Fluid Properties

Physical Properties of Water (English Units)

Temperature
(°F)
Density
ρ
(slugs/ft3)
Specific Weight
γ
(lb/ft3)
Dynamic Viscosity
μ
(lb⋅s/ft2)
Kinematic Visocity
ν
(ft2/s)
Surface Tension
σ
(lb/ft)
Vapor Pressure
Pv
[lb/in2(abs)]
Speed of Sound
c
(ft/s)
32
1.940
62.42
3.732 E -5
1.924 E -5
5.18 E -3
8.854 E -2
4603
40
1.940
62.43
3.228 E -5
1.664 E -5
5.13 E -3
1.217 E -1
4672
50
1.940
62.41
2.730 E -5
1.407 E -5
5.09 E -3
1.781 E -1
4748
60
1.938
62.37
2.344 E -5
1.210 E -5
5.03 E -3
2.563 E -1
4814
70
1.936
62.30
2.037 E -5
1.052 E -5
4.97 E -3
3.631 E -1
4871
80
1.934
62.22
1.791 E -5
9.262 E -6
4.91 E -3
5.069 E -1
4819
90
1.931
62.11
1.500 E -5
8.233 E -6
4.86 E -3
6.979 E -1
4960
100
1.927
62.00
1.423 E -5
7.383 E -6
4.79 E -3
9.493 E -1
4995
120
1.918
61.71
1.164 E -5
6.067 E -6
4.67 E -3
1.692 E +0
5049
140
1.908
61.38
9.743 E -6
5.106 E -6
4.53 E -3
2.888 E +0
5091
160
1.896
61.00
8.315 E -6
4.385 E -6
4.40 E -3
4.736 E +0
5101
180
1.883
60.58
7.207 E -6
3.827 E -6
4.26 E -3
7.507 E +0
5195
200
1.869
60.12
6.342 E -6
3.393 E -6
4.12 E -3
1.152 E +1
5089
212
1.860
59.83
5.886 E -6
3.165 E -6
4.04 E -3
1.469 E +1
5062

 

Physical Properties of Water (SI Units)

Temperature
(°C)
Density
ρ
(kg/m3)
Specific Weight
γ
(kN/m3)
Dynamic Viscosity
μ
(N⋅s/m2)
Kinematic Visocity
ν
(m2/s)
Surface Tension
σ
(N/m)
Vapor Pressure
Pv
[N/m2(abs)]
Speed of Sound
c
(m/s)
0
999.9
9.806
1.787 E -3
1.787 E -6
7.56 E -2
6.105 E +2
1403
5
1000.0
9.807
1.519 E -3
1.519 E -6
7.49 E -2
8.722 E +2
1427
10
999.7
9.804
1.307 E -3
1.307 E -6
7.42 E -2
1.228 E +3
1447
20
998.2
9.789
1.002 E -3
1.004 E -6
7.28 E -2
2.338 E +3
1481
30
995.7
9.765
7.975 E -4
8.009 E -7
7.12 E -2
4.243 E +3
1507
40
992.2
9.731
6.529 E -4
6.580 E -7
6.96 E -2
7.376 E +3
1526
50
988.1
9.690
5.468 E -4
5.534 E -7
6.79 E -2
1.233 E +4
1541
60
983.2
9.642
4.665 E -4
4.745 E -7
6.62 E -2
1.992 E +4
1552
70
977.8
9.589
4.042 E -4
4.134 E -7
6.44 E -2
3.116 E +4
1555
80
971.8
9.530
3.547 E -4
3.650 E -7
6.26 E -2
4.734 E +4
1555
90
965.3
9.467
3.147 E -4
3.260 E -7
6.08 E -2
7.010 E +4
1550
100
958.4
9.399
2.818 E -4
2.940 E -7
5.89 E -2
1.013 E +5
1543

Physical Properties of Air (English Units)

