Main Calc

Based on Coulson and Richardson's Chemical Engineering vol.61DutyHot fluidPhysical propertiesAll Physical Properties are taken from Perry's , Mc Cabe and Geankoplismh275000kg/jam76.3888888889kg/sethanolwater
Agus Heri Hoerudin: Agus Heri Hoerudin:diukur pada T rata-rata air masuk dan keluar HE = (Tci+Tco)/2 = 30,2Mash (11 %-v ethanol, 89%-v water)Thi35.4oCDensity , r????995.586978.97(kg/m3)(Directly)Tho32.8oCViscosity,m0.0017.98E-048.20E-04(Pa.s)coolant:Prandtl Number,Pr1.37E+015.76.06E+00mc24000kg/jam6.6666666667kg/sHeat Capasity, Cp2495.266666666742004012.4793333333J/kg.oCTci28.8oCThermal conductivity0.18200.590.54512Watt/m.KTco31.6oCQ796922.978703704J/s

2Log Mean Temperatur Diffenece

TLMTD3.8991451492

3Log Mean Temperatur Correction Factor

NTU0.7181061214Ft0.99872251874Corrected Log Mean Temperatur Difference

TM3.89416406415Estimation of U

U tebak2113.0145124051Tebak Euy !!!!2113.0145124051error0.01%2169.076686Surface Area RequiredA96.8499999882m27Number Of PlatePlate DimensionA efektif0.65m2Pass1biasanya 0,03-1,5 m2P efektif1.5mP/L3rasio L/P 2 sampai 3L efektif0.5mPlate spacing0.0015mbiasanya 1.5-5 mmK Stainless Steel16.3Watt/m.KPlate Thickness0.0004mbiasanya 0.5-3 mmPath length1.5mPort Diameter0.1mA port0.00785m2

No.of Plate148.9999999819149Channel per pass73.99999999174149PelatA Channel 0.00075m2Hidraulic Mean D0.003m2biasanya dua kali plate spacing8Film Heat Transfer CofficientMashChannel Velocity1.4059433653m/sChannel per pas73.9926345472tebakRe5035.8119662092No. of Plate148.9852690944Nu136.2176785762hp24751.6603151497Watt.m-2oC-1MashChannel Velocity1.4060833172m/sRe5.04E+03WaterChannel Velocity0.1206526811m/sNu136.2264921131Re4.52E+02hp24753.2617935573Watt.m-2oC-1Nu27.7336233787hp5454.2792644796Watt.m-2oC-1WaterChannel Velocity0.1206646912m/sRe4.52E+029Overall CoefficientNu27.7354177957hp5454.6321664813Watt.m-2oC-1Water8000Ligth Organic100001/U0.000473269

1/U 0.0004732835U2112.9631851156

U yang baru2112.8985587292error0.00000001530.0000015336persen

error0.00005487590.01%U*2113.224848322310Pressure DropMashJf4.65E-02Pp128025.831258395N/m2delta U0.0684676338v Port9.9401091436Ppt62873.1248906747P Total190898.956149069N/m21.9089895615Bar27.6875527344PsiWaterJf9.59E-02Pp23031.7945426953v Port0.8530221399Ppt470.8827099445P Total23502.6772526398N/m20.2350267725Bar3.4087751393psi

Physical Properties CalcPerhitungan Data FisikHeat Capacities of EthanolPrandtl Number of MashThermal Conductivity of EthanolEthanolWaterMashthermal divusivity ethanol160mWatt/m.K0.16Watt/m.KPr15.59541666675.76.08E+00Viscosity,m0.0017.98E-048.20E-04Pa.sCp2495.266666666742004.01E+03J/kg.Kk0.165.88E-015.41E-01Watt/m.KHeat Capacities EthanolCp2495.266666666742004.01E+03Using Regression method :Viscosity, m0.0017.98E-048.20E-04TCpk0.182
Agus Heri Hoerudin: Agus Heri Hoerudin:Geankoplis,823:pada T= 0.182 W/mk5.88E-015.43E-01230.577Pr13.71025641035.76.0574155844410.621300.5941111111Cal/gr.C2495.2666666667J/Kg.CViscosities of ethanolmiu1.05cP0.00105Pa.sxYK water pada T =30,2 C27475

Correction FactorCorrection Factory=mx+cc=mx1+y1xymc0.0631-0.02027748130.998722518710.98154.947368421155.928368421120.9562.93965517246.835310344840.9311.67188009127.618520364960.8690

First Trial

Based on Coulson and Richardson's Chemical Engineering vol.61DutyHot fluidPhysical propertiesAll Physical Properties are taken from Perry's , Mc Cabe and Geankoplismh275000kg/jam76.3888888889kg/sethanolwater
Agus Heri Hoerudin: Agus Heri Hoerudin:diukur pada T rata-rata air masuk dan keluar HE = (Tci+Tco)/2 = 30,2Mash (11 %-v ethanol, 89%-v water)Thi35.4oCDensity , r????995.586978.97(kg/m3)(Directly)Tho32.8oCViscosity,m0.0017.98E-048.20E-04(Pa.s)coolant:Prandtl Number,Pr1.37E+015.76.06E+00mc24000kg/jam6.6666666667kg/sHeat Capasity, Cp2495.266666666742004012.4793333333J/kg.oCTci28.8oCThermal conductivity0.18200.590.54512Watt/m.KTco31.6oCQ796922.978703704J/s

