55°C methanol flows over a 4m long 2m width flat plate with temperature of 25 C. The velocity of methanol is 1.08 km/h. Determine the total drag force and the rate of heat transfer from the entire plate. What is the value of x and what does it mean?
55°C methanol flows over a 4m long 2m width flat plate with temperature of 25 C. The velocity of methanol is 1.08 km/h. Determine the total drag force and the rate of heat transfer from the entire plate. What is the value of x and what does it mean?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
Transcribed Image Text:55°C methanol flows over a 4m long 2m width flat plate with
temperature of 25 C. The velocity of methanol is 1.08 km/h.
Determine the total drag force and the rate of heat transfer
from the entire plate. What is the value of x_ and what does it
mean?
![TABLE A-13
Properties of liquids
Volume
Specific
Thermal
Thermal
Dynamic
Viscosity
Kinematic
Prandtl
Expansion
Conductivity
k, Wim-K
Temp.
Dersity
Heat
Diffusivity
Viscosity
Number
Coeff.
T, °C
a, ms
B, 1/K
P. ke/m3
Jkg-K
, ko/m-s
P, m?/s
Pr
Metha ne (CHJ
1.270 x 10-7
1.174 x 10-7
1.077 x 10-7
104
9.169 x 10-5
7.551 x 10-5
6.288 x 10-5
2.699 x 10-7
2.264 x 10-7
1.942 x10-7
1.694 x 10-7
-160
4 20.2
3492
0.1863
1.133
2.126
0.00352
-150
405.0
3580
0.1703
1.927
0.00391
-140
388.8
3700
0.1550
1.803
0.00444
-130
371.1
3875
0.14 02
9.749 x 10-
1.738
0.00520
8.634 x 10-8
7.356 x 10-8
5.761 x 10-8
3.423 x 10-
5.257 x 10-5
1.496 x 10-7
1.331 x 10-7
1.188 x10-7
1.055 x 10-7
-120
351.4
4146
0.1258
1.732
0.00637
328.8
4.377 x 10-5
3.577 x 10-5
2.761 x 10-5
-110
4611
0.1115
1.810
0.00841
-100
301.0
5578
0.0967
2.063
0.01 282
-90
261.7
8902
0.0797
3.082
0.02922
Methanol [CH3(OH)]
1.002 x 10-7
9.862 x 10-8
788.4
10-4
5.088 x 10-4
4.460 x 104
20
2515
0.1987
5.857
7.429 x 10-7
7.414
0.00118
30
779.1
2577
0.1980
6.531 x10-7
6. 622
0.00120
9.690 x 10-
9.509 x 10-
5.795 x10-7
5.185 x10-7
40
769.6
2644
0.1972
5.980
0.00123
3.942 x 10-4
3.510 x 10-4
3.146 x 10-4
50
760.1
2718
0.1965
5.453
0.00127
9.320 x 10-
9.128 x 10-
60
750.4
2798
0.1957
4.677 x10-7
5.018
0.00132
70
740.4
2885
0.1950
4.250 x 10-7
4.655
0.00137
Isobutane ( R600a)
-100
1.075 x 10-7
1.044 x 10-7
9.305 x 10-4
5.624 x 10-4
3.769 x 10-4
2.688 x 10-4
1.993 x 10-4
1.360 x 10-6
8.531 x10-7
683.8
1881
0.1383
12.65
0.00142
-75
659.3
1970
0.1357
8.167
0.00150
-50
-25
9.773 x 10-
8.906 x 10-8
7.974 x 10-8
5.942 x 10-7
4.4 20 x 10-7
3.432 x 10-7
634.3
2069
0.1283
6.079
0.00161
608.2
2180
0.1181
4.963
0.00177
580.6
2306
0.1068
4.304
0.00199
0.0956
7.069 x 10-3
6.233 x 10-
5.460 x 10-8
1.510 x 10-4
1.155 x 10-4
8.785 x 10-5
25
550.7
2455
2.743 x 10-7
3.880
0.00232
2.233 x10-7
1.836 x10-7
1.509 x 10-7
50
517.3
2640
0.0851
3.582
0.00286
75
478.5
2896
0.0757
3.363
0.00385
100
429.6
3361
0.0669
4.634 x 10-8
6.483 x 10-5
3.256
0.00628](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4447d9cc-345f-4198-8b5a-0a8b631bec55%2F74de05b0-a051-4a11-9a7f-5ba1febfc93b%2Fmtkd744m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:TABLE A-13
Properties of liquids
Volume
Specific
Thermal
Thermal
Dynamic
Viscosity
Kinematic
Prandtl
Expansion
Conductivity
k, Wim-K
Temp.
