Page 229 - Applied Process Design For Chemical And Petrochemical Plants Volume III

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192 Applied Process Design for Chemical and Petrochemical Plants

Table 10-30
Nucleate Pool Boiling Data
Equation Terms* Boiling Coefficient at Designated t

Press. t Max. Heating
Material (psia) m n Range t (°F) 5°F 10°F 20°F 30°F 40°F 50°F Device
Propane 20—35 46 2.5 07—15 . . . (515) 1,460 . . . . . . . . . . . . HT
Propane 170 87 2.0 15—25 50 . . . (870) 1,740 (2610) . . . . . . VT
Propane 245 110 2.0 10—30 40 . . . 1,100 2,200 3,300 . . . . . . VT
Propane 295 145 2.0 10—25 30 . . . 1,450 2,900 4,350 . . . . . . VT
Propane 375 205 2.0 10—25 25 . . . 2,050 4,100 6,150 . . . . . . VT
Propane 475 320 2.0 07—15 15 (1600) 3,200 . . . . . . . . . . . . VT
n-Butane 20—35 12 2.64 07—15 . . . (170) 525 . . . . . . . . . . . . HT
4
n-Pentane 22 4.5(10 ) 4.70 30—60 60 ... ... ... 130 385 850 VT
n-Pentane 59 2.0(10 ) 4.16 20—45 45 . . . . . . 265 850 2,350 . . . VT
2
n-Pentane 115 0.76 3.27 15—35 35 . . . . . . 695 1,700 . . . . . . VT
n-Pentane 215 23.5 2.91 08—20 25 . . . 1,900 7,250 . . . . . . . . . VT
3
n-Heptane 6.6 3.4(10 ) 3.85 50—80 80 ... ... ... ... ... 240 VT
n-Heptane 14.7 0.60 2.90 30—60 60 . . . . . . . . . 380 660 1,010 VT
n-Heptane 50 2.25 2.90 25—40 40 . . . . . . . . . 1,450 2,480 . . . VT
n-Heptane 115 9.0 2.75 20—35 35 . . . . . . 1,710 3,400 . . . . . . VT
n-Heptane 215 107 2.20 15—25 25 . . . (1,710) 3,900 . . . . . . . . . VT
Kerosine 14.7 1.79 3.19 10—15 15 (60) 280 . . . . . . . . . . . . HT
3
Benzene 14.7 4.9(10 ) 3.87 45—90 90 . . . . . . . . . . . . (195) 370 VT
3
Benzene 50 3.4(10 ) 3.87 25—50 50 . . . . . . . . . 580 1,350 2,580 VT
Benzene 115 0.77 3.27 15—40 40 . . . . . . 690 1650 3,400 . . . VT
Benzene 265 42 2.61 07—25 25 . . . 1,720 5,200 . . . . . . . . . VT
3
Benzene 465 1.0(10 ) 1.96 03—11 11 4,800 9,400 . . . . . . . . . . . . VT
Styrene 2.7 11.5 2.05 20—90 . . . . . . . . . 270 410 550 700 HP
Styrene 14.7 29.0 2.05 20—50 . . . . . . . . . 670 1,030 1,390 1,750 HP
Methanol 14.7 1.61 3.25 10—15 15 (120) 290 . . . . . . . . . . . . HT
Ethanol 14.7 2.4(10 ) 3.73 40—60 60 . . . . . . . . . . . . 570 1,020 VT
2
Ethanol 55 1.74 3.08 20—40 40 . . . . . . 870 2,090 3,740 . . . VT
Ethanol 114 21.5 2.67 10—30 35 . . . 1,010 3,160 6,350 . . . . . . VT
Isopropanol 14.7 6.0 2.40 10—60 60 . . . 150 400 690 1,050 1,440 VT
u-Butanol 14.7 0.40 3.21 15—30 30 ... ... 230 740 ... ... HT
Carbon tetrachloride 14.7 0.18 2.90 20—40 ... ... ... 55 115 200 ... VT
Carbon tetrachloride 14.7 0.73 3.14 15—25 25 . . . (100) 440 . . . . . . . . . HT
Acetone 14.7 7.3(10 ) 3.85 20—40 40 . . . . . . 370 1,170 2,780 . . . HP
2
Methyl ethyl ketone 14.7 70 1.84 20—50 50 . . . . . . 850 1,200 1,550 1,850 W
Water 14.7 14.3 3.14 05—10 10 450 2,000 . . . . . . . . . . . . HT
Water 14.7 52 2.35 10—35 35 . . . 1,200 2,780 5,100 . . . . . . VT
2
Water 14.7 1.7(10 ) 4.90 15—35 35 . . . . . . 2,000 9,600 . . . . . . W
Water 383 605 2.82 05—30 30 1,130 4,000 14,200 30,000 . . . . . . W
Oxygen 14.7 4.8 2.47 06—10 10 ... 140 ... ... ... ... VT
Nitrogen 14.7 1.9 2.67 06—12 12 ... 90 ... ... ... VT
Freon-12 60 0.49 3.82 12—20 20 . . . (320) 2,250 . . . . . . . . . HT
* Equation: q/A (m t) a where t tw tb, °F
Notation: VT vertical tube
HT horizontal tube
HP horizontal plate
W wire
Used by permission: Fair, J. R. Petroleum Refiner, V. 39, No. 2, ©1960. Gulf Publishing. All rights reserved.