Calculation of Two-Phase Pressure Drop” Harburda, S. and S. Chafin, Chemical Processing 2000 Fluid Flow Annual.

Chemical Processing 2000 Fluid Flow Annual Desktop Reference
TwoPhase Flow Calculation Spreadsheet

Errors discoverd to date in the article “Calculation of Two-Phase Pressure Drop”:
1. Eqn 42 should read (1-xg)^2 + xg^2…, not (1-xg)^2 x xg^2
2. Eqn 45 is missing gc in the denominator (i.e. gc x pliquid x d)
Download article with corrections above.
v1.06 – May 14, 2004
Excel: CP2000-v1.07.xls (

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