LaggedAmbient Air InletSurface TemperatureAir OutletFluid Velocity0123456712Trial 130.546.535.534.734.333.633.4452Trial 230.56740.136.235.635.334.163.82.133333ERROR:#DIV/0!2.0666665

BareTrial #T0T123456TBare Pipe,D=5.5 cmTrial 1304640.536.936.135.635.240Fluid VelocityTrial 2306543.440.538.637.836.852.512d4690111t304560t = 45 sec, d = 90 mv21.85t = 1 min, d = 111 mvave1.53333333331.925

FinnedFluid VT1Temperature Readings 601151.9166666667TrialAmbient TAir inlet TSurface inlet TSurface T(pt. 1)Surface T(pt. 2)Surface T(pt. 3)Surface T(pt.4 )Air outlet T601141.9234561.90833333331Fin Temp.30.544.739.435.935.735.535.139Pipe Temp.4137.13635.835.3T21601612.68333333332Fin Temp.30.562.54442.739.939.53950.5Pipe Temp.4846.342.440.840.12451212.6888888889

Temp DataLaggedTrialAmbient Air InletSurface TemperatureAir Outlet01234567130.546.535.534.734.333.633.445230.56740.136.235.635.334.163.8BareTrialAmbient Air InletSurface TemperatureAir Outlet012345671304640.536.936.135.635.2402306543.440.538.637.836.852.5FinnedTrialSurfaceAmbient Air InletSurface TemperatureAir Outlet012345671Fin30.544.739.435.935.735.535.139Pipe4137.13635.835.32Fin30.562.54442.739.939.53950.5Pipe4846.342.440.840.1

Calculations

Thermal ConductivityPrandtl Number,PipeTrialAir Inlet TAir Outlet TAverage TDensityViscosityHeat Capacity (J/kg-K)(W/m-K)Bare146.54043.251.11590.0000192981007.10.0273130.7115526752.559.751.06050.0000200510080.0284990.70917Lagged1464545.51.1080.0000194021007.20.0274760.7112126563.864.41.04580.0000202581008.30.0288290.70856Finned144.73941.851.12090.00001923310070.0272110.71177262.550.556.51.07090.0000199031007.80.0282670.70961PipeTrialDensityViscosityPipe IDAverage VelocityReynolds NumberFlow RegimeVolumetric Flow RateMass Flow RateBare11.11590.0000192980.0551.534866Turbulent0.0036350.00405621.06050.000020050.0551.935615Turbulent0.0045850.004863Lagged11.1080.0000194020.040641.633783Transient0.0021140.00234321.04580.0000202580.040642.074343Turbulent0.0026850.002808Finned11.12090.0000192330.0551.916122Turbulent0.0045380.00508621.07090.0000199030.0552.697961Turbulent0.0063910.006844PipeTrialMass Flow RateHeat Capacity (J/kg-K)Delta TqBare10.0040561007.16.526.5520.0048631008.014.571.07Lagged10.0023431007.21.02.3620.0028081008.31.23.40Finned10.0050861007.05.729.2020.0068441007.812.082.77PipeTrialT2T6Delta TAUBare140.535.25.30.172787595928.9954257197243.436.86.60.172787595962.32399425Lagged135.533.42.10.12767432548.8007056372240.133.46.70.12767432543.9719969051Finned14135.35.70.172787595929.643699703824840.17.90.172787595960.6362598642PipeTrialPipe IDkNPrReynolds NumberhBare10.0550.0273130.711554865.94388019489.0820.0550.0284990.709175614.567331670810.61Lagged10.040640.0274760.711213782.984517060110.1120.040640.0288290.708564342.862861091911.83Finned10.0550.0272110.711776122.318151094510.8720.0550.0282670.709617960.591619353913.92