2Log Mean Temperatur Diffenece

TLMTD3.8991451492

3Log Mean Temperatur Correction Factor

NTU0.7181061214Ft0.99872251874Corrected Log Mean Temperatur Difference

TM3.89416406415Estimation of U

U tebak2000Tebak Euy !!!!2000error U17.26%1.5error A47.55%6Surface Area Requirederror N28.08%A102.3227277508m27Number Of PlatePlate DimensionA efektif0.55m2Pass1biasanya 0,03-1,5 m2P efektif1mP/L3rasio L/P 2 sampai 3L efektif0.3333333333mTitanium21Plate spacing0.0015mbiasanya 1.5-5 mmStainless16.3K logam205Watt/m.KAluminium11817 CPlate Thickness0.0004mbiasanya 0.5-3 mmPath length1mPort Diameter0.1mA port0.00785m2

No.of Plate186.0413231833187Channel per pass92.520661591693187PelatA Channel 0.0005m2Hidraulic Mean D0.003m2biasanya dua kali plate spacing8Film Heat Transfer CofficientMashChannel Velocity1.6780614361m/sChannel per pas73.9926345472tebakRe6.01E+03No. of Plate148.9852690944Nu152.8197533528hp27768.3679825585Watt.m-2oC-1MashChannel Velocity2.1091249759m/sRe7.55E+03WaterChannel Velocity0.1440048129m/sNu177.3049628556Re5.39E+02hp32217.4937839493Watt.m-2oC-1Nu31.1137697296hp6119.0413801456Watt.m-2oC-1WaterChannel Velocity0.1809970368m/sRe6.78E+029Overall CoefficientNu36.0989051819hp7099.4513524307Watt.m-2oC-1Water8000Ligth Organic100001/U0.0003988462

1/U 0.0004263877U2507.2320352646

U yang baru2345.2833579222m2error0.00000678670.0006786735persen

U*2513.763716324310Pressure DropMashJf4.41E-02Pp96603.8347725333N/m2delta U42.6628574664v Port9.9401091436Ppt62873.1248906747P Total159476.959663208N/m21.5947695966BarWaterJf9.09E-02Pp17378.990260386v Port0.8530221399Ppt470.8827099445P Total17849.8729703306N/m20.1784987297Bar

Result

Based on Coulson and Richardson's Chemical Engineering vol.61DutyHot fluidPhysical propertiesAll Physical Properties are taken from Perry's , Mc Cabe and Geankoplismh275000kg/jam76.3888888889kg/sethanolwater
Agus Heri Hoerudin: Agus Heri Hoerudin:diukur pada T rata-rata air masuk dan keluar HE = (Tci+Tco)/2 = 30,2Mash (11 %-v ethanol, 89%-v water)Thi35.4oCDensity , r????995.586978.97(kg/m3)(Directly)Tho32.8oCViscosity,m0.0017.98E-048.20E-04(Pa.s)coolant:Prandtl Number,Pr1.37E+015.76.06E+00mc24000kg/jam6.6666666667kg/sHeat Capasity, Cp2495.266666666742004012.4793333333J/kg.oCTci28.8oCThermal conductivity0.18200.590.54512Watt/m.KTco31.6oCQ796922.978703704J/s

2Log Mean Temperatur Diffenece

TLMTD3.8991451492

3Log Mean Temperatur Correction Factor

NTU0.7181061214Ft0.99872251874Corrected Log Mean Temperatur Difference

TM3.89416406415Estimation of U

U tebak2797.612646742Tebak Euy !!!!2797.612646742error U7.90%error A5.48%6Surface Area Requirederror N8.22%A73.1500323105m27Number Of PlatePlate DimensionA efektif0.55m2Pass1biasanya 0,03-1,5 m2P efektif1mP/L3rasio L/P 2 sampai 3L efektif0.3333333333mTitanium21Plate spacing0.0015mbiasanya 1.5-5 mmStainless16.3100 CK logam205Watt/m.KAluminium20517 CPlate Thickness0.0004mbiasanya 0.5-3 mmPath length1mPort Diameter0.1mA port0.00785m2

No.of Plate133.0000587465134Channel per pass66.000029373267135PelatA Channel 0.0005m2Hidraulic Mean D0.003mbiasanya dua kali plate spacing8Film Heat Transfer CofficientMashChannel Velocity2.329249456m/sChannel per pas73.9926345472tebakRe8.34E+03No. of Plate148.9852690944Nu189.1231919894hp34364.9448057449Watt.m-2oC-1MashChannel Velocity2.1091249759m/sRe7.55E+03WaterChannel Velocity0.1998872776m/sNu177.3049628556Re7.48E+02hp32217.4937839493Watt.m-2oC-1Nu38.5050709543hp7572.6639543545Watt.m-2oC-1WaterChannel Velocity0.1809970368m/sRe6.78E+029Overall CoefficientNu36.0989051819hp7099.4513524307Watt.m-2oC-1Water8000Ligth Organic100001/U0.0003988462

1/U 0.0003881046U2507.2320352646

U yang baru2576.6251878519m2error0.0001074850.0107484966persen

U*2533.225752519210Pressure DropMashJf4.00E-02Pp121529.040356688N/m2delta U675.6733367169v Port9.9401091436Ppt62873.1248906747P Total184402.165247363N/m21.8440216525BarWaterJf8.24E-02Pp21863.024523675v Port0.8530221399Ppt470.8827099445P Total22333.9072336196N/m20.2233390723Bar