Page 825 - Fundamentals of Water Treatment Unit Processes : Physical, Chemical, and Biological

780 Appendix B: Physical Constants and Physical Data

0.0020
8
0.0019 Y=M0+M1*x + ... M8*x +M9*x
0.0018 M0 0.0017802356694
M1 –5.6132434302e–05
0.0017
M2 1.0031470384e–06
0.0016 M3 –7.5406393887e–09
Dynamic viscosity (N s/m 2 ) 0.0014
0.0015
0.99991816551
R
0.0013
0.0012
0.0011
0.0010
0.0009
0.0008
0.0007
0.0006
0.0005
0 5 10 15 20 25 30 35 40 45 50
Temperature (°C)

FIGURE B.1 Dynamic viscosity of water as a function of temperature. (From Weast, R.C., Handbook of Chemistry and Physics, 59th edn.,
CRC Press, Inc., Boca Raton, FL, 1978, p. F51.)
2
Polynomial best-fit equation (R ¼ 0.9999):

N s
m ¼ 0:0017802356694 5:6132434302 10 5 T( C)

m 2
2
þ 1:0031470384 10 6 T( C) 7:5406393887 10 9 T( C) 3

1000

998

Density (kg/m 3 ) 996 Y =M0 + M1*x + ... M8*x + M9*x 9

8
999.84
M0
994
M1 0.068256
M2 –0.0091438
M3 0.00010295
992
M4 –1.1888e–06
M5 7.1515e–09
R 1
990
0 5 10 15 20 25 30 35 40
Temperature (°C)

FIGURE B.2 Density of water as a function of temperature. (From Lide, D.R. (Ed.), Handbook of Chemistry and Physics, 77th edn.,
1996–1997, CRC Press, Boca Raton, FL, 1996, p. 6-10.)
2
Polynomial best-fit equation (R ¼ 1):

kg
r ¼ 999:84 þ 0:068256 T( C) 0:0091438 T( C) 2

m 3
4
3
þ 0:00010295 T( C) 1:1888 10 6 T( C) þ 7:1515 10 9 T( C) 5