Dielectric question

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Consider having a hollow silicone tube of 7 mm diameter and a wall thickness of 1.5 mm. There are two copper foil plates that are both 64 mm^2 in area. Will a fluid, such as distilled water, passing through said tube have an measurable influence on producing a change in capacitance?

Note: k = 2.85 for silicone and 80 for distilled H2O. Will said capacitance be different before and during the presence of the H2O?
 
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Consider having a hollow silicone tube of 7 mm diameter and a wall thickness of 1.5 mm. There are two copper foil plates that are both 64 mm^2 in area. Will a fluid, such as distilled water, passing through said tube have an measurable influence on producing a change in capacitance?

Note: k = 2.85 for silicone and 80 for distilled H2O. Will said capacitance be different before and during the presence of the H2O?
Where are the copper plates? Whose capacitance?
 

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