Table 1.4-2. Viscosities of Some Gases and Liquids at Atmospheric Pressure" Gases Temperature T(°C) Viscosity μ(mPa·s) Liquids Temperature T(°C) Viscosity (mPa·s) i-C₁₂H10 SF6 CH₁ H₂O 100 Hg 380 22282228 0.0076 (C₂H5)₂O 0.0153 0.0109 CH 0.012114 Br₂ 0.0146b Hg 20 0.0175b C₂H₂OH 20 0.0204 0.0654d H₂SO Glycerol 1222202822 0.283 25 0.224 0.649 25 0.744 1.552 1.786 25 1.074 0.694 25.54 25 934. KT/E (for viscosity or KT/EAB and thermal conductivity) QAB (for diffusivity) Table D.2. Collision Integrals for Use with the Lennard-Jones (6-12) Potential for the Prediction of Transport Properties of Gases at Low Densities.c * = "o 22 АБ (for diffusivity) KT/E or (for viscosity and thermal KT/EAB conductivity) 0.30 2.840 2.649 2.7 1.0691 0.9782 0.35 2.676 2.468 2.8 1.0583 0.9682 0.40 2.531 2.314 2.9 1.0482 0.9588 0.45 2.401 2.182 3.0 1.0388 0.9500 0.50 2.284 2.066 3.1 1.0300 0.9418 0.55 2.178 1.965 3.2 1.0217 0.9340 0.60 2.084 1.877 3.3 1.0139 0.9267 0.65 1.999 1.799 3.4 1.0066 0.9197 0.70 1.922 1.729 3.5 0.9996 0.9131 0.75 1.853 1.667 3.6 0.9931 0.9068 0.80 1.790 1.612 3.7 0.9868 0.9008 0.85 1.734 1.562 3.8 0.9809 0.8952 0.90 1.682 1.517 3.9 0.9753 0.8897 0.95 1.636 1.477 4.0 0.9699 0.8845 1.00 1.593 1.440 4.1 0.9647 0.8796 1.05 1.554 1.406 4.2 0.9598 0.8748 1.10 1.518 1.375 4.3 0.9551 0.8703 1.15 1.485 1.347 4.4 0.9506 0.8659 1.20 1.455 1.320 4.5 0.9462 0.8617 1.25 1.427 1.296 4.6 0.9420 0.8576 1.30 1.401 1.274 4.7 0.9380 0.8537 1.35 1.377 1.253 4.8 0.9341 0.8499 1.40 1.355 1.234 4.9 0.9304 0.8463 1.45 1.334 1.216 5.0 0.9268 0.8428 1.50 1.315 1.199 6.0 0.8962 0.8129 1.55 1.297 1.183 7.0 0.8727 0.7898 1.60 1.280 1.168 8.0 0.8538 0.7711 1.65 1.264 1.154 9.0 0.8380 0.7555 1.70 1.249 1.141 10.0 0.8244 0.7422 1.75 1.235 1.128 12.0 0.8018 0.7202 1.80 1.222 1.117 14.0 0.7836 0.7025 1.85 1.209 1.105 16.0 0.7683 0.6878 1.90 1.198 1.095 18.0 0.7552 0.6751 1.95 1.186 1.085 20.0 0.7436 0.6640 2.00 1.176 1.075 25.0 0.7198 0.6414 2.10 1.156 1.058 30.0 0.7010 0.6235 2.20 1.138 1.042 35.0 0.6854 0.6088 2.30 1.122 1.027 40.0 0.6723 0.5964 2.40 1.107 1.013 50.0 0.6510 0.5763 2.50 1.0933 1.0006 75.0 0.6140 0.5415 2.60 1.0807 0.9890 100.0 0.5887 0.5180 1. a. Calculate the viscosities of carbon dioxide and methane at 20 °C (293.15 K) and atmospheric pressure, and express the results in mPa·s. i. If necessary, round to nearest usable value in Table D.2. b. Compare the results with the experimental values in Table 1.4-2.