Temperature
(°F)
Density
ρ
(slugs/ft3)
Specific Weight
γ
(lb/ft3)
Dynamic Viscosity
μ
(lb⋅s/ft2)
Kinematic Visocity
ν
(ft2/s)
Specific Heat Ratio
k
Speed of Sound
c
(ft/s)
-40
2.939 E -3
9.456 E -2
3.29 E -7
1.12 E -4
1.401
1004
-20
2.805 E -3
9.026 E -2
3.34 E -7
1.19 E -4
1.401
1028
0
2.683 E -3
8.633 E -2
3.38 E -7
1.26 E -4
1.401
1051
10
2.626 E -3
8.449 E -2
3.44 E -7
1.31 E -4
1.401
1062
20
2.571 E -3
8.273 E -2
3.50 E -7
1.36 E -4
1.401
1074
30
2.519 E -3
8.104 E -2
3.58 E -7
1.42 E -4
1.401
1085
40
2.469 E -3
7.942 E -2
3.60 E -7
1.46 E -4
1.401
1096
50
2.420 E -3
7.786 E -2
3.68 E -7
1.52 E -4
1.401
1106
60
2.373 E -3
7.636 E -2
3.75 E -7
1.58 E -4
1.401
1117
70
2.329 E -3
7.492 E -2
3.82 E -7
1.64 E -4
1.401
1128
80
2.286 E -3
7.353 E -2
3.86 E -7
1.69 E -4
1.400
1138
90
2.244 E -3
7.219 E -2
3.90 E -7
1.74 E -4
1.400
1149
100
2.204 E -3
7.090 E -2
3.94 E -7
1.79 E -4
1.400
1159
120
2.128 E -3
6.846 E -2
4.02 E -7
1.89 E -4
1.400
1180
140
2.057 E -3
6.617 E -2
4.13 E -7
2.01 E -4
1.399
1200
160
1.990 E -3
6.404 E -2
4.22 E -7
2.12 E -4
1.399
1220
180
1.928 E -3
6.204 E -2
4.34 E -7
2.25 E -4
1.399
1239
200
1.870 E -3
6.016 E -2
4.49 E -7
2.40 E -4
1.398
1258
300
1.624 E -3
5.224 E -2
4.97 E -7
3.06 E -4
1.394
1348
400
1.435 E -3
4.616 E -2
5.24 E -7
3.65 E -4
1.389
1431
500
1.285 E -3
4.135 E -2
5.80 E -7
4.51 E -4
1.383
1509
750
1.020 E -3
3.280 E -2
6.81 E -7
6.68 E -4
1.367
1685
1000
8.445 E -4
2.717 E -2
7.85 E -7
9.30 E -4
1.351
1839
1500
6.291 E -4
2.024 E -2
9.50 E -7
1.51 E -3
1.329
2114

Physical Properties of Air (SI Units)

Temperature
(°C)
Density
ρ
(kg/m3)
Specific Weight
γ
(kN/m3)
Dynamic Viscosity
μ
(N⋅s/m2)
Kinematic Visocity
ν
(m2/s)
Specific Heat Ratio
k
Speed of Sound
c
(m/s)
-40
1.514
14.85
1.57 E -5
1.04 E -5
1.401
306.2
-20
1.395
13.68
1.63 E -5
1.17 E -5
1.401
319.1
0
1.292
12.67
1.71 E -5
1.32 E -5
1.401
331.4
5
1.269
12.45
1.73 E -5
1.36 E -5
1.401
334.4
10
1.247
12.23
1.76 E -5
1.41 E -5
1.401
337.4
15
1.225
12.01
1.80 E -5
1.47 E -5
1.401
340.4
20
1.204
11.81
1.82 E -5
1.51 E -5
1.401
343.3
25
1.184
11.61
1.85 E -5
1.56 E -5
1.401
346.3
30
1.165
11.43
1.86 E -5
1.60 E -5
1.400
349.1
40
1.127
11.05
1.87 E -5
1.66 E -5
1.400
354.7
50
1.109
10.88
1.95 E -5
1.76 E -5
1.400
360.3
60
1.060
10.40
1.97 E -5
1.86 E -5
1.399
365.7
70
1.029
10.09
2.03 E -5
1.97 E -5
1.399
371.2
80
0.9996
9.803
2.07 E -5
2.07 E -5
1.399
376.6
90
0.9721
9.533
2.14 E -5
2.20 E -5
1.398
381.7
100
0.9461
9.278
2.17 E -5
2.29 E -5
1.397
386.9
200
0.7461
7.317
2.53 E -5
3.39 E -5
1.390
434.5
300
0.6159
6.040
2.98 E -5
4.84 E -5
1.379
476.3
400
0.5243
5.142
3.32 E -5
6.34 E -5
1.368
514.1
500
0.4565
4.477
3.64 E -5
7.97 E -5
1.357
548.8
1000
0.2772
2.719
5.04 E -5
1.82 E -4
1.321
694.8

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