a ₀, a ₃, a ₄

Constants

a ₁, a ₂

Particle radius, m, or constants

A

Filtration area or settling area, m ², or Hamaker constant, J

A _av

Arithmetic average surface area of cake in centrifuge in direction of filtration, m ²

A _c

Area of cloth used in a constant pressure filtration that follows cake formation with a pump or area of cloth used in a consolidation phase, m ²

A _lm

Log mean surface area of cake in centrifuge in direction of filtration, m ²

A ₀

Area of cylindrical filter element (candle) or filtering centrifuge bowl, m ²

A _p

Area of cloth in a single tilting pan, plate or chamber, m ²

A _T

Total area of cloth on filter, m ²

b, b ₀ b ₂

Constants

c

Effective concentration of solids in the feed or suspension, kg m ^{? 3}

C

Volume fraction of solids in a cake

C _e

Modified consolidation coefficient, m ² s ^{? 1}

C _{e 0}

Modified consolidation coefficient at unit applied pressure, m ² s ^?1 kPa ^{? ?}

C _l

Mass of solid per volume of liquid in a suspension, kg m ^{? 3}

C ₀

Volume fraction of solids in a cake at unit applied pressure,...