manufacturing of Plant‐Based Structural Colors for Scalable Photonic and Mechanochromic Devices

open access: yesAdvanced Materials, EarlyView.
A green, freeform manufacturing approach that utilizes robust aqueous two‐phase systems to create intricate and scalable photonic structures and non‐planar mechanochromic hydrogel actuators from plant‐based hydroxypropyl cellulose. This approach broadens the structural possibilities of sustainable photonic devices and mechanochromic systems, offering ...
Xiao Song   +14 more
wiley   +1 more source

Topological Point Defects in SmC* Liquid Crystals Under Mechanical Disturbance

open access: yesAdvanced Materials Interfaces, EarlyView.
Tangetial air jet shear inducess island formation and nucleates topological point defects in uniform SmC films. Island bounded by edge dislocation loops shrink and transform into isolated point defects under continued shear. Mechanical perturbatio provides a controllable route for defect engineering in smectric liquid crystal thin films.
Gunganist Kongklad   +3 more
wiley   +1 more source

Flow‐Adaptive Gas Sensing Enabled Using a Uniform Au Nanosheet Sensor Array and a Neural Network Inference

open access: yesAdvanced Materials Technologies, EarlyView.
Integrated Au nanosheet sensor array enables simultaneous inference of gas concentration and flow rate via deep neural network analysis, without external flow control. ABSTRACT Gas sensor responses are considerably affected by gas flow rates, thereby inhibiting the accurate detection of target gas concentrations in variable‐flow applications such as ...
Taro Kato   +4 more
wiley   +1 more source

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