A HEAT TRANSFER TEXTBOOK - THIRD EDITION Episode 3 Part 6 docx

... 59.72.0 16 Air 3. 711 78 .62 8. 96 H 2 O2 .65 5 a 36 3 a 18.02 Ar 3. 542 93. 339 .95 H 2 O2 .64 1 b 809.1 b Br 2 4.2 96 507.9 159.8H 2 O 2 4.1 96 289 .33 4.01 C3 .38 5 30 .61 2.01 H 2 S3 .6 23 301. 134 .08 CCl 2 F 2 5.25 2 53 ... 28.85 Cyclohexane 0.117 33 . 03 n-Heptane 0.1 63 31 .69 n-Octane 0.185 34 .14 n-Nonane 0.207 36 . 53 n-Decane 0.229 39 .33 Acetone 0.074 28.9...

Ngày tải lên: 07/08/2014, 10:20

... flows ina5cmdiameter ver- tical tube heated at a rate of 184,000 W/m 2 . Find the wall temperature at a point where the quality x is 20%. Solution. Data for water are taken from Tables A. 3 A. 5. ... in µm, and the receding contact angle for the liquid on the heater material, β r in radians: q max q max Z = 0. 033 6 ( π −β r ) 3. 0 r 0.0125 (9 . 36 ) This correlation collapses the dat...

Ngày tải lên: 07/08/2014, 10:20

... boiling heat transfer to saturated fluids in convective flow. ASME Prepr. 63 - HT -3 4 , 5th ASME-AIChE Heat Transfer Conf. Boston, August 19 63 . [9.45] S. G. Kandlikar. A general correlation for saturated ... determination of forced- convection surface-boiling heat transfer. J. Heat Transfer, Trans. ASME, Series C, 86 (3) : 36 5 37 2, 1 964 . [9 .37 ] E. J. Davis and G. H....

Ngày tải lên: 07/08/2014, 10:20

... Heat transfer among gray bodies 549 10.4 Heat transfer among gray bodies Electrical analogy for gray body heat exchange An electric circuit analogy for heat exchange among diffuse gray bodies was ... m 2 §10.4 Heat transfer among gray bodies 5 53 Additional two-body exchange problems Radiation shields. A radiation shield is a surface, usually of high re- flectance, that is...

Ngày tải lên: 07/08/2014, 10:20

... treats a real gas as superposition of gray gases having different properties. 578 Radiative heat transfer §10 .6 Table 10.4 Solar absorptance and infrared emittance for sev- eral surfaces near 30 0 ... expressed on a volumetric basis. 580 Radiative heat transfer §10 .6 1880 1900 1920 1940 1 960 1980 2000 -0 .6 -0 .4 -0 .2 0.0 0.2 0.4 0 .6 0.8 Annual mean 5-year mean Y...

Ngày tải lên: 07/08/2014, 10:20

... D 12 (m 2 /s) air-carbon dioxide 2 76 1.42×10 −5 air-ethanol 31 3 1.45 air-helium 2 76 6.24 air-napthalene 30 3 0. 86 air-water 31 3 2.88 argon-helium 295 8 .3 62 8 32 .1 1 068 81.0 (dilute solute, 1 )-( liquid solvent, ... radiant heat transfer from the left-hand plate: to the right-hand side, and to the surroundings? 10 .33 Two parallel discs of 0.5 m diameter are separated b...

Ngày tải lên: 07/08/2014, 10:20

... the analogy between heat transfer and low-rate mass transfer may be used directly to adapt natural convection heat transfer predictions to natural convection mass transfer. As before, we replace ... possi- bilities in turn. Heat transfer at low rates of mass transfer One very common case of low-rate heat and mass transfer is the evapora- tion of water into air at low or m...

Ngày tải lên: 07/08/2014, 10:20

... when more than one species is transferred? §11.9 Simultaneous heat and mass transfer 66 7 Stagnant film model of heat transfer at high mass transfer rates The multicomponent energy equation. Each species ... tempera- ture. We may evaluate h ∗ and g ∗ m,i in the same way when heat and mass transfer occur simultaneously. If composition variations are not large, as in many low-rate...

Ngày tải lên: 07/08/2014, 10:20

... ammonia are from [A. 5, A. 16, A. 17], data for carbon dioxide are from [A. 6, A. 7, A. 8], and data for oxygen are from [A. 9, A. 10]. Data for HFC- 13 4a, HCFC-22, and nitrogen are from [A. 11] and [A. 18]. ... 989 .3 4181 0. 63 9 6 1.5 46 5. 832 3. 77 0.000 4 36 34 0 67 979.5 4189 0 .66 05 1 .61 0 4 .30 8 2 .68 0.000 565 36 0 87 967 .4 4202 0 .6 737 1 .65 7 3. 371 2. 03...

Ngày tải lên: 07/08/2014, 10:20

... (19 73) , 271, 33 8 K Kadambi and Drake (1959), 4 23, 455 Kadoya, Matsunaga, and Nagashima (1985), 6 93, 69 6 Kalish and Dwyer (1 967 ), 38 3, 39 6 Kandlikar and Nariai (1999), 501, 515, 521 Kandlikar, Tian, ... 0.1219 51 93 2. 43 1.99 0.190 3. 01 0 .6 63 450 0.1084 51 93 2 .64 2. 43 0.207 3. 67 0 .6 63 500 0.097 53 51 93 2.84 2.91 0.222 4 .39 0 .6 63 60 0 0.08128 5...

Ngày tải lên: 07/08/2014, 10:20