Dersity
Heat
Diffusivity
Viscosity
Number
Coeff.
T, °C
a, ms
B, 1/K
P. ke/m3
Jkg-K
, ko/m-s
P, m?/s
Pr
Metha ne (CHJ
1.270 x 10-7
1.174 x 10-7
1.077 x 10-7
104
9.169 x 10-5
7.551 x 10-5
6.288 x 10-5
2.699 x 10-7
2.264 x 10-7
1.942 x10-7
1.694 x 10-7
-160
4 20.2
3492
0.1863
1.133
2.126
0.00352
-150
405.0
3580
0.1703
1.927
0.00391
-140
388.8
3700
0.1550
1.803
0.00444
-130
371.1
3875
0.14 02
9.749 x 10-
1.738
0.00520
8.634 x 10-8
7.356 x 10-8
5.761 x 10-8
3.423 x 10-
5.257 x 10-5
1.496 x 10-7
1.331 x 10-7
1.188 x10-7
1.055 x 10-7
-120
351.4
4146
0.1258
1.732
0.00637
328.8
4.377 x 10-5
3.577 x 10-5
2.761 x 10-5
-110
4611
0.1115
1.810
0.00841
-100
301.0
5578
0.0967
2.063
0.01 282
-90
261.7
8902
0.0797
3.082
0.02922
Methanol [CH3(OH)]
1.002 x 10-7
9.862 x 10-8
788.4
10-4
5.088 x 10-4
4.460 x 104
20
2515
0.1987
5.857
7.429 x 10-7
7.414
0.00118
30
779.1
2577
0.1980
6.531 x10-7
6. 622
0.00120
9.690 x 10-
9.509 x 10-
5.795 x10-7
5.185 x10-7
40
769.6
2644
0.1972
5.980
0.00123
3.942 x 10-4
3.510 x 10-4
3.146 x 10-4
50
760.1
2718
0.1965
5.453
0.00127
9.320 x 10-
9.128 x 10-
60
750.4
2798
0.1957
4.677 x10-7
5.018
0.00132
70
740.4
2885
0.1950
4.250 x 10-7
4.655
0.00137
Isobutane ( R600a)
-100
1.075 x 10-7
1.044 x 10-7
9.305 x 10-4
5.624 x 10-4
3.769 x 10-4
2.688 x 10-4
1.993 x 10-4
1.360 x 10-6
8.531 x10-7
683.8
1881
0.1383
12.65
0.00142
-75
659.3
1970
0.1357
8.167
0.00150
-50
-25
9.773 x 10-
8.906 x 10-8
7.974 x 10-8
5.942 x 10-7
4.4 20 x 10-7
3.432 x 10-7
634.3
2069
0.1283
6.079
0.00161
608.2
2180
0.1181
4.963
0.00177
580.6
2306
0.1068
4.304
0.00199
0.0956
7.069 x 10-3
6.233 x 10-
5.460 x 10-8
1.510 x 10-4
1.155 x 10-4
8.785 x 10-5
25
550.7
2455
2.743 x 10-7
3.880
0.00232
2.233 x10-7
1.836 x10-7
1.509 x 10-7
50
517.3
2640
0.0851
3.582
0.00286
75
478.5
2896
0.0757
3.363
0.00385
100
429.6
3361
0.0669
4.634 x 10-8
6.483 x 10-5
3.256
0.00628
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