Table 1.4-2. Viscosities of Some Gases and Liquids at Atmospheric Pressure" Gases Temperature T(°C) Viscosity μ(mPa·s) Liquids Temperature T(°C) Viscosity (mPa·s) i-C₁₂H10 SF6 CH₁ H₂O 100 Hg 380 22282228 0.0076 (C₂H5)₂O 0.0153 0.0109 CH 0.012114 Br₂ 0.0146b Hg 20 0.0175b C₂H₂OH 20 0.0204 0.0654d H₂SO Glycerol 1222202822 0.283 25 0.224 0.649 25 0.744 1.552 1.786 25 1.074 0.694 25.54 25 934. KT/E (for viscosity or KT/EAB and thermal conductivity) QAB (for diffusivity) Table D.2. Collision Integrals for Use with the Lennard-Jones (6-12) Potential for the Prediction of Transport Properties of Gases at Low Densities.c * = "o 22 АБ (for diffusivity) KT/E or (for viscosity and thermal KT/EAB conductivity) 0.30 2.840 2.649 2.7 1.0691 0.9782 0.35 2.676 2.468 2.8 1.0583 0.9682 0.40 2.531 2.314 2.9 1.0482 0.9588 0.45 2.401 2.182 3.0 1.0388 0.9500 0.50 2.284 2.066 3.1 1.0300 0.9418 0.55 2.178 1.965 3.2 1.0217 0.9340 0.60 2.084 1.877 3.3 1.0139 0.9267 0.65 1.999 1.799 3.4 1.0066 0.9197 0.70 1.922 1.729 3.5 0.9996 0.9131 0.75 1.853 1.667 3.6 0.9931 0.9068 0.80 1.790 1.612 3.7 0.9868 0.9008 0.85 1.734 1.562 3.8 0.9809 0.8952 0.90 1.682 1.517 3.9 0.9753 0.8897 0.95 1.636 1.477 4.0 0.9699 0.8845 1.00 1.593 1.440 4.1 0.9647 0.8796 1.05 1.554 1.406 4.2 0.9598 0.8748 1.10 1.518 1.375 4.3 0.9551 0.8703 1.15 1.485 1.347 4.4 0.9506 0.8659 1.20 1.455 1.320 4.5 0.9462 0.8617 1.25 1.427 1.296 4.6 0.9420 0.8576 1.30 1.401 1.274 4.7 0.9380 0.8537 1.35 1.377 1.253 4.8 0.9341 0.8499 1.40 1.355 1.234 4.9 0.9304 0.8463 1.45 1.334 1.216 5.0 0.9268 0.8428 1.50 1.315 1.199 6.0 0.8962 0.8129 1.55 1.297 1.183 7.0 0.8727 0.7898 1.60 1.280 1.168 8.0 0.8538 0.7711 1.65 1.264 1.154 9.0 0.8380 0.7555 1.70 1.249 1.141 10.0 0.8244 0.7422 1.75 1.235 1.128 12.0 0.8018 0.7202 1.80 1.222 1.117 14.0 0.7836 0.7025 1.85 1.209 1.105 16.0 0.7683 0.6878 1.90 1.198 1.095 18.0 0.7552 0.6751 1.95 1.186 1.085 20.0 0.7436 0.6640 2.00 1.176 1.075 25.0 0.7198 0.6414 2.10 1.156 1.058 30.0 0.7010 0.6235 2.20 1.138 1.042 35.0 0.6854 0.6088 2.30 1.122 1.027 40.0 0.6723 0.5964 2.40 1.107 1.013 50.0 0.6510 0.5763 2.50 1.0933 1.0006 75.0 0.6140 0.5415 2.60 1.0807 0.9890 100.0 0.5887 0.5180 1. a. Calculate the viscosities of carbon dioxide and methane at 20 °C (293.15 K) and atmospheric pressure, and express the results in mPa·s. i. If necessary, round to nearest usable value in Table D.2. b. Compare the results with the experimental values in Table 1.4-2.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Table 1.4-2. Viscosities of Some Gases and Liquids at Atmospheric Pressure"
Gases
Temperature
T(°C)
Viscosity
μ(mPa·s)
Liquids
Temperature
T(°C)
Viscosity
(mPa·s)
i-C₁₂H10
SF6
CH₁
H₂O
100
Hg
380
22282228
0.0076
(C₂H5)₂O
0.0153
0.0109
CH
0.012114
Br₂
0.0146b
Hg
20
0.0175b
C₂H₂OH
20
0.0204
0.0654d
H₂SO
Glycerol
1222202822
0.283
25
0.224
0.649
25
0.744
1.552
1.786
25
1.074
0.694
25.54
25
934.
