(Pipe Sizing)
2
Material Steel Pipe Roughness 0.000046 m Pipe Length, L 30 m ross-Sect. Area, A 0.0718 Fluid Mogas Fluid Density 745 Pipe Diameter, D 302.38 mm Pipe Flow Rate, Q 0.138889 Fluid Viscosity 0.0013 Pipe Diameter, D 0.30238 m Velocity, V 2.200 m/s 0.00015 eynolds number, Re 381231.4 riction Factor, f 0.01540 TURBULENT FLOW 0.38 m Pressure Drop 280.84 Pressure Drop 0.28 Calculation of Head Loss, hL and Pressure Drop, DP m 2 kg/m 3 m 3 /s N-s/m 2 e/D Frictional Head Loss, hL N/m 2 KN/m 2
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Head Loss and Pressure DropCalculation of Head Loss, hL and Pressure Drop, DPMaterialSteelPipe Roughness0.000046mPipe Length, L30mCross-Sect. Area, A0.0718m2MaterialRoughnessFluidMogasFluid Density745kg/m3Pipe Diameter, D302.38mmPipe Flow Rate, Q0.138889m3/sPlastic0.0000003Steel0.000046Fluid Viscosity0.0013N-s/m2Pipe Diameter, D0.30238mVelocity, V2.200m/sGalvanized iron0.00015Concrete0.00012e/D0.00015Reynolds number, Re381231.4Friction Factor, f0.01540Water1000Mogas745TURBULENT FLOWGasoil845Frictional Head Loss, hL0.38mPressure Drop280.84N/m2Pressure Drop0.28KN/m2
Moddy ChartMoody Chart SolverJ. M. Cimbala, written August 2003; latest update 05 January 2012This worksheet enables a user to specify a Reynolds number and a roughness factor and the Darcy friction factor for pipe flow is calculated.Enter the Reynolds number:Re381231.4Enter the dimensionless roughness factor:e/D0.00015Result from Cole brook equation (Moody chart):f =0.01540laminarturbulentRecriticalRee/Dfffinal fdenomfguessG(f)G'(f)new fG(f)G'(f)new fG(f)G'(f)new fG(f)G'(f)new fG(f)G'(f)new fG(f)G'(f)new fG(f)G'(f)new f2300381231.40.000150.0001678770.01540265910.0154026591-8.10485447480.01522332630.0502070913-282.41024572440.0154011070.0004307998-277.58701393120.0154026590.0000000322-277.54551763640.01540265910-277.54551453460.01540265910-277.54551453460.01540265910-277.54551453460.01540265910-277.54551453460.0154026591
