Buch, Englisch, 176 Seiten, Previously published in hardcover, Format (B × H): 155 mm x 235 mm, Gewicht: 295 g
Buch, Englisch, 176 Seiten, Previously published in hardcover, Format (B × H): 155 mm x 235 mm, Gewicht: 295 g
ISBN: 978-3-642-42886-9
Verlag: Springer
areconcerned, itshowsthevaluesoffactor ? whichisrequired forthistypeofcomputation. Thevaluesofthecorrectivefactorsforcoilsandtube banksarealsopresented. Milano,Italy DonatelloAnnaratone v Notation c=speci?cheat(J/kgK) d=diameter(m) E=ef?ciencyfactor h=enthalpy(kJ/kg) k=thermalconductivity(W/mK) M=mass?owrate(kg/s) m=massmoisturepercentage(%) q=heatpertimeunit(W) 2 S=surface(m ) ? t=temperature( C) 2 U=overallheattransfercoef?cient(W/m K) x=thickness(m) 2 ? =heattransfercoef?cient(W/m K) ? =characteristicfactor ? =characteristicfactor ? =ef?ciency ? =correctivefactor ? =correctivefactor ? =characteristicfactor ? ?t=temperaturedifference( C) vii viii Notation Superscripts =heating?uid =heated?uid Subscripts c=counter?ow e=exchanger i=inside l=logarithmic m=mean o=outside p=constantpressure(isobaric),parallel?ow w=wall 1=inlet(forheatingorheated?uid) 2=outlet(forheatingorheated?uid) Contents 1 Introduction to Computation. 1 1. 1 GeneralConsiderations. 1 1. 2 MeanIsobaricSpeci?cHeat. 3 1. 2. 1 WaterandSuperheatedSteam. 4 1. 2. 2 AirandOtherGases. 4 2 Design Computation. 7 2. 1 Introduction. 7 2. 2 FluidsinParallelFloworinCounterFlow. 8 2. 3 TheMeanDifferenceinTemperatureinReality. 12 2. 3. 1 FluidsinCrossFlow. 14 2. 3. 2 HeatExchangers. 15 2. 3. 3 Coils. 19 2. 3. 4 TubeBankswithVariousPassagesoftheExternalFluid. 21 3 Veri?cation Computation. 25 3. 1 Introduction. 25 3. 2 FluidsinParallelFloworinCounterFlow. 25 3. 3 Factor?inRealCases. 33 3. 3. 1 FluidswithCrossFlow.
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Introduction to Computation.- Design Computation.- Verification Computation.- Apendix A – Corrective Factors for Design Computation.- Appendix B – Factor ? or Corrective Factors for Verification Computation.
