Hii all
I am quite new in Comsol but I want to make a 2 electrode conductivity sensor in Comsol. This sensor consist of two platinum electrodes with a AC voltage of 50 mV rms. These two electrodes have a double layer capacitance (Cdl) of 9.19E-4 F. The electrolyte I am using is KCL with an electrolyte conductivity of 331.6E-4 S/m and an electrolyte salt concentration of 2.106 mol/m^3.
Now my questions are: 1. How can I put a AC voltage on the two electrodes? 2. How can I add the Cdl parameter as a boundary condicition to the two electrodes?
I hope anyone can help me. I would really appreciate that.
Pien