Computational Fluid Mechanics and Heat Transfer Third Edition 8 ppt
Computational Fluid Mechanics and Heat Transfer Third Edition_1 docx
... mass transfer with counterdiffusion 6 48
11 .8 Mass transfer coefficients at high rates of mass transfer . 654
11.9 Simultaneous heat and mass transfer 663
Problems 673
References 685
VI Appendices 689
A ... recollecting how heat transfer was treated in
the study of thermodynamics and by seeing why thermodynamics is not
adequate to the task of solving heat transfer prob...
Computational Fluid Mechanics and Heat Transfer Third Edition_5 doc
... Θ
tip
=
cosh 0 +(0.04 68/ 0 .86 56) sinh 0
cosh(0 .86 56) +(0.04 68/ 0 .86 56) sinh(0 .86 56)
=
1
1.3 986 +0.0529
= 0. 688 6
so the exact tip temperature is
T
tip
= T
∞
+0. 688 6(T
0
−T
∞
)
= 26 + 0. 688 6(150 − 26) = ... calculated with and without
considering heat transfer from the tip.
Solution.
mL =
hPL
2
kA
=
120(0. 08)
2
205(0.01/2)
= 0 .86 56
Bi
ax
=
hL
k
=
120(0. 08)
205
=...
Computational Fluid Mechanics and Heat Transfer Third Edition_6 doc
... 0.9130 1. 989 81 1.5029 0 .87 21 2.57043 1. 787 0 0 .85 33
6.00 1.34955 1.2479 0.9021 2.04901 1.5253 0 .85 32 2.65366 1 .83 38 0 .82 81
8. 00 1.39 782 1.2570 0 .88 58 2.1 286 4 1.5526 0 .82 44 2.76536 1 .89 20 0. 788 9
10.00 ... 0.9904
0.90 0 .82 740 1.1107 0. 988 2 1.20 484 1.1902 0. 986 9 1.50442 1.2 488 0. 988 0
1.00 0 .86 033 1.1191 0. 986 1 1.255 78 1.2071 0. 984 3 1.57 080 1.2732 0....
Computational Fluid Mechanics and Heat Transfer Third Edition_7 potx
... 1.10 0 .88 021 0.11 980
0.05 0.05637 0.94363 1.20 0.91031 0. 089 69
0.10 0.11246 0 .88 754 1.30 0.93401 0.06599
0.15 0.1 680 0 0 .83 200 1.40 0.95229 0.04771
0.20 0.22270 0.77730 1.50 0.96611 0.03 389
0.30 ... 0.03 389
0.30 0.3 286 3 0.67137 1.60 0.97635 0.02365
0.40 0.4 283 9 0.57161 1.70 0. 983 79 0.01621
0.50 0.52050 0.47950 1 .80 0. 989 09 0.01091
0.60 0.60 386 0.39614 1 .82 14 0.99000...
Computational Fluid Mechanics and Heat Transfer Third Edition_8 ppt
... 0.57067 0.16136
4.00 2.30576 0.95552 0.7 581 6 0.06424
4.9 18 3.20169 0.99000 0 .83 344 0.0 183 7
6.00 4.27964 0.9 989 8 0 .85 712 0.00240
8. 00 6.27923 1.00000
−
0 .86 039 0.00001
This is called a similarity ... 0.33147
0.60 0.05974 0.1 989 4 0.02 981 0.330 08
0 .80 0.10611 0.26471 0.05 283 0.32739
1.00 0.16557 0.32979 0. 082 11 0.32301
2.00 0.65003 0.62977 0.30476 0.26675
3.00 1.39 682 0...
Computational Fluid Mechanics and Heat Transfer Third Edition_10 docx
... 10
−6
0.12
0.02424
8
= 68. 4
This corresponds to fully rough flow. With eqn. (7.49) we have
Nu
D
=
(0.02424 /8) (5.74 × 10
5
)(2.47)
1 +
0.02424 /8
4.5( 68. 4)
0.2
(2.47)
0.5
8. 48
= 2, 985
so
h = 2 985
0.661
0.12
= ... convec-
tion must be considered. Heat travels first from the air at T
∞
through
the outside heat transfer coefficient to the duct wall, and then through
the...
Computational Fluid Mechanics and Heat Transfer Third Edition_11 docx
... in Heat Transfer,
volume 18, pages 87 –159. Academic Press, Inc., New York, 1 987 .
[7. 28] S. Kalish and O. E. Dwyer. Heat transfer to NaK flowing through
unbaffled rod bundles. Int. J. Heat Mass Transfer, ... 10:1533–15 58,
1967.
[7.29] W. M. Rohsenow, J. P. Hartnett, and Y. I. Cho, editors. Handbook
of Heat Transfer. McGraw-Hill, New York, 3rd edition, 19 98.
8. Natural...
Computational Fluid Mechanics and Heat Transfer Third Edition_12 docx
... instabil-
ity have been reported by Fujii and Imura [8. 16], Vliet [8. 17], Pera and
Gebhart [8. 18] , and Al-Arabi and El-Riedy [8. 19], among others.
Problems 449
8. 39 A 1 in. cube of ice is suspended ... Experiments on heat transfer from spheres including
combined forced and natural convection. J. Heat Transfer, Trans.
ASME, Ser. C, 82 (1):214, 1960.
[8. 13] G. D. Rait...
Computational Fluid Mechanics and Heat Transfer Third Edition_14 docx
... burnout on flat heaters. J. Heat Transfer, 114(1): 287 –
290, 1992.
[9.36] A. E. Bergles and W. M. Rohsenow. The determination of forced-
convection surface-boiling heat transfer. J. Heat Transfer, Trans.
ASME, ... Engr., 12:474– 481 , 1962.
[9.49] M. M. Shah. Chart correlation for saturated boiling heat transfer:
equations and further study. ASHRAE Trans., 88 : 182 –196, 1 9...
Computational Fluid Mechanics and Heat Transfer Third Edition_16 ppt
... owing to heat
loss to the colder outdoor air. Find (a) the heat transfer by
radiation to the window; (b) the heat transfer by natural con-
vection to the window; and (c) the fraction of heat transferred
to ... Edwards. Radiation Heat Transfer Notes. Hemisphere Pub-
lishing Corp., Washington, D.C., 1 981 .
[10.4] R. Siegel and J. R. Howell. Thermal Radiation Heat Transfe...
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