Computational Fluid Mechanics and Heat Transfer Third Edition 5 doc

... bodies . 53 6 10.4 Heat transfer among gray bodies 54 9 10 .5 Gaseous radiation 56 3 10.6 Solar energy 57 4 Problems 58 4 References 59 2 V Mass Transfer 59 5 11 An introduction to mass transfer 59 7 11.1 ... study and remember the order x Contents IV Thermal Radiation Heat Transfer 52 3 10 Radiative heat transfer 52 5 10.1 The problem of radiative exchange 52 5...

Ngày tải lên: 21/06/2014, 22:20

... From Example 4.8 we have mL = 0.8 656 and hr/k = 120(0.010)/2 05 = 0.0 058 6. Then, with mr = mL(r /L), we have (mr ) tanh(mL) = 0.8 656 (0.010/0.080) tanh(0.8 656 ) = 0.0 756 . The lower portion of Fig. 4.10b ... − Q actual Q no temp. depression = T s −T root T s −T ∞ = 0. 05 so the heat flow is reduced by 5% and the actual root temperature is T root = 150 − ( 150 − 26)0. 05 = 143.8...

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... 0.99 85 0.40 0 .59 324 1. 058 0 0.9971 0. 851 58 1.0931 0.9970 1. 052 79 1.1164 0.9974 0 .50 0. 653 27 1.0701 0.9 956 0.94077 1.1143 0.9 954 1.1 655 6 1.1441 0.9960 0.60 0.7 050 7 1.0814 0.9940 1.01844 1.13 45 0.9936 ... 1.26 459 1.2287 0.9264 1.90808 1.4698 0.8 950 2. 455 64 1.7202 0.8830 5. 00 1.31384 1.2402 0.9130 1.98981 1 .50 29 0.8721 2 .57 043 1.7870 0. 853 3 6.00 1.34 955 1.2479 0....

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... Chapter 5: Transient and multidimensional heat conduction Figure 5. 28 Configuration and temperature response for Problem 5. 6 5. 11 Sketch one of the curves in Fig. 5. 7, 5. 8,or5.9 and identify: • The ... much heat has been lost at that time? Solution. For the Biot and Fourier numbers given in Example 5. 12, we find from Fig. 5. 10a Φ 1 ( Fo 1 = 0 .56 5, Bi 1 = 0.21 05 )...

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... rate of growth of bubbles in superheated water. J. Appl. Mech., Trans. ASME, 75: 537, 1 953 . [5. 14] E. R. G. Eckert and R. M. Drake, Jr. Analysis of Heat and Mass Transfer. Hemisphere Publishing ... D.C., 1987. [5. 15] V. S. Arpaci. Conduction Heat Transfer. Ginn Press/Pearson Cus- tom Publishing, Needham Heights, Mass., 1991. [5. 16] E. Hahne and U. Grigull. Formfactor and...

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... 0.6 25 Pe 0.4 D (7 .55 ) The use of eqn. (7 .55 ) for q w = constant is far less optimistic than the use of eqn. (7 .54 ). It should probably be used if it is safer to err on the low side. 7.4 Heat transfer ... which lies between Re D = 2100 and about 50 00 in this case. Above Re D  50 00, the flow is turbulent and it turns out that Nu D  Re 0.8 D . The Reynolds analogy and hea...

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... in Heat Transfer, volume 18, pages 87– 159 . Academic Press, Inc., New York, 1987. [7.28] S. Kalish and O. E. Dwyer. Heat transfer to NaK flowing through unbaffled rod bundles. Int. J. Heat Mass Transfer, ... Int. J. Heat Mass Transfer, 10: 153 3– 155 8, 1967. [7.29] W. M. Rohsenow, J. P. Hartnett, and Y. I. Cho, editors. Handbook of Heat Transfer. McGraw-Hill, New York, 3rd...

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... J. Heat Mass Transfer, 15( 4): 755 –767, 1972. [8.17] G. C. Vliet. Natural convection local heat transfer on constant heat transfer inclined surface. J. Heat Transfer, Trans. ASME, Ser. C, 91 :51 1 51 6, ... Sanders and J. P. Holman. Franz Grashof and the Grashof Number. Int. J. Heat Mass Transfer, 15: 562 56 3, 1972. [8.3] S. W. Churchill and H. H. S. Chu. Correlating...

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... 46:221–227, 1 950 . [9. 25] P. Sadasivan and J. H. Lienhard. Sensible heat correction in laminar film boiling and condensation. J. Heat Transfer, Trans. ASME, 109: 54 5 54 7, 1987. [9.26] V. K. Dhir and J. ... inside horizontal and vertical tubes. Chem. Engr. Res. Des., 65: 148– 156 , 1987. [9 .51 ] S. G. Kandlikar, S. T. Tian, J. Yu, and S. Koyama. Further assessment of pool...

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... 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 ... insulated black cylinder, 10 cm in length and with an inside diameter of 5 cm, has a black cap on one end and a cap with Part V Mass Transfer 59 5 §10.6 Solar ene...

Ngày tải lên: 21/06/2014, 22:20