This application note presents how to use our shear stress calculator based on the Elveflow online microfluidic calculator.
The shear stress can be defined as the force applied onto a surface, divided by the total surface on which the force is applied (F/A) and is commonly expressed in Pascal.
Shear stress calculation is the first part towards mastering the forces at stake in your microfluidic system. The second part lets you choose the right combination between your microfluidic chip, your microfluidic flow control and your flow sensor.
Elveflow’s online microfluidic calculator has been designed to help researchers and especially non-specialists of the microfluidics field.
It allows you to assess key parameters to configure your experiment, such as the shear stress at stake in your microfluidic system.
Here are some of the many applications made easier by this calculator:
Enter the value that you wish to convert in the top menu, select the initial unit.
Click on convert and obtain the resulting converted value as shown in the picture.
Enter the converted value in the Fluid properties section if you wish to pursue the microfluidic calculation to estimate flow rates, hydraulic resistance or shear stress.
Please refer to the application note: how to implement/convert the fluid properties inside my reservoir.
Either you can select from the drop down menu of the commonly used fluids in microfluidics or custom parameters for viscosity and density.
For the sake of this demo, we will use medium with 10% serum, commonly used.
The shear stress calculator works as simply as entering the value you wish to convert on the first section of the convertor, and obtaining the resulting converted value in the bottom section of the shear stress calculator…!
The shear stress calculator can convert shear stress or pressure from Pascal, bar, mBar, psi, kpa, N/m², dyn/cm² to suit all your needs.
To adjust precisely the shear stress applied in your system, pressure-driven flow controlled microfluidics is often recommended compared to other fluidic systems (syringe or peristaltic pumps).
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