Fluids

Veryst offers state-of-the-art consulting in gaseous and liquid systems and products at large and small scales.  We employ advanced computational fluid dynamics (CFD) tools, analytical models, and laboratory testing to understand and visualize complex flow behavior.  Our engineers’ experience includes using CFD tools to understand lift and drag in wind tunnels and mixing and chemical transport in bioreactors, as well as using CFD tools and microscopy to characterize the microscale liquid transport in porous media and microfluidic devices.  Our fluid flow analysis often involves other physics such as heat and species transport, fluid-structure interaction, acoustics, surface tension and wetting, and particle or cell motion.  Veryst clients use our analyses to understand product performance and develop improvements, which in some cases has resulted in new intellectual property.

Veryst offers expertise in two core fluidic concentrations:

Computational Fluid Dynamics (CFD)

Veryst possesses advanced computational fluid dynamics capabilities.  We solve hard-to-address problems often involving coupled and nonlinear behaviors, such as those found in fluid/solid interaction, fluid/thermal coupling, multiphase flow, and species transport and reactions.  Read more about computational fluid dynamics.

Temperature and air velocity around LED_Bulb
Temperature and air velocity around LED Bulb

Microfluidics

Veryst offers a comprehensive approach to solving problems in microfluidic device product development.  We employ an array of modeling tools, such as scaling arguments, analytical formulas, and computational simulations, as well as laboratory testing to inform the design and integration of components such as micropumps, manifolds, and channel networks. Veryst has also modeled the transport of particles, cells, nutrients, drugs and waste, chemical reactions, heat transfer, surface tension and wetting effects, and shear stress effects on cells.  Read more about microfluidics.

 

 

Lung on a chip model
Multiphysics computational model of a lung-on-a-chip microfluidic device, including fluid-structure interaction, polymer mechanics models, blood and air flow, chemical species and particle transport

 

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Peristaltic Pump Fluid - Structure Interaction

The performance of peristaltic pumps is influenced by tube dimensions, tube material, rotary mechanism, and fluid properties. Veryst Engineering developed a strongly coupled fluid-structure interaction model that captures the deformation of the tube, rollers, and fluid, including contact.

Bubble Entrapment in Microchannels

Bubbles trapped in microchannels can distort the fluid flow and impact the device performance. Veryst developed a multiphase CFD model to predict the effect of geometry and surface properties on the likelihood of bubble entrapment.

LED Light Bulb Heat Transfer Simulation

Both the efficiency and life of an LED bulb drop when operated at high temperature. Given the wide range of possible shapes and sizes of heat sinks, Veryst Engineering developed a rapid and effective tool to compare design alternatives and estimate LED temperatures.

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