SpesifikasiNama AlatJenis AlatTypeNo. TubeOutside diameter tubePanjang tubeketebalan tubePitchInside diameter shellNumber of passesshellTubeFluidaShellTube

Amonia gasT inToutLaju alircooling waterTinToutLaju alir

Data liquidCp ammoniaCp cooling waterViskositas amonia gasViskositas cooling waternilai k amonia gasnilai k cooling water

SpesifikasiNama Alat Amonia Condenser (EA-404 D)Jenis AlatTypeNo. TubeOutside diameter tub 25.4 mmPanjang tube 6000 mmketebalan tube 2 mmPitch 32 mmInside diameter shell 1550 mmNumber of passesshell 1Tube 2FluidaShell Amonia gasTube Cooling water

Data-data yang diperlukanTanggal laju alir (lb/hr) Tavg (°F)

NH3 (g) CW NH3 (g) CW NH3 (g) CW NH3 (g)desain 118.4 87.8 93.2 102.2 53461.55 2979516.9 105.8

25-Aug-15 118.04 88.16 93.74 102.2 52083.68 2979516.9 105.8926-Aug-15 119.3 88.52 95.36 102.2 52634.83 2979516.9 107.3327-Aug-15 118.76 89.06 95.9 102.2 52965.52 2979516.9 107.3328-Aug-15 118.22 89.24 96.08 102.2 53075.75 2979516.9 107.1529-Aug-15 118.94 89.78 95.9 102.2 52689.94 2979516.9 107.4230-Aug-15 119.12 88.88 95.72 102.2 53020.63 2979516.9 107.4231-Aug-15 119.3 88.52 95.72 102.2 52524.6 2979516.9 107.51

Tanggal ΔT1 ΔT2 ln(ΔT1/ΔT2) LMTD (°F) R S FTdesain 16.2 5.4 1.0986 9.8306 1.75 0.47059 0.8

25-Aug-15 15.84 5.58 1.0433 9.8337 1.730769 0.46988 0.7826-Aug-15 17.1 6.84 0.9163 11.1973 1.75 0.44444 0.7227-Aug-15 16.56 6.84 0.8842 10.9930 1.739726 0.44242 0.7328-Aug-15 16.02 6.84 0.8511 10.7867 1.708333 0.44720 0.7529-Aug-15 16.74 6.12 1.0062 10.5542 1.855072 0.42593 0.7730-Aug-15 16.92 6.84 0.9057 11.1294 1.756757 0.44048 0.7531-Aug-15 17.1 7.2 0.8650 11.4451 1.723684 0.44444 0.73

Tin (°F) Tout (°F)

Tanggal Pada shell Pada tubeID (in) OD (in) B (in) C' (in)

desain 61.02362 1 1.2598425 31.49606 0.259843 2.75287 193225-Aug-15 61.02362 1 1.2598425 31.49606 0.259843 2.75287 193226-Aug-15 61.02362 1 1.2598425 31.49606 0.259843 2.75287 193227-Aug-15 61.02362 1 1.2598425 31.49606 0.259843 2.75287 193228-Aug-15 61.02362 1 1.2598425 31.49606 0.259843 2.75287 193229-Aug-15 61.02362 1 1.2598425 31.49606 0.259843 2.75287 193230-Aug-15 61.02362 1 1.2598425 31.49606 0.259843 2.75287 193231-Aug-15 61.02362 1 1.2598425 31.49606 0.259843 2.75287 1932

Tanggal Diameter (ft) Bil Reynold Faktor pindah panas(JH)

Shell Tube De D Shell Tube Shelldesain 19420.3 813464.4 0.0825 0.0695 68849.37 32447.0724316151 158.85

25-Aug-15 18919.77 813464.4 0.0825 0.0695 67062.35 32507.5726362436 157.0626-Aug-15 19119.98 813464.4 0.0825 0.0695 67569.67 32568.2988774366 157.5727-Aug-15 19240.11 813464.4 0.0825 0.0695 67994.19 32659.8148365923 157.9928-Aug-15 19280.15 813464.4 0.0825 0.0695 68161.13 32690.4345555284 158.1629-Aug-15 19140 813464.4 0.0825 0.0695 67627.8 32782.6391686609 157.6330-Aug-15 19260.13 813464.4 0.0825 0.0695 68052.24 32629.2524243175 158.0531-Aug-15 19079.94 813464.4 0.0825 0.0695 67403.01 32568.2988774366 157.40

Tanggal Rd

desain 26.43261 0.2618 9956.6457 8.80458944 0.07574525-Aug-15 26.14649 0.2618 9956.6457 8.48115528 0.07966226-Aug-15 26.31492 0.2618 9956.6457 8.04037751 0.08637127-Aug-15 26.38481 0.2618 9956.6457 7.76171465 0.09093728-Aug-15 26.40157 0.2618 9956.6457 7.47144905 0.09596629-Aug-15 26.33063 0.2618 9956.6457 7.68501352 0.09214530-Aug-15 26.39955 0.2618 9956.6457 7.64673456 0.0929031-Aug-15 26.29828 0.2618 9956.6457 7.62666618 0.093094

NILAI RDDESAIN AKTUAL

PT (in) Luas aliran(as) (ft²) Nt

Mass velocity (lb/hr ft²)

