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Microfiltration ( MF ) membranes are tested for water permeation at 2 9 3 . 1 5 K where the dynamic viscosity of water is
Microfiltration MF membranes are tested for water permeation at where the dynamic
viscosity of water is The membranes have uniformly sized cylindrical pores
with tortuosity of Using spreadsheets to estimate the water flux ; as a function of
a membrane structural parameter eg pore radius membrane thickness and porosity and
as a function of an operation condition eg the applied pressure and operating temperature
using the dependence as specified below:
When bar, porosity and membrane thickness calculate and
graph as a function of pore radius for varying from to
When bar, and calculate and plot for varying from to
When bar, and calculate and plot for varying from
to
When and plot ie flux vs applied pressure
for from to
When bar, and calculate and plot for
operating temperature varying from to The temperature dependence
of dynamic viscosity is given by
where unit of is Assume constant water density over the temperature range.
Viscous flow:
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