SHELL & TUBE HEAT EXCHANGER DESIGN - DEMO VERSION V3.0==================================================================SUMMARY OF RESULTS==================================================================PROJECT DETAILS==================================================================Company Company nameProject NameSoftware DemonestrationEngineerEngineerProject NumberPXXXXXXDatemircoles, 17 de junio de 2015Item TagHEXXX-XXDescription Demo Design Example - SI UnitsRevisionXXRemarksSI-Units==================================================================SUMMARY OF PROPOSED DESIGN==================================================================SHELL SIDE DATA==================================================================Fluid NamePetroleum OilStateLiquidTemperature From45 'CTo 3 'CAverage Temperature24.000 'CFlow rate59.27 kg/hPhysical PropertiesSpecific Heat Capacity2470 J/kg'K Thermal Conductivity0.132 W/m'KViscosity0.0004 kg/m sPrandtl Number7.485Fouling Factor0.0002 m2'K/W==================================================================TUBE SIDE DATA==================================================================Fluid NameKeroseneStateLiquidTemperature From 35 'CTo 50 'CAverage Temperature42.500 'CTube Wall Temperature33.250 'CFlow rate200 kg/hPhysical PropertiesSpecific Heat Capacity2050 J/kg'K Thermal Conductivity0.134 W/m'KViscosity0.0032 kg/m sPrandtl Number48.955Fouling Factor0.0004 m2'K/W==================================================================EXCHANGER DATA==================================================================Exchanger Type U-tubeNumber of Shell passes 1Number of Tube passes 6Tube External Diameter 19.05 mmTube Internal Diameter 14.224 mmTube Hole Diameter19.447 mmBWG 13Tube Length 5 mTube Thickness 2.413 mmTube Pitch 25.4 mmTube Arrangement SquareShell Internal Diameter340.870 mmShell Thickness33.638 mmShell External Diameter374.508 mmBundle Diameter326.450 mmBundle to Shell Clearance14.420 mmNumber of Tubes 400 TubesNumber of Tubes per Pass67.000 TubesTube Cross Sectional Area1.59E-04 m2Area per pass1.06E-02 m2Area for Cross Flow5.81E-03 m2==================================================================BAFFLES==================================================================Baffle Cut25Baffle Type Segmental and StripNumber of Baffles72Baffle Spacing 68.174 mmBaffle Diameter337.695 mmMinimum Thickness1.588 mm==================================================================TIE RODS==================================================================Number of Tie Rods 4Tie Rod Diameter 9.525 mm==================================================================THERMAL CALCULATIONS==================================================================LMTD14.545 'CTrue Temperature Difference14.545 'CHeat Transfer Area 119.695 m2Amended Duty1.879 kWTube side Volumetric flow6.78E-05 m3/sShell side Volumetric flow2.26E-05 m3/sTube side Velocity6.36E-03 m/sShell side Velocity3.88E-03 m/sTube side Heat Transfer Coefficient: 5000 W/m2'KShell side Heat Transfer Coefficient 5000 W/m2'K==================================================================Material of Construction AluminiumDesign Overall Coefficient 821.459 W/m2'KAssumed Overall Coefficient 1150 W/m2'KClean Overall Coefficient 2,500.000 W/m2'KEffectiveness 1.00E+00Number of Transfer Units 2,412.868Thermal Capacity Ratio3.58E-01Scale Resistance0.000817Over Design76,011.016 %Over Surface231,533.731 %Tube side pressure drop12,634.415 PaTube side pressure drop (Maximum)65000 PaShell side pressure drop722.217 PaShell side pressure drop (Maximum)60000 Pa==================================================================MECHANICAL==================================================================Shell sideMaterial of ConstructionCarbon SteelPermissible Stress85 N/mm2Corrosion allowance3 mmWorking pressure10 N/mm2Design pressure11 N/mm2Working Temperature215 'CDesign Temperature220 'C==================================================================HeadHead Thickness76.919 mmCrown Radius500 mmKnuckle Radius30 mmNozzles Diameter (Inlet/Outlet)100 mmNozzles Thickness10 mm==================================================================Tube sideMaterial of ConstructionAluminiumPermissible Stress85 N/mm2Corrosion allowance3 mmWorking pressure10 N/mm2Design pressure11 N/mm2Working Temperature68 'CDesign Temperature73 'CMean Diameter of Gasket100 mmChannel & Channel CoverChannel Thickness3.235 mmMaterial of ConstructionCarbon SteelCorrosion allowance3 mmPermissible Stress85 N/mm2Nozzles Diameter (Inlet/Outlet)100 mmNozzles Thickness10 mmTube Sheet Thickness0 mm