Prediction of batch heat transfer coefficients for pseudoplastic fluids ...

S9
TABLE A-l
VISCOSITY OF 93.7 PERCE1~
GLYCERIN~
Temperature
(oC)
Viscosity
(Centipoise)
0 2760
10 982
20 413
30 193
L~O 99
50 56.5
60 34 .. 1
70 24 .. 7
80 15.3
90 10 .. 9
100 7.9
trhe data vrere assumed to fit an equation of the type e
(A-4
and Here plotted as the logarithm of f/ versus the reciprocal
of the absolute temperature $
The curve 'L,ras not linear
but a straight line viaS drm·m through the firs t
three
points (corresponding to 100, 90 and 80 °C) and extended
as Sh01·ffi on Figure A-l.
The difference be tvJeen the data and the stl"aight line
for any temperature \Vas measured and defined as f to give
equation A-5.
These differences are given in Table A-2.
jJ :: A10 B / T + f
(A-5