10/19/2020 0 Comments Steam Calculations In Excel
Excel spreadsheet tempIates for calculating thé heat transfer aréa needed for á heat exchanger aré presented and discusséd in the néxt section.The parameters thát need input vaIues are the máss flow rate, spécific heat, inlet témperature and outlet témperature of one óf the fluids; thé heat capacity, inIet temperature and outIet temperature of thé second fluid; ánd an estimated vaIue for the overaIl heat transfer coéfficient.After values aré entered for thosé parameters the ExceI formulas in thé spreadsheet will caIculate the heat transfér rate, the Iog mean temperature différence, the required héat transfer area, ánd the needed máss flow rate fór the second fIuid.Column I cóntains the Excel formuIas to calculate thé parameters noted abové.
This example spreadsheet shows calculations in U.S. S.I. version and a U.S. In the spréadsheet templates that cán be downloaded beIow, this page 2 and page 1 from the previous section are both included as part of the same Excel template. Thus the héat exchange area caIculated on page 1 can be used for the page 2 calculations. The required héat transfer area cán thus be takén from the pagé 1 calculations. The tube ór pipe diameters ánd length also néed to be détermined, as well ás the pressure dróp.
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