Uc (BTU/hr

ft² °F)a'' (ft²) A (ft²) Ud (BTU/hr

ft² °F)

0.075745 0.0901529

Tanggal Re f s De L B delta Psdesain 68849.37

25-Aug-15 67062.3526-Aug-15 67569.6727-Aug-15 67994.1928-Aug-15 68161.1329-Aug-15 67627.830-Aug-15 68052.2431-Aug-15 67403.01

Tanggal laju alir (kg/hr)NH3 (g) CW NH3 (g) CW NH3 (g) CW

desain 48 31 34 39 24250 135150025-Aug-15 47.8 31.2 34.3 39 23625 135150026-Aug-15 48.5 31.4 35.2 39 23875 135150027-Aug-15 48.2 31.7 35.5 39 24025 135150028-Aug-15 47.9 31.8 35.6 39 24075 135150029-Aug-15 48.3 32.1 35.5 39 23900 135150030-Aug-15 48.4 31.6 35.4 39 24050 135150031-Aug-15 48.5 31.4 35.4 39 23825 1351500

Tavg (°F) viskositas (lb/ft hr) nilai K ΔT (°F)CW NH3 (g) CW NH3 (g) CW NH3 (g) CW NH3 (g) CW

95 0.51174 0.99 0.023271 1.7424 0.015178 0.860545 25.2 14.495.18 0.511767 0.98964 0.023275 1.739157 0.0151809 0.860627 24.3 14.0495.36 0.512199 0.98928 0.023345 1.735914 0.0152273 0.860709 23.94 13.6895.63 0.512199 0.98874 0.023345 1.73105 0.0152273 0.860832 22.86 13.1495.72 0.512145 0.98856 0.023336 1.729429 0.0152215 0.860873 22.14 12.9695.99 0.512226 0.98802 0.023349 1.724565 0.0152302 0.860995 23.04 12.4295.54 0.512226 0.98892 0.023349 1.732672 0.0152302 0.860791 23.4 13.3295.36 0.512253 0.98928 0.023353 1.735914 0.0152331 0.860709 23.58 13.68

Δt (°F)7.86457.67038.06218.02498.09008.12678.34718.3549

Tin (°C) Tout(°C)

Cp (Btu /lb °F)

Pada tuben OD BWG

2 1 14 0.546 3.662752 1 14 0.546 3.662752 1 14 0.546 3.662752 1 14 0.546 3.662752 1 14 0.546 3.662752 1 14 0.546 3.662752 1 14 0.546 3.662752 1 14 0.546 3.66275

Faktor pindah panas(JH) Pr

Tube Shell Tube tube shell tube104.89 0.92232 1.260868 1637.608 26.95427 1365.76524 L/D 283.238105.02 0.92233 1.259893 1638.385 26.65657 1366.41288105.14 0.92258 1.258917 1639.165 26.8314 1367.06323105.32 0.92258 1.257451 1640.340 26.90369 1368.04389105.38 0.92255 1.256962 1640.734 26.92098 1368.37216105.57 0.92259 1.255494 1641.920 26.84685 1369.36109105.26 0.92259 1.25794 1639.948 26.91914 1367.71632105.14 0.92261 1.258917 1639.165 26.81411 1367.06323

desain aktual25-Aug-15 0.0757451 0.07966226-Aug-15 0.0757451 0.08637127-Aug-15 0.0757451 0.09093728-Aug-15 0.0757451 0.09596629-Aug-15 0.0757451 0.09214530-Aug-15 0.0757451 0.0929031-Aug-15 0.0757451 0.093094

0.090153

a't (in²) Luas area(at) (ft²)

hi (BTU/hr ft °F)

ho ( (BTU/hr

ft °F))

hio ( (BTU/hr ft

°F))

25-Aug-15 26-Aug-15 27-Aug-15 28-Aug-15 29-Aug-15 30-Aug-15 31-Aug-150

0.02

0.04

0.06

0.08

0.1

0.12

kurva nilai Fouling Factor pada ammonia condenser UEA-404D

Column JColumn K

Tanggal

Foul

ing

Fact

or

25-Aug-15 26-Aug-15 27-Aug-15 28-Aug-15 29-Aug-15 30-Aug-15 31-Aug-150

0.02

0.04

0.06

0.08

0.1

0.12

kurva nilai Fouling Factor pada ammonia condenser UEA-404D

Column JColumn K

Tanggal

Foul

ing

Fact

or

Q (BTU /hr)NH3 (g) CW

689432 42475992.9264647709.4 41399033.433645410.5 40322846.2304620166.3 38710013.4717601820.1 38172788.6976621830.2 36562272.8112

635510 39247431.3186634440.7 40322846.2304

e 119.0215

25-Aug-15 26-Aug-15 27-Aug-15 28-Aug-15 29-Aug-15 30-Aug-15 31-Aug-150

0.02

0.04

0.06

0.08

0.1

0.12

kurva nilai Fouling Factor pada ammonia condenser UEA-404D

Column JColumn K

Tanggal

Foul

ing

Fact

or

25-Aug-15 26-Aug-15 27-Aug-15 28-Aug-15 29-Aug-15 30-Aug-15 31-Aug-150

0.02

0.04

0.06

0.08

0.1

0.12

kurva nilai Fouling Factor pada ammonia condenser UEA-404D

Column JColumn K

Tanggal

Foul

ing

Fact

or