Soft hydraulics: from Newtonian to complex fluid flows through compliant conduits
IC Christov - Journal of Physics: Condensed Matter, 2021 - iopscience.iop.org
Microfluidic devices manufactured from soft polymeric materials have emerged as a
paradigm for cheap, disposable and easy-to-prototype fluidic platforms for integrating …
paradigm for cheap, disposable and easy-to-prototype fluidic platforms for integrating …
Small-scale flow with deformable boundaries
In this article, we present an overview of research on flow in microconfinements with
deformable boundaries. The time frame of focus is the last decade (2007–2017). The article …
deformable boundaries. The time frame of focus is the last decade (2007–2017). The article …
Flow rate–pressure drop relation for deformable shallow microfluidic channels
Laminar flow in devices fabricated from soft materials causes deformation of the passage
geometry, which affects the flow rate–pressure drop relation. For a given pressure drop, in …
geometry, which affects the flow rate–pressure drop relation. For a given pressure drop, in …
Non-Newtonian fluid–structure interactions: Static response of a microchannel due to internal flow of a power-law fluid
We study fluid–structure interactions (FSIs) in a long and shallow microchannel, conveying a
non-Newtonian fluid, at steady state. The microchannel has a linearly elastic and compliant …
non-Newtonian fluid, at steady state. The microchannel has a linearly elastic and compliant …
Theory of the flow-induced deformation of shallow compliant microchannels with thick walls
Long, shallow microchannels embedded in thick, soft materials are widely used in
microfluidic devices for lab-on-a-chip applications. However, the bulging effect caused by …
microfluidic devices for lab-on-a-chip applications. However, the bulging effect caused by …
[HTML][HTML] Reduced models of unidirectional flows in compliant rectangular ducts at finite Reynolds number
Soft hydraulics, which addresses the interaction between an internal flow and a compliant
conduit, is a central problem in microfluidics. We analyze Newtonian fluid flow in a …
conduit, is a central problem in microfluidics. We analyze Newtonian fluid flow in a …
Generalization of elastohydrodynamic interactions between a rigid sphere and a nearby soft wall
Soft substrates, omnipresent in several fundamental processes ranging from the tribological
to biophysical, are often subjected to viscous fluid-mediated dynamic loading for their real …
to biophysical, are often subjected to viscous fluid-mediated dynamic loading for their real …
Nonuniform electro-osmotic flow drives fluid-structure instability
We demonstrate the existence of a fluid-structure instability arising from the interaction of
electro-osmotic flow with an elastic substrate. Considering the case of flow within a soft …
electro-osmotic flow with an elastic substrate. Considering the case of flow within a soft …
Unsteady fluid-structure interactions in a soft-walled microchannel: A one-dimensional lubrication model for finite Reynolds number
We develop a one-dimensional model for the unsteady fluid-structure interaction (FSI)
between a soft-walled microchannel and viscous fluid flow within it. A beam equation, which …
between a soft-walled microchannel and viscous fluid flow within it. A beam equation, which …
Elastohydrodynamics of a pre-stretched finite elastic sheet lubricated by a thin viscous film with application to microfluidic soft actuators
The interaction of a thin viscous film with an elastic sheet results in coupling of pressure and
deformation, which can be utilized as an actuation mechanism for surface deformations in a …
deformation, which can be utilized as an actuation mechanism for surface deformations in a …