University of Idaho Department of Chemical Engineering DOUBLE PIPE HEAT EXCHANGER Prediction Program Rel. 2/8/92 Ch. E. 434 Laboratory D. C. Drown Date: Jan 28, 2008 Time: 15: 5:11 Input File Name: G1-12.dat Start Iteration Loop Flow = 3.000 GPM Inlet Temperature = 13.11 C Steam Temperature = 115.66 T Wall Guess = 115.16 T Out Guess = 115.16 Steam Pressure = 11.70 PSIG + Temperature = 240.199 Deg F H Vaporization = 952.05 BTU/LB Density= 0.061464 LB/FT3 Barometric Pressure = 13.3596 PSIA Steam Pressure = 11.70 PSIG + Temperature = 115.664 Deg C H Vaporization = 2214569. J/Kg Density = 0.9845 Kg/M3 Fouling - Inside = .0000000 Outside = .0000000 Temperature Convergence to 0.010 Degrees N T Wall T Out Re No. H Inside H Outside U C C Watts / Sq. Meter C Units = F F BTU / Sq. Feet F 1 58.6 25.8 39643. 22961. 10229. 5876. 137.5 78.4 4044. 1801. 1035. Dittus-Boelter T film Pr.33 = 4291. BTU/Ft2 F Dittus-Boelter T bulk Pr.4 = 4044. Nusselt Ent. = 5225. Sieder-Tate = 4571. Sleicher-Rouse = 4298. Petukhov-Popov = 4557. T V McAdams T bulk = 3901. 67.0 20.68 McAdams T film = 4773. 102.3 2 64.6 37.6 48377. 25335. 10611. 6236. 148.4 99.6 4462. 1869. 1098. Dittus-Boelter T film Pr.33 = 4676. BTU/Ft2 F Dittus-Boelter T bulk Pr.4 = 4462. Nusselt Ent. = 5694. Sieder-Tate = 5063. Sleicher-Rouse = 4846. Petukhov-Popov = 5005. T V McAdams T bulk = 4446. 89.0 20.68 McAdams T film = 5179. 118.7 3 70.6 48.5 58814. 27785. 11031. 6604. 159.1 119.3 4894. 1943. 1163. Dittus-Boelter T film Pr.33 = 5073. BTU/Ft2 F Dittus-Boelter T bulk Pr.4 = 4894. Nusselt Ent. = 6177. Sieder-Tate = 5569. Sleicher-Rouse = 5391. Petukhov-Popov = 5441. T V McAdams T bulk = 4952. 109.5 20.69 McAdams T film = 5566. 134.3 Flow Rate = 3.000 GPM Steam Pressure = 11.70 PSIG Temperature IN = 13.1 Degrees C 55.6 F Temperature OUT = 48.5 Degrees C 119.3 F Steam Temperature = 115.7 Degrees C 240.2 F Length Wall Temp. Temp. Water Out Inches C F C F 23.333 58.6 137.5 25.8 78.4 46.667 64.6 148.4 37.6 99.6 70.000 70.6 159.1 48.5 119.3 ..PAGE University of Idaho Department of Chemical Engineering DOUBLE PIPE HEAT EXCHANGER Prediction Program Rel. 2/8/92 Ch. E. 434 Laboratory D. C. Drown Date: Jan 28, 2008 Time: 15: 5:34 Input from KEYBOARD for Case Number: 2 Start Iteration Loop Flow = 2.000 GPM Inlet Temperature = 13.11 C Steam Temperature = 115.66 T Wall Guess = 75.00 T Out Guess = 52.00 Steam Pressure = 11.70 PSIG + Temperature = 240.199 Deg F H Vaporization = 952.05 BTU/LB Density= 0.061464 LB/FT3 Barometric Pressure = 13.3596 PSIA Steam Pressure = 11.70 PSIG + Temperature = 115.664 Deg C H Vaporization = 2214569. J/Kg Density = 0.9845 Kg/M3 Fouling - Inside = .0000000 Outside = .0000000 Temperature Convergence to 0.010 Degrees N T Wall T Out Re No. H Inside H Outside U C C Watts / Sq. Meter C Units = F F BTU / Sq. Feet F 1 68.5 29.9 27273. 