KT/E
(for viscosity
or
KT/EAB
and thermal
conductivity)
QAB
(for
diffusivity)
Table D.2. Collision Integrals for Use with the Lennard-Jones (6-12) Potential for the
Prediction of Transport Properties of Gases at Low Densities.c
* = "o
22 АБ
(for
diffusivity)
KT/E
or
(for viscosity
and thermal
KT/EAB
conductivity)
0.30
2.840
2.649
2.7
1.0691
0.9782
0.35
2.676
2.468
2.8
1.0583
0.9682
0.40
2.531
2.314
2.9
1.0482
0.9588
0.45
2.401
2.182
3.0
1.0388
0.9500
0.50
2.284
2.066
3.1
1.0300
0.9418
0.55
2.178
1.965
3.2
1.0217
0.9340
0.60
2.084
1.877
3.3
1.0139
0.9267
0.65
1.999
1.799
3.4
1.0066
0.9197
0.70
1.922
1.729
3.5
0.9996
0.9131
0.75
1.853
1.667
3.6
0.9931
0.9068
0.80
1.790
1.612
3.7
0.9868
0.9008
0.85
1.734
1.562
3.8
0.9809
0.8952
0.90
1.682
1.517
3.9
0.9753
0.8897
0.95
1.636
1.477
4.0
0.9699
0.8845
1.00
1.593
1.440
4.1
0.9647
0.8796
1.05
1.554
1.406
4.2
0.9598
0.8748
1.10
1.518
1.375
4.3
0.9551
0.8703
1.15
1.485
1.347
4.4
0.9506
0.8659
1.20
1.455
1.320
4.5
0.9462
0.8617
1.25
1.427
1.296
4.6
0.9420
0.8576
1.30
1.401
1.274
4.7
0.9380
0.8537
1.35
1.377
1.253
4.8
0.9341
0.8499
1.40
1.355
1.234
4.9
0.9304
0.8463
1.45
1.334
1.216
5.0
0.9268
0.8428
1.50
1.315
1.199
6.0
0.8962
0.8129
1.55
1.297
1.183
7.0
0.8727
0.7898
1.60
1.280
1.168
8.0
0.8538
0.7711
1.65
1.264
1.154
9.0
0.8380
0.7555
1.70
1.249
1.141
10.0
0.8244
0.7422
1.75
1.235
1.128
12.0
0.8018
0.7202
1.80
1.222
1.117
14.0
0.7836
0.7025
1.85
1.209
1.105
16.0
0.7683
0.6878
1.90
1.198
1.095
18.0
0.7552
0.6751
1.95
1.186
1.085
20.0
0.7436
0.6640
2.00
1.176
1.075
25.0
0.7198
0.6414
2.10
1.156
1.058
30.0
0.7010
0.6235
2.20
1.138
1.042
35.0
0.6854
0.6088
2.30
1.122
1.027
40.0
0.6723
0.5964
2.40
1.107
1.013
50.0
0.6510
0.5763
2.50
1.0933
1.0006
75.0
0.6140
0.5415
2.60
1.0807
0.9890
100.0
0.5887
0.5180
Transcribed Image Text:1.
a. Calculate the viscosities of carbon dioxide and methane at 20 °C (293.15 K) and
atmospheric pressure, and express the results in mPa·s.
i. If necessary, round to nearest usable value in Table D.2.
b. Compare the results with the experimental values in Table 1.4-2.
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