Question

Model proposed by the Friedlander, correlating the air filtration efficiency by impaction can be expressed as (where NSt is the Stokes number)

a.

ηimp = 0.075NSt1.2

b.

ηimp = 0.75NSt1.2

c.

ηimp = 0.25NSt1.2

d.

ηimp = 0.025NSt1.2

Answer: (a).ηimp = 0.075NSt1.2

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Q. Model proposed by the Friedlander, correlating the air filtration efficiency by impaction can be expressed as (where NSt is the Stokes number)

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