Notation
C = off bottom clearance, mm
D = dimeter of the agitator, mm
E = time-dependent energy spectrum
f = frequency, Hz
H = liquid height, mm
k = turbulent kinetic energy, m2·s-2
ksgs = subgrid scale turbulent kinetic energy, m2·s-2
M = torque, N·m
Msim = simulated torque, N·m
Mexp = experimental torque, N·m
N = rotational speed, rpm
NP = power number
NPsim = simulated power number
NPexp = experimental power number
P = power consumption, W
P10 = the plane before the baffle
P45 = the middle plane between two adjacent baffles
P-10 = the plane after the baffle
R = radial of the tank, mm
Re = Reynolds number
r = radial coordinate, mm
S = strain-rate tensor, s-1
T = diameter of the tank, mm
U = time-averaged velocity, m·s-1
Urms = RMS velocity, m·s-1
Utip = impeller tip velocity, m·s-1
V = volume of the agitator, mm3
Y+ = nondimensionalised wall distance
z = axial coordinate, mm