16860. 10875. 5299. 155.3 85.8 2969. 1915. 933. Dittus-Boelter T film Pr.33 = 3287. BTU/Ft2 F Dittus-Boelter T bulk Pr.4 = 2969. Nusselt Ent. = 4003. Sieder-Tate = 3436. Sleicher-Rouse = 3120. Petukhov-Popov = 3290. T V McAdams T bulk = 2884. 70.7 13.77 McAdams T film = 3638. 113.0 2 74.8 45.2 35586. 19190. 11355. 5757. 166.7 113.3 3380. 2000. 1014. Dittus-Boelter T film Pr.33 = 3650. BTU/Ft2 F Dittus-Boelter T bulk Pr.4 = 3380. Nusselt Ent. = 4444. Sieder-Tate = 3909. Sleicher-Rouse = 3648. Petukhov-Popov = 3719. T V McAdams T bulk = 3400. 99.5 13.77 McAdams T film = 3999. 133.1 3 81.3 58.7 45911. 21585. 11919. 6226. 178.3 137.7 3801. 2099. 1096. Dittus-Boelter T film Pr.33 = 4014. BTU/Ft2 F Dittus-Boelter T bulk Pr.4 = 3801. Nusselt Ent. = 4888. Sieder-Tate = 4391. Sleicher-Rouse = 4161. Petukhov-Popov = 4128. T V McAdams T bulk = 3865. 125.5 13.78 McAdams T film = 4336. 151.9 Flow Rate = 2.000 GPM Steam Pressure = 11.70 PSIG Temperature IN = 13.1 Degrees C 55.6 F Temperature OUT = 58.7 Degrees C 137.7 F Steam Temperature = 115.7 Degrees C 240.2 F Length Wall Temp. Temp. Water Out Inches C F C F 23.333 68.5 155.3 29.9 85.8 46.667 74.8 166.7 45.2 113.3 70.000 81.3 178.3 58.7 137.7 ..PAGE University of Idaho Department of Chemical Engineering DOUBLE PIPE HEAT EXCHANGER Prediction Program Rel. 2/8/92 Ch. E. 434 Laboratory D. C. Drown Date: Jan 28, 2008 Time: 15: 6: 5 Input from KEYBOARD for Case Number: 3 Start Iteration Loop Flow = 1.000 GPM Inlet Temperature = 13.11 C Steam Temperature = 115.66 T Wall Guess = 88.00 T Out Guess = 65.00 Steam Pressure = 11.70 PSIG + Temperature = 240.199 Deg F H Vaporization = 952.05 BTU/LB Density= 0.061464 LB/FT3 Barometric Pressure = 13.3596 PSIA Steam Pressure = 11.70 PSIG + Temperature = 115.664 Deg C H Vaporization = 2214569. J/Kg Density = 0.9845 Kg/M3 Fouling - Inside = .0000000 Outside = .0000000 Temperature Convergence to 0.010 Degrees N T Wall T Out Re No. H Inside H Outside U C C Watts / Sq. Meter C Units = F F BTU / Sq. Feet F 1 84.5 38.2 14547. 9993. 12246. 4144. 184.2 100.8 1760. 2157. 730. Dittus-Boelter T film Pr.33 = 2081. BTU/Ft2 F Dittus-Boelter T bulk Pr.4 = 1760. Nusselt Ent. = 2534. Sieder-Tate = 2105. Sleicher-Rouse = 1843. Petukhov-Popov = 1906. T V McAdams T bulk = 1730. 78.2 6.87 McAdams T film = 2272. 131.2 2 90.6 59.8 21732. 12083. 12958. 4759. 195.0 139.7 2128. 2282. 838. Dittus-Boelter T film Pr.33 = 2375. BTU/Ft2 F Dittus-Boelter T bulk Pr.4 = 2128. Nusselt Ent. = 2892. Sieder-Tate = 2511. Sleicher-Rouse = 2308. Petukhov-Popov = 2278. T V McAdams T bulk = 2161. 