anonymous dimensionless group 1-4

anonymous dimensionless group 1-4

[ə′nän·ə·məs di¦men·shən·ləs ′grüp ¦wən tə ¦fȯr]
(chemical engineering)
Four of the dimensionless groups, used to solve problems in transfer processes, gas absorption in wetted-wall columns, and laminar boundary-layer flow.