48
List of Symbols and Abbreviations
C.B. Elias and J.B. Joshi
a
ao
ADH
ABR
CBH
CMC
Cx
Di
D
D .... De
Eo, El, E2 ... E.
G
Hb S
ki
Kd
L
MCC
N
NRe
6P
Q
r
t
T
V
v
enzymatic activity
initial enzyme activity
alcohol dehydrogenase
attrition bioreactor
cellobiohydrolase
carboxy methyl cellulose
endo-fl- 1-4-glucanase
impeller diameter (m)
particle diameter (Jim)
maximum and equilibrium particle diameter (~tm)
specific activities of initial and active intermediate enzyme
conformations (g cm- 3)
rms velocity gradient (s-l)
sickle cell haemoglobin
first order deactivation rate constant (s-a)
protein aggregate breakup rate constant (t-l)
length of tube (m)
microcrystalline cellulose
impeller speed (s-l)
Reynolds number
pressure drop between two points (Pa m-1)
flow rate (1 min- l)
radius (m)
time (s)
torque (N m)
volume (m 3)
velocity
Greek Letters
~1~ C(2~ "" ~n
7
7r
ts
)~1, 22 .... •n
#
0r
"c
(.o
70
ratio of specific activities
shear rate (s-i)
shear rate at distance r from center of tube (s- l)
ratio between radii of bob and cup
function of deactivation rate constant
dynamic viscosity (N s m- 2)
angle between cone and plate surfaces
shear stress (N m- 2)
angular velocity of the rotating cup (rad s- i)
product of shear rate and time of exposure