120.2 6.87 McAdams T film = 2544. 157.6 3 97.0 77.2 30819. 14116. 13966. 5371. 206.6 170.9 2486. 2460. 946. Dittus-Boelter T film Pr.33 = 2632. BTU/Ft2 F Dittus-Boelter T bulk Pr.4 = 2486. Nusselt Ent. = 3205. Sieder-Tate = 2894. Sleicher-Rouse = 2717. Petukhov-Popov = 2599. T V McAdams T bulk = 2523. 155.3 6.88 McAdams T film = 2786. 181.0 Flow Rate = 1.000 GPM Steam Pressure = 11.70 PSIG Temperature IN = 13.1 Degrees C 55.6 F Temperature OUT = 77.2 Degrees C 170.9 F Steam Temperature = 115.7 Degrees C 240.2 F Length Wall Temp. Temp. Water Out Inches C F C F 23.333 84.5 184.2 38.2 100.8 46.667 90.6 195.0 59.8 139.7 70.000 97.0 206.6 77.2 170.9 ..PAGE University of Idaho Department of Chemical Engineering DOUBLE PIPE HEAT EXCHANGER Prediction Program Rel. 2/8/92 Ch. E. 434 Laboratory D. C. Drown Date: Jan 28, 2008 Time: 15: 6:20 Input from KEYBOARD for Case Number: 4 Start Iteration Loop Flow = 0.500 GPM Inlet Temperature = 13.11 C Steam Temperature = 115.66 T Wall Guess = 99.00 T Out Guess = 88.00 Steam Pressure = 11.70 PSIG + Temperature = 240.199 Deg F H Vaporization = 952.05 BTU/LB Density= 0.061464 LB/FT3 Barometric Pressure = 13.3596 PSIA Steam Pressure = 11.70 PSIG + Temperature = 115.664 Deg C H Vaporization = 2214569. J/Kg Density = 0.9845 Kg/M3 Fouling - Inside = .0000000 Outside = .0000000 Temperature Convergence to 0.010 Degrees N T Wall T Out Re No. H Inside H Outside U C C Watts / Sq. Meter C Units = F F BTU / Sq. Feet F 1 97.2 47.3 7816. 5940. 14011. 2972. 207.0 117.1 1046. 2468. 523. Dittus-Boelter T film Pr.33 = 1295. BTU/Ft2 F Dittus-Boelter T bulk Pr.4 = 1046. Nusselt Ent. = 1577. Sieder-Tate = 1272. Sleicher-Rouse = 1136. Petukhov-Popov = 1118. T V McAdams T bulk = 1039. 86.4 3.42 McAdams T film = 1393. 146.7 2 102.2 74.4 13418. 7623. 15136. 3653. 215.9 166.0 1343. 2666. 643. Dittus-Boelter T film Pr.33 = 1499. BTU/Ft2 F Dittus-Boelter T bulk Pr.4 = 1343. Nusselt Ent. = 1825. Sieder-Tate = 1585. Sleicher-Rouse = 1497. Petukhov-Popov = 1410. T V McAdams T bulk = 1365. 141.6 3.43 McAdams T film = 1583. 178.7 3 107.5 92.9 19649. 8995. 17145. 4253. 225.6 199.2 1584. 3020. 749. Dittus-Boelter T film Pr.33 = 1627. BTU/Ft2 F Dittus-Boelter T bulk Pr.4 = 1584. Nusselt Ent. = 1981. Sieder-Tate = 1827. Sleicher-Rouse = 1738. Petukhov-Popov = 1613. T V McAdams T bulk = 1609. 182.6 3.44 McAdams T film = 1736. 204.1 Flow Rate = 0.500 GPM Steam Pressure = 11.70 PSIG Temperature IN = 13.1 Degrees C 55.6 F Temperature OUT = 92.9 Degrees C 199.2 F Steam Temperature = 115.7 Degrees C 240.2 F Length Wall Temp. Temp. Water Out Inches C F C F 23.333 97.2 207.0 47.3 117.1 46.667 102.2 215.9 74.4 166.0 70.000 107.5 225.6 92.9 199.2